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Электронный компонент: UPD44321181

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MOS INTEGRATED CIRCUIT
PD44321181, 44321361
32M-BIT ZEROSB
TM
SRAM
FLOW THROUGH OPERATION
Document No. M15958EJ5V0DS00 (5th edition)
Date Published April 2005 NS CP(K)
Printed in Japan
DATA SHEET
The mark shows major revised points.
2002, 2005
Description
The
PD44321181 is a 2,097,152-word by 18-bit and the
PD44321361 is a 1,048,576-word by 36-bit ZEROSB
static RAM fabricated with advanced CMOS technology using full CMOS six-transistor memory cell.
The
PD44321181 and
PD44321361 are optimized to eliminate dead cycles for read to write, or write to read
transitions. These ZEROSB static RAMs integrate unique synchronous peripheral circuitry, 2-bit burst counter and
output buffer as well as SRAM core. All input registers are controlled by a positive edge of the single clock input
(CLK).
The
PD44321181 and
PD44321361 are suitable for applications which require synchronous operation, high
speed, low voltage, high density and wide bit configuration, such as buffer memory.
ZZ has to be set LOW at the normal operation. When ZZ is set HIGH, the SRAM enters Power Down State
("Sleep"). In the "Sleep" state, the SRAM internal state is preserved. When ZZ is set LOW again, the SRAM resumes
normal operation.
The
PD44321181 and
PD44321361 are packaged in 100-pin PLASTIC LQFP with a 1.4 mm package thickness
for high density and low capacitive loading.
Features
Low voltage core supply: V
DD
= 3.3 0.165 V / 2.5 0.125 V
Synchronous operation
100 percent bus utilization
Internally self-timed write control
Burst read / write : Interleaved burst and linear burst sequence
Fully registered inputs and outputs for flow through operation
All registers triggered off positive clock edge
3.3V or 2.5V LVTTL Compatible : All inputs and outputs
Fast clock access time : 7.5 ns (117 MHz)
Asynchronous output enable : /G
Burst sequence selectable : MODE
Sleep mode : ZZ (ZZ = Open or Low : Normal operation)
Separate byte write enable : /BW1 to /BW4 (
PD44321361)
/BW1 and /BW2 (
PD44321181)
Three chip enables for easy depth expansion
Common I/O using three state outputs
2
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Ordering Information
Part number
Access
Time
ns
Clock
Frequency
MHz
Core Supply
Voltage
V
I/O Interface
Package
PD44321181GF-A75
7.5
117
3.3 0.165
3.3 V or 2.5 V LVTTL 100-pin PLASTIC LQFP
2.5 0.125
2.5 V LVTTL
(14 x 20)
PD44321361GF-A75
7.5
117
3.3 0.165
3.3 V or 2.5 V LVTTL
2.5 0.125
2.5 V LVTTL
3
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Pin Configurations
/
indicates active low signal.
100-pin PLASTIC LQFP (14
20)
[
PD44321181GF]
Marking Side
NC
NC
NC
V
DD
Q
V
SS
Q
NC
NC
I/O9
I/O10
V
SS
Q
V
DD
Q
I/O11
I/O12
V
SS
V
DD
V
DD
V
SS
I/O13
I/O14
V
DD
Q
V
SS
Q
I/O15
I/O16
I/OP2
NC
V
SS
Q
V
DD
Q
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
A20
NC
NC
V
DD
Q
V
SS
Q
NC
I/OP1
I/O8
I/O7
V
SS
Q
V
DD
Q
I/O6
I/O5
V
SS
V
SS
V
DD
ZZ
I/O4
I/O3
V
DD
Q
V
SS
Q
I/O2
I/O1
NC
NC
V
SS
Q
V
DD
Q
NC
NC
NC
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A6
A7
/CE
CE2
NC
NC
/BW2
/BW1
/CE2
V
DD
V
SS
CLK
/WE
/CKE
/G
ADV
A18
A17
A8
A9
MODE
A5
A4
A3
A2
A1
A0
NC
NC
V
SS
V
DD
NC
A19
A10
A11
A12
A13
A14
A15
A16
Remark Refer to Package Drawing for the 1-pin index mark.
4
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Pin Identifications
[
PD44321181GF]
Symbol Pin
No.
Description
A0 to A20
37, 36, 35, 34, 33, 32, 100, 99, 82, 81,
Synchronous Address Input
44, 45, 46, 47, 48, 49, 50, 83, 84, 43, 80
I/O1 to I/O16
58, 59, 62, 63, 68, 69, 72, 73, 8, 9, 12, 13, Synchronous Data In,
18, 19, 22, 23
Synchronous / Asynchronous Data Out
I/OP1, I/OP2
74, 24
Synchronous Data In (Parity),
Synchronous / Asynchronous Data Out (Parity)
ADV
85
Synchronous Address Load / Advance Input
/CE, CE2, /CE2
98, 97, 92
Synchronous Chip Enable Input
/WE
88
Synchronous Write Enable Input
/BW1, /BW2
93, 94
Synchronous Byte Write Enable Input
/G
86
Asynchronous Output Enable Input
CLK 89
Clock
Input
/CKE
87
Synchronous Clock Enable Input
MODE
31
Asynchronous Burst Sequence Select Input
Have to tied to V
DD
or V
SS
during normal operation
ZZ
64
Asynchronous Power Down State Input
V
DD
15, 16, 41, 65, 91
Power Supply
V
SS
14, 17, 40, 66, 67, 90
Ground
V
DD
Q
4, 11, 20, 27, 54, 61, 70, 77
Output Buffer Power Supply
V
SS
Q
5, 10, 21, 26, 55, 60, 71, 76
Output Buffer Ground
NC
1, 2, 3, 6, 7, 25, 28, 29, 30, 38, 39, 42,
No Connection
51, 52, 53, 56, 57, 75, 78, 79, 95, 96
5
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
100-pin PLASTIC LQFP (14
20)
[
PD44321361GF]
Marking Side
I/OP3
I/O17
I/O18
V
DD
Q
V
SS
Q
I/O19
I/O20
I/O21
I/O22
V
SS
Q
V
DD
Q
I/O23
I/O24
V
SS
V
DD
V
DD
V
SS
I/O25
I/O26
V
DD
Q
V
SS
Q
I/O27
I/O28
I/O29
I/O30
V
SS
Q
V
DD
Q
I/O31
I/O32
I/OP4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
I/OP2
I/O16
I/O15
V
DD
Q
V
SS
Q
I/O14
I/O13
I/O12
I/O11
V
SS
Q
V
DD
Q
I/O10
I/O9
V
SS
V
SS
V
DD
ZZ
I/O8
I/O7
V
DD
Q
V
SS
Q
I/O6
I/O5
I/O4
I/O3
V
SS
Q
V
DD
Q
I/O2
I/O1
I/OP1
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A6
A7
/CE
CE2
/BW4
/BW3
/BW2
/BW1
/CE2
V
DD
V
SS
CLK
/WE
/CKE
/G
ADV
A18
A17
A8
A9
MODE
A5
A4
A3
A2
A1
A0
NC
NC
V
SS
V
DD
NC
A19
A10
A11
A12
A13
A14
A15
A16

Remark Refer to Package Drawing for the 1-pin index mark.
6
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Pin Identifications
[
PD44321361GF]
Symbol Pin
No.
Description
A0 to A19
37, 36, 35, 34, 33, 32, 100, 99, 82, 81, 44, Synchronous Address Input
45, 46, 47, 48, 49, 50, 83, 84, 43
I/O1 to I/O32
52, 53, 56, 57, 58, 59, 62, 63, 68, 69, 72, Synchronous Data In,
73, 74, 75, 78, 79, 2, 3, 6, 7, 8, 9, 12, 13,
Synchronous / Asynchronous Data Out
18, 19, 22, 23, 24, 25, 28, 29
I/OP1 to I/OP4
51, 80, 1, 30
Synchronous Data In (Parity),
Synchronous / Asynchronous Data Out (Parity)
ADV
85
Synchronous Address Load / Advance Input
/CE, CE2, /CE2
98, 97, 92
Synchronous Chip Enable Input
/WE
88
Synchronous Write Enable Input
/BW1 to /BW4
93, 94, 95, 96
Synchronous Byte Write Enable Input
/G
86
Asynchronous Output Enable Input
CLK 89
Clock
Input
/CKE
87
Synchronous Clock Enable Input
MODE
31
Asynchronous Burst Sequence Select Input
Have to tied to V
DD
or V
SS
during normal operation
ZZ
64
Asynchronous Power Down State Input
V
DD
15, 16, 41, 65, 91
Power Supply
V
SS
14, 17, 40, 66, 67, 90
Ground
V
DD
Q
4, 11, 20, 27, 54, 61, 70, 77
Output Buffer Power Supply
V
SS
Q
5, 10, 21, 26, 55, 60, 71, 76
Output Buffer Ground
NC
38, 39, 42
No Connection
7
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Block Diagrams
[
PD44321181]
A0 to A20
MODE
CLK
/CKE
ADV
/BW1
/BW2
/WE
/G
/CE
CE2
/CE2
Address
register 0
Burst
logic
Write address
register
Write registry and
data coherency
control logic
Write
drivers
Data steering
ADV
K
Memory Cell Array
2,048 x 18 columns
(37,748,736 bits)
A1
A0
A1'
A0'
Sense amplifiers
Read
logic
Input
register E
Output buffers
E
I/O1 to I/O16
I/OP1, I/OP2
21
19
21
21
21
18
18
18
18
ZZ
Power down control
K
1,024 rows
Burst Sequence
[
PD44321181]
Interleaved Burst Sequence Table (MODE = V
DD
)
External Address
A20 to A2, A1, A0
1st Burst Address
A20 to A2, A1, /A0
2nd Burst Address
A20 to A2, /A1, A0
3rd Burst Address
A20 to A2, /A1, /A0
Linear Burst Sequence Table (MODE = V
SS
)
External Address
A20 to A2, 0, 0
A20 to A2, 0, 1
A20 to A2, 1, 0
A20 to A2, 1, 1
1st Burst Address
A20 to A2, 0, 1
A20 to A2, 1, 0
A20 to A2, 1, 1
A20 to A2, 0, 0
2nd Burst Address
A20 to A2, 1, 0
A20 to A2, 1, 1
A20 to A2, 0, 0
A20 to A2, 0, 1
3rd Burst Address
A20 to A2, 1, 1
A20 to A2, 0, 0
A20 to A2, 0, 1
A20 to A2, 1, 0
8
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
[
PD44321361]
A0 to A19
MODE
CLK
/CKE
ADV
/BW1
/BW2
/WE
/G
/CE
CE2
/CE2
Address
register 0
Burst
logic
Write address
register
Write registry and
data coherency
control logic
Write
drivers
Data steering
ADV
K
A1
A0
A1'
A0'
Sense amplifiers
Read
logic
Input
register E
Output buffers
E
I/O1 to I/O32
I/OP1 to I/OP4
20
18
20
20
20
36
36
36
36
/BW3
/BW4
ZZ
Power down control
K
Memory Cell Array
1,024 x 36 columns
(37,748,736 bits)
1,024 rows
Burst Sequence
[
PD44321361]
Interleaved Burst Sequence Table (MODE = V
DD
)
External Address
A19 to A2, A1, A0
1st Burst Address
A19 to A2, A1, /A0
2nd Burst Address
A19 to A2, /A1, A0
3rd Burst Address
A19 to A2, /A1, /A0
Linear Burst Sequence Table (MODE = V
SS
)
External Address
A19 to A2, 0, 0
A19 to A2, 0, 1
A19 to A2, 1, 0
A19 to A2, 1, 1
1st Burst Address
A19 to A2, 0, 1
A19 to A2, 1, 0
A19 to A2, 1, 1
A19 to A2, 0, 0
2nd Burst Address
A19 to A2, 1, 0
A19 to A2, 1, 1
A19 to A2, 0, 0
A19 to A2, 0, 1
3rd Burst Address
A19 to A2, 1, 1
A19 to A2, 0, 0
A19 to A2, 0, 1
A19 to A2, 1, 0
9
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
State Diagram
DESELECT
BEGIN
READ
BURST
READ
BEGIN
WRITE
BURST
WRITE
WRITE
READ
READ
DS
DS
WRITE
READ
BURST
BURST
WRITE
READ
WRITE
READ
BURST
WRITE
BURST
DS
BURST
DS
DS
Command Operation
DS Deselect
Read New
Read
Write New
Write
Burst
Burst Read, Burst Write or Continue Deselect
Remarks 1. States change on the rising edge of the clock.
2. A Stall or Ignore Clock Edge cycle is not shown in the above diagram. This is because /CKE HIGH
only blocks the clock (CLK) input and does not change the state of the device.
10
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Asynchronous Truth Table
Operation /G
I/O
Read Cycle
L
Data-Out
Read Cycle
H
High-Z
Write Cycle
High-Z,
Data-In
Deselected
High-Z
Remark
: don't care
Synchronous Truth Table
Operation
/CE CE2 /CE2 ADV /WE /BWs
/CKE CLK
I/O
Address Note
Deselected H
L
L L
H
High-Z
None
1
Deselected
L L
L L
H
High-Z
None
1
Deselected
H L
L L
H
High-Z
None
1
Continue Deselected
H
L L
H
High-Z
None
1
Read Cycle / Begin Burst
L
H
L
L
H
L L
H
Data-Out
External
Read Cycle / Continue Burst
H
L L
H
Data-Out
Next
Write Cycle / Begin Burst
L
H
L
L
L
L
L
L
H
Data-In
External
Write Cycle / Continue Burst
H L L L
H
Data-In
Next
Write Cycle / Write Abort
L
H
L
L
L
H
L
L
H
High-Z
External
Write Cycle / Write Abort
H H L L
H
High-Z
Next
Stall / Ignore Clock Edge
H L
H
- Current 2
Notes 1.
Deselect status is held until new "Begin Burst" entry.
2. If an Ignore Clock Edge command occurs during a read operation, the I/O bus will remain active (Low
impedance). If it occurs during a write cycle, the bus will remain High impedance. No write operation will
be performed during the Ignore Clock Edge cycle.
Remarks 1.
: don't care
2.
/BWs = L means any one or more byte write enables (/BW1, /BW2, /BW3 or /BW4) are LOW.
/BWs = H means all byte write enables (/BW1, /BW2, /BW3 or /BW4) are HIGH.
11
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Partial Truth Table for Write Enables
[
PD44321181]
Operation /WE
/BW1
/BW2
Read Cycle
H
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
L
L
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
L
H
L
Write Cycle / All Bytes
L
L
L
Write Abort / NOP
L
H
H
Remark
: don't care
[
PD44321361]
Operation
/WE /BW1 /BW2 /BW3 /BW4
Read Cycle
H
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
L
L
H
H
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
L
H
L
H
H
Write Cycle / Byte 3 (I/O [17:24], I/OP3)
L
H
H
L
H
Write Cycle / Byte 4 (I/O [25:32], I/OP4)
L
H
H
H
L
Write Cycle / All Bytes
L
L
L
L
L
Write Abort / NOP
L
H
H
H
H
Remark
: don't care
ZZ (Sleep) Truth Table
ZZ Chip
Status
0.2 V
Active
Open Active
V
DD
- 0.2 V
Sleep
12
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Electrical Specifications
Absolute Maximum Ratings
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Supply voltage
V
DD
0.5
+4.0
V
Output supply voltage
V
DD
Q
0.5
V
DD
V
Input voltage
V
IN
0.5
Note
V
DD
+ 0.5
V
Input / Output voltage
V
I/O
0.5
Note
V
DD
Q
+ 0.5
V
Operating ambient
T
A
0
70
C
temperature
Storage temperature
T
stg
55
+125
C
Note 2.0 V (MIN.) (Pulse width : 2 ns)

Caution
Exposing the device to stress above those listed in Absolute Maximum Ratings could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.

Recommended DC Operating Conditions (V
DD
= 3.3 0.165 V)
(1/2)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Supply voltage
V
DD
3.135
3.3
3.465
V
2.5 V LVTTL Interface
Output supply voltage
V
DD
Q 2.375
2.5
2.9
V
High level input voltage
V
IH
2.0
V
DD
Q
+ 0.3
V
Low level input voltage
V
IL
0.3
Note
+0.7 V
3.3 V LVTTL Interface
Output supply voltage
V
DD
Q 3.135
3.3
3.465
V
High level input voltage
V
IH
2.0
V
DD
Q
+ 0.3
V
Low level input voltage
V
IL
0.3
Note
+0.8 V
Note 0.8 V (MIN.) (Pulse width : 2 ns)
Recommended DC Operating Conditions (V
DD
= 2.5 0.125 V)
(2/2)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Supply voltage
V
DD
2.375 2.5 2.625 V
Output supply voltage
V
DD
Q
2.375 2.5 2.625 V
High level input voltage
V
IH
1.7
V
DD
Q
+ 0.3
V
Low level input voltage
V
IL
0.3
Note
+0.7 V
Note 0.8 V (MIN.) (Pulse width : 2 ns)
13
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
DC Characteristics (V
DD
= 3.3 0.165 V or 2.5 0.125 V)
Parameter Symbol
Test
condition
MIN.
TYP.
MAX.
Unit
Input leakage current
I
LI
V
IN
(except ZZ, MODE) = 0 V to V
DD
2 +2
A
I/O leakage current
I
LO
V
I/O
= 0 V to V
DD
Q, Outputs are disabled.
2
+2
A
Operating supply current
I
DD
Device selected, Cycle = MAX.
290
mA
V
IN
V
IL
or V
IN
V
IH
, I
I/O
= 0 mA
Standby supply current
I
SB
Device deselected, Cycle = 0 MHz,
70
mA
V
IN
V
IL
or V
IN
V
IH
, All inputs are static.
I
SB1
Device deselected, Cycle = 0 MHz,
60
V
IN
0.2 V or V
IN
V
DD
0.2 V,
V
I/O
0.2 V, All inputs are static.
I
SB2
Device deselected, Cycle = MAX.
110
V
IN
V
IL
or V
IN
V
IH
Power down supply current
I
SBZZ
ZZ
V
DD
0.2 V, V
I/O
V
DD
Q + 0.2 V
60
mA
2.5 V LVTTL Interface
High level output voltage
V
OH
I
OH
= 2.0 mA
1.7
V
I
OH
= 1.0 mA
2.1
Low level output voltage
V
OL
I
OL
= +2.0 mA
0.7
V
I
OL
= +1.0 mA
0.4
3.3 V LVTTL Interface
High level output voltage
V
OH
I
OH
= 4.0 mA
2.4
V
Low level output voltage
V
OL
I
OL
= +8.0 mA
0.4
V
Capacitance (T
A
= 25
C, f = 1MHz)
Parameter Symbol
Test
condition
MIN.
TYP.
MAX.
Unit
Input capacitance
C
IN
V
IN
= 0 V
6.0
pF
Input / Output capacitance
C
I/O
V
I/O
= 0 V
8.0
pF
Clock input capacitance
C
clk
V
clk
= 0 V
6.0
pF
Remark These parameters are periodically sampled and not 100
% tested.
14
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
AC Characteristics (V
DD
= 3.3 0.165 V or 2.5 0.125 V)

AC Test Conditions
2.5 V LVTTL Interface
Input waveform (Rise / Fall time
2.4 ns)
Test points
V
SS
2.4 V
1.2 V
1.2 V
Output waveform
Test points
1.2 V
1.2 V
3.3 V LVTTL Interface
Input waveform (Rise / Fall time
3.0 ns)
Test points
V
SS
3.0 V
1.5 V
1.5 V
Output waveform
Test points
1.5 V
1.5 V

Output load condition
C
L
: 30 pF
5 pF (TKHQX1, TKHQX2, TGLQX, TGHQZ, TKHQZ)
Figure External load at test
V
T
= +1.2 V / +1.5 V
I/O (Output)
50
Z
O
= 50
C
L
Remark C
L
includes capacitances of the probe and jig, and stray capacitances.
15
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Read and Write Cycle
Parameter
Symbol
-A75 (117 MHz)
Unit
Notes
Standard
Alias
MIN.
MAX.
Cycle time
TKHKH
TCYC
8.6
ns
Clock access time
TKHQV
TCD
7.5
ns
Output enable access time
TGLQV
TOE
3.5
ns
Clock high to output active
TKHQX1
TDC1
2.5
ns
1, 2
Clock high to output change
TKHQX2
TDC2
2.5
ns
Output enable to output active
TGLQX
TOLZ
0
ns
1
Output disable to output High-Z
TGHQZ
TOHZ
0
3.5
ns
1
Clock high to output High-Z
TKHQZ
TCZ
2.5
5
ns
1, 2
Clock high pulse width
TKHKL
TCH
2.5
ns
Clock low pulse width
TKLKH
TCL
2.5
ns
Setup times
Address
TAVKH
TAS
1.5
ns
Address
advance
TADVVKH
TADVS
Clock
enable
TEVKH
TCES
Chip
enable
TCVKH
TCSS
Data
in TDVKH
TDS
Write
enable
TWVKH
TWS
Hold times
Address
TKHAX
TAH
0.5
ns
3
Address
advance
TKHADVX
TADVH
(1.0)
()
Clock
enable
TKHEX
TCEH
Chip
enable
TKHCX
TCSH
Data
in
TKHDX TDH
Write
enable
TKHWX
TWH
Power down entry time
TZZE
TZZE
8.6
ns
Power down recovery time
TZZR
TZZR
8.6
ns
Notes 1. Transition is measured
200 mV from steady state.
2. To avoid bus contention, the output buffers are designed such that TKHQZ (device turn-off) is faster than
TKHQX1 (device turn-on) at a given temperature and voltage. The specs as shown do not imply bus
contention because TKHQX1 is a min. parameter that is worse case at totally different conditions (T
A
min.,
V
DD
max.) than TKHQZ, which is a max. parameter (worse case at T
A
max., V
DD
min.).
3. These values apply when V
DD
= 3.3 V
0.165 V with a 3.3 V LVTTL interface, or when V
DD
= 2.5 V
0.125 V with a 2.5 V LVTTL interface.
Values in parentheses apply when V
DD
= 3.3 V
0.165 V with a 2.5 V LVTTL interface.
16
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
READ / WRITE CYCLE
WRITE
D (A1)
CLK
/CKE
/CEs
ADV
/WE
Data In
Data Out
/G
/BWs
Address
Command
1
2
3
4
5
6
7
8
9
10
D (A1)
D (A2)
D (A2+1)
D (A5)
Q (A3)
Q (A4)
Q (A4+1)
Q (A6)
Q (A7)
WRITE
D (A2)
BURST
WRITE
D (A2+1)
READ
Q (A3)
READ
Q (A4)
BURST
READ
Q (A4+1)
WRITE
D (A5)
READ
Q (A6)
WRITE
Q (A7)
DESELECT
TKHKH
TEVKH
TKHEX
TCVKH TKHCX
TKLKH
TDVKH
TKHDX
TKHQX1
TKHQV
TKHQX2
TGHQZ
TGLQX
TKHQX2
TGLQV TKHQZ
TKHKL
TADVVKH TKHADVX
TWVKH TKHWX
TWVKH TKHWX
Note 1
Note 2
A2
A7
TAVKH
TKHAX
A1
A3
A4
A5
A6
High-Z
High-Z
High-Z
High-Z
High-Z


Notes 1. /CEs refers to /CE, CE2 and /CE2. When /CEs is LOW, /CE and /CE2 are LOW and CE2 is HIGH. When
/CEs is HIGH, /CE and /CE2 are HIGH and CE2 is LOW.
2. /BWs refers to /BW1, /BW2, /BW3 and /BW4. When /BWs is LOW, any one or more byte write enables
(/BW1, /BW2, /BW3 or /BW4) are LOW.
17
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
NOP, STALL AND DESELECT CYCLE
1
2
3
4
5
6
7
8
9
10
WRITE
D (A1)
CLK
/CKE
/CEs
ADV
/WE
Data In
Data Out
/BWs
Address
Command
D (A1)
D (A4)
Q (A2)
Q (A3)
Q (A5)
READ
Q (A2)
STALL
READ
Q (A3)
WRITE
D (A4)
STALL
NOP
READ
Q (A5)
DESELECT
CONTINUE
DESELECT
TKHQX2
TKHQZ
A2
A1
A3
A4
A5
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
18
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
POWER DOWN (ZZ) CYCLE
1
2
3
4
5
6
7
8
9
10
CLK
/CKE
ADV
/WE
/G
Data Out
/BWs
Address
Q (A1)
A1
11
12
Q1 (A2)
Q2 (A2)
ZZ
TKHKH
TKHKL TKLKH
TZZE
TZZR
Power Down (I
SBZZ
) State
A2
/CEs
Note
Note
High-Z
High-Z


Note /WE or /CEs must be held HIGH at CLK rising edge (clock edge No.3 in this figure) prior to power down state
entry.
19
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Package Drawing
100-PIN PLASTIC LQFP (14x20)
NOTE
Each lead centerline is located within 0.13 mm of
its true position (T.P.) at maximum material condition.
ITEM
MILLIMETERS
A
B
D
G
22.0
0.2
20.0
0.2
0.65 (T.P.)
0.575
J
16.0
0.2
K
C
14.0
0.2
I
0.13
1.0
0.2
L
0.5
0.2
F
0.825
N
P
Q
0.10
1.4
0.125
0.075
S100GF-65-8ET-1
S
1.7 MAX.
H
0.32+0.08
-0.07
M
0.17+0.06
-0.05
R
3
+7
-3
M
80
81
51
50
30
31
100
1
S
S
N
J
detail of lead end
C
D
A
B
R
K
M
L
P
I
S
Q
G
F
H
20
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Recommended Soldering Condition
Please consult with our sales offices for soldering conditions of the
PD44321181 and
PD44321361.

Types of Surface Mount Devices
PD44321181GF : 100-pin PLASTIC LQFP (14 x 20)
PD44321361GF : 100-pin PLASTIC LQFP (14 x 20)
21
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
Revision History
Edition/ Page Type
of
Location
Description
Date
This
Previous
revision
(Previous
edition
This edition)
edition
edition
5th edition/
Throughout Throughout Modification
-
Preliminary Data Sheet
Data Sheet
Apr. 2005
Deletion
-
-A85, -A75Y, -A85Y
p.12
p.12
Modification Recommended
DC
V
IH
(MIN.) : 1.7 V
2.0 V
Operating Conditions (1/2)
22
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
[MEMO]
23
Data Sheet M15958EJ5V0DS
PD44321181, 44321361
1
2
3
4
VOLTAGE APPLICATION WAVEFORM AT INPUT PIN
Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the
CMOS device stays in the area between V
IL
(MAX) and V
IH
(MIN) due to noise, etc., the device may
malfunction. Take care to prevent chattering noise from entering the device when the input level is fixed,
and also in the transition period when the input level passes through the area between V
IL
(MAX) and
V
IH
(MIN).
HANDLING OF UNUSED INPUT PINS
Unconnected CMOS device inputs can be cause of malfunction. If an input pin is unconnected, it is
possible that an internal input level may be generated due to noise, etc., causing malfunction. CMOS
devices behave differently than Bipolar or NMOS devices. Input levels of CMOS devices must be fixed
high or low by using pull-up or pull-down circuitry. Each unused pin should be connected to V
DD
or GND
via a resistor if there is a possibility that it will be an output pin. All handling related to unused pins must
be judged separately for each device and according to related specifications governing the device.
PRECAUTION AGAINST ESD
A strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and
ultimately degrade the device operation. Steps must be taken to stop generation of static electricity as
much as possible, and quickly dissipate it when it has occurred. Environmental control must be
adequate. When it is dry, a humidifier should be used. It is recommended to avoid using insulators that
easily build up static electricity. Semiconductor devices must be stored and transported in an anti-static
container, static shielding bag or conductive material. All test and measurement tools including work
benches and floors should be grounded. The operator should be grounded using a wrist strap.
Semiconductor devices must not be touched with bare hands. Similar precautions need to be taken for
PW boards with mounted semiconductor devices.
STATUS BEFORE INITIALIZATION
Power-on does not necessarily define the initial status of a MOS device. Immediately after the power
source is turned ON, devices with reset functions have not yet been initialized. Hence, power-on does
not guarantee output pin levels, I/O settings or contents of registers. A device is not initialized until the
reset signal is received. A reset operation must be executed immediately after power-on for devices
with reset functions.
POWER ON/OFF SEQUENCE
In the case of a device that uses different power supplies for the internal operation and external
interface, as a rule, switch on the external power supply after switching on the internal power supply.
When switching the power supply off, as a rule, switch off the external power supply and then the
internal power supply. Use of the reverse power on/off sequences may result in the application of an
overvoltage to the internal elements of the device, causing malfunction and degradation of internal
elements due to the passage of an abnormal current.
The correct power on/off sequence must be judged separately for each device and according to related
specifications governing the device.
INPUT OF SIGNAL DURING POWER OFF STATE
Do not input signals or an I/O pull-up power supply while the device is not powered. The current
injection that results from input of such a signal or I/O pull-up power supply may cause malfunction and
the abnormal current that passes in the device at this time may cause degradation of internal elements.
Input of signals during the power off state must be judged separately for each device and according to
related specifications governing the device.
NOTES FOR CMOS DEVICES
5
6
PD44321181, 44321361
ZEROSB is a trademark of NEC Electronics Corporation.
The information in this document is current as of April, 2005. The information is subject to change
without notice. For actual design-in, refer to the latest publications of NEC Electronics data sheets or
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M8E 02. 11-1