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Электронный компонент: WMS512K8V-XCX

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WMS512K8V-XCX
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
February, 2000
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
ADVANCED*
512Kx8 MONOLITHIC SRAM
FEATURES
Access Times 70, 85, 100, 120ns
MIL-STD-883 Compliant Devices Available
Low
Voltage
Operation
Evolutionary,
Corner
Power/Ground
Pinout
JEDEC
Approved
32 pin Ceramic DIP (Package 300)
32 lead Ceramic SOJ (Package 101)
Commercial,
Industrial
and
Military
Temperature
Ranges
Low
Power
CMOS
Low
Voltage
Operation
3.3V 10% Power Supply
Low Power Data Retention
TTL Compatible Inputs and Outputs
* This product is under development, is not qualifi ed or characterized and is subject to
change or cancellation without notice.
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
TOP VIEW
A0-18
Address Inputs
I/O0-7
Data Input/Output
CS#
Chip Select
OE#
Output Enable
WE#
Write Enable
V
CC
+3.3V Power Supply
GND
Ground
PIN DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
VCC
A15
A17
WE#
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
WMS512K8V-XCX
2
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
February, 2000
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
ADVANCED*
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Max
Unit
Operating Temperature
T
A
-55
+125
C
Storage Temperature
T
STG
-65
+150
C
Signal Voltage Relative to GND
V
G
-0.5
V
CC
+0.5
V
Junction Temperature
T
J
150
C
Supply Voltage
V
CC
-0.5
7.0
V
TRUTH TABLE
CS#
OE#
WE#
Mode
Data I/O
Power
H
X
X
Standby
High Z
Standby
L
L
H
Read
Data Out
Active
L
X
L
Write
Data In
Active
L
H
H
Out Disable
High Z
Active
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
V
CC
3.0
3.6
V
Input High Voltage
V
IH
2.2
V
CC
+ 0.3
V
Input Low Voltage
V
IL
-0.3
+0.8
V
Operating Temp. (Mil.)
T
A
-55
+125
C
DC CHARACTERISTICS
V
CC
= 3.3V, GND = 0V, -55C T
A
+125C
Parameter
Symbol
Conditions
Min
Max
Units
Input Leakage Current
I
LI
V
CC
= 3.6, V
IN
= GND to V
CC
10
A
Output Leakage Current
I
LO
CS# = V
IH
, OE# = V
IH
, V
OUT
= GND to V
CC
10
A
Operating Supply Current
I
CC
CS# = V
IL
, OE# = V
IH
, f = 5MHz, V
CC
= 3.6
25
mA
Standby Current
I
SB
CS# = V
IH
, OE# = V
IH
, f = 5MHz, V
CC
= 3.6
400
A
Output Low Voltage
V
OL
I
OL
= 2.1mA, V
CC
= 3.0
0.4
V
Output High Voltage
V
OH
I
OH
= -1.0mA, V
CC
= 3.0
2.4
V
NOTE: DC test conditions: V
IH
= V
CC
-0.3V, V
IL
= 0.3V
CAPACITANCE
T
A
= +25C
Parameter
Symbol Condition
Max
Unit
Input capacitance
C
IN
V
IN
= 0V, f = 1.0MHz
12
pF
Output capacitance
C
OUT
V
OUT
= 0V, f = 1.0MHz
12
pF
This parameter is guaranteed by design but not tested.
WMS512K8V-XCX
3
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
February, 2000
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
ADVANCED*
AC CHARACTERISTICS
V
CC
= 3.3V, GND = 0V, -55C T
A
+125C
Parameter
Read Cycle
Symbol
-70
-85
-100
-120
Units
Min
Max
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
70
85
100
120
ns
Address Access Time
t
AA
70
85
100
120
ns
Output Hold from Address Change
t
OH
5
5
5
5
ns
Chip Select Access Time
t
ACS
70
85
100
120
ns
Output Enable to Output Valid
t
OE
35
40
50
60
ns
Chip Select to Output in Low Z
t
CLZ
1
10
10
10
10
ns
Output Enable to Output in Low Z
t
OLZ
1
5
5
5
5
ns
Chip Disable to Output in High Z
t
CHZ
1
25
25
35
35
ns
Output Disable to Output in High Z
t
OHZ
1
25
25
35
35
ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
V
CC
= 3.3V, GND = 0V, -55C T
A
+125C
Parameter
Write Cycle
Symbol
-70
-85
-100
-120
Units
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
t
WC
70
85
100
120
ns
Chip Select to End of Write
t
CW
60
75
80
100
ns
Address Valid to End of Write
t
AW
60
75
80
100
ns
Data Valid to End of Write
t
DW
30
35
40
40
ns
Write Pulse Width
t
WP
50
50
60
60
ns
Address Setup Time
t
AS
0
0
0
0
ns
Address Hold Time
t
AH
5
5
5
5
ns
Output Active from End of Write
t
OW
1
5
5
5
5
ns
Write Enable to Output in High Z
t
WHZ
1
25
25
35
35
ns
Data Hold from Write Time
t
DH
0
0
0
0
ns
1. This parameter is guaranteed by design but not tested.
Current Source
Current Source
I
OL
I
OH
C
eff
= 50 pf
D.U.T.
V
Z
1.5V
(Bipolar Supply
NOTES:
Vz is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75 .
Vz is typically the midpoint of V
OH
and V
OL
.
I
OL
& I
OH
are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
AC TEST CIRCUIT
Parameter
Typ
Unit
Input Pulse Levels
V
IL
= 0, V
IH
= 3.0
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
AC TEST CONDITIONS
WMS512K8V-XCX
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
February, 2000
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
ADVANCED*
TIMING WAVEFORM - READ CYCLE
WRITE CYCLE - CS# CONTROLLED
WRITE CYCLE - WE# CONTROLLED
ADDRESS
t
WC
t
AW
t
CW
t
AH
t
AS
t
WP
t
WHZ
t
DW
t
OW
t
DH
DATA VALID
CS#
DATA I/O
WE#
WRITE CYCLE 1, WE# CONTROLLED
ADDRESS
DATA I/O
WRITE CYCLE 2, CS# CONTROLLED
t
AW
t
AS
t
CW
t
AH
t
WP
t
DH
t
DW
t
WC
CS#
WE#
DATA VALID
ADDRESS
DATA I/O
CS#
OE#
t
RC
t
AA
t
ACS
t
CLZ
t
CHZ
t
OE
t
OLZ
t
OHZ
HIGH IMPEDANCE
DATA VALID
READ CYCLE 2 (WE# = V
IH
)
ADDRESS
DATA I/O
READ CYCLE 1 (CS# = OE# = V
IL
, WE# = V
IH
)
t
AA
t
OH
t
RC
DATA VALID
PREVIOUS DATA VALID
WMS512K8V-XCX
5
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
February, 2000
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
ADVANCED*
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
2.5 (0.100)
TYP
1.27 (0.050)
0.1 (0.005)
0.46 (0.018)
0.05 (0.002)
0.99 (0.039)
0.51 (0.020)
3.2 (0.125) MIN
0.25 (0.010)
0.05 (0.002)
15.25 (0.600)
0.25 (0.010)
42.8 (1.686) MAX
5.13 (0.202) MAX
PIN 1 IDENTIFIER
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 101: 32 LEAD, CERAMIC SOJ
21.1 (0.830) 0.25 (0.010)
11.3 (0.446)
0.2 (0.009)
1.27 (0.050) TYP
19.1 (0.750) TYP
0.2 (0.008)
0.05 (0.002)
9.55 (0.376) 0.25 (0.010)
1.27 (0.050) 0.25 (0.010)
3.96 (0.156) MAX
0.89 (0.035)
Radius TYP
PIN 1 IDENTIFIER