White Microelectronics Phoenix, AZ (602) 437-1520
1
WS128K48V-XG4WX
128Kx48 3.3V SRAM MODULE
ADVANCED*
September 1998
FEATURES
s Access Times 15, 17, 20, 25ns
s Packaging
116 Lead, 40.0mm Hermetic CQFP (Package 504)
s Commercial, Industrial and Military Temperature Ranges
s 3.3 Volt Power Supply
s Low Power CMOS
s Organized as 128K x 48, Data Width is user configurable.
s 2V Data Retention Devices Available
(Low Power Version)
s TTL Compatible Inputs and Outputs
s Weight
WS128K48V-XG4WX - 20 grams typical
* This data sheet describes a product that may or may not be under
development and is subject to change or cancellation without notice.
PIN CONFIGURATION FOR WS128K48V-XG4WX
BLOCK DIAGRAM
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
116
115
114
113
112
111
110
109
108
107
106
105
104
103
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
GND
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
I/O
29
I/O
30
I/O
31
V
CC
WE
3
CS
3
NC
NC
NC
NC
A
16
A
15
WE
4
CS
4
OE
CS
5
WE
5
A
14
A
13
A
12
A
11
A
10
NC
CS
6
WE
6
V
CC
I/O
32
I/O
33
I/O
34
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
NC
NC
NC
GND
I/O
47
I/O
46
I/O
45
I/O
44
I/O
43
I/O
42
I/O
41
I/O
40
GND
I/O
39
I/O
38
I/O
37
I/O
36
I/O
35
I/O
2
I/O
1
I/O
0
V
CC
WE
2
CS
2
NC
A
0
A
1
A
2
A
3
A
4
WE
1
CS
1
NC
NC
NC
A
5
A
6
A
7
A
8
A
9
NC
NC
NC
V
CC
NC
NC
NC
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
TOP VIEW
I/O
0-47
Data Inputs/Outputs
A
0-16
Address Inputs
WE
1-6
Write Enables
CS
1-6
Chip Selects
OE
Output Enable
V
CC
Power Supply
GND
Ground
NC
Not Connected
PIN DESCRIPTION
1
128K x 8
8
I / O
0 - 7
CS
1
2
128K x 8
8
I / O
8 - 1 5
CS
2
8
I / O . . .
CS
x
6
128K x 8
8
I / O
4 0 - 4 7
CS
6
A
0 - 1 6
O E
WE
1
WE
2
WE
x
WE
6
. . . . .
2
White Microelectronics Phoenix, AZ (602) 437-1520
WS128K48V-XG4WX
TRUTH TABLE
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
4.6
V
Junction Temperature
T
J
150
C
Supply Voltage
V
CC
-0.5
4.6
V
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
0.3V, T
A
= -55
C to +125
C)
I
Current Source
D.U.T.
C = 50 pf
eff
I
OL
V
1.5V
(Bipolar Supply)
Z
Current Source
OH
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z
0
= 75
.
V
Z
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
AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
V
IL
= 0, V
IH
= 2.5
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
Parameter
Sym
Conditions
Units
Min
Max
Input Leakage Current
I
LI
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, Vcc = 3.6
750
mA
Standby Current
I
SB
CS = V
IH
, OE = V
IH
, f = 5MHz, Vcc = 3.6
48
mA
Output Low Voltage
V
OL
I
OL
= 8mA
0.4
V
Output High Voltage
V
OH
I
OH
= -4.0mA
2.4
V
NOTE: DC test conditions: V
IH
= V
CC
-0.3V, V
IL
= 0.3V
CAPACITANCE
(T
A
= +25
C)
Parameter
Symbol
Conditions
Max
Unit
OE capacitance
C
OE
V
IN
= 0 V, f = 1.0 MHz
100
pF
WE capacitance
C
WE
V
IN
= 0 V, f = 1.0 MHz
20
pF
CS capacitance
C
CS
V
IN
= 0 V, f = 1.0 MHz
20
pF
Data I/O capacitance
C
I/O
V
I/O
= 0 V, f = 1.0 MHz
20
pF
Address input capacitance
C
AD
V
IN
= 0 V, f = 1.0 MHz
100
pF
This parameter is guaranteed by design but not tested.
White Microelectronics Phoenix, AZ (602) 437-1520
3
WS128K48V-XG4WX
Parameter
Symbol
-15
-17
-20
-25
Units
Read Cycle
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
15
17
20
25
ns
Address Access Time
t
AA
15
17
20
25
ns
Output Hold from Address Change
t
OH
0
0
0
0
ns
Chip Select Access Time
t
ACS
15
17
20
25
ns
Output Enable to Output Valid
t
OE
10
10
12
15
ns
Chip Select to Output in Low Z
t
CLZ
1
3
3
3
3
ns
Output Enable to Output in Low Z
t
OLZ
1
0
0
0
0
ns
Chip Disable to Output in High Z
t
CHZ
1
10
10
12
12
ns
Output Disable to Output in High Z
t
OHZ
1
10
10
12
12
ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
(V
CC
= 3.3V
0.3V, T
A
= -55
C To +125
C)
AC CHARACTERISTICS
(V
CC
= 3.3V
0.3V, T
A
= -55
C To +125
C)
Parameter
Symbol
-15
-17
-20
-25
Units
Write Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
t
WC
15
17
20
25
ns
Chip Select to End of Write
t
CW
14
14
15
20
ns
Address Valid to End of Write
t
AW
14
15
15
20
ns
Data Valid to End of Write
t
DW
10
10
12
15
ns
Write Pulse Width
t
WP
14
14
15
20
ns
Address Setup Time
t
AS
0
0
0
0
ns
Address Hold Time
t
AH
0
0
0
0
ns
Output Active from End of Write
t
OW
1
3
3
3
3
ns
Write Enable to Output in High Z
t
WHZ
1
10
10
12
15
ns
Data Hold Time
t
DH
0
0
0
0
ns
1. This parameter is guaranteed by design but not tested.
4
White Microelectronics Phoenix, AZ (602) 437-1520
WS128K48V-XG4WX
WS32K32-XHX
TIMING WAVEFORM - READ CYCLE
WRITE CYCLE - CS CONTROLLED
WRITE CYCLE - WE CONTROLLED
ADDRESS
DATA I/O
WRITE CYCLE 1, WE CONTROLLED
t
AW
t
CW
t
AH
t
WP
t
DW
t
WHZ
t
AS
t
OW
t
DH
t
WC
DATA VALID
CS
WE
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
READ CYCLE 2 (WE = V
IH
)
t
AA
t
ACS
t
OE
t
CLZ
t
OLZ
t
OHZ
t
RC
DATA VALID
HIGH IMPEDANCE
CS
OE
t
CHZ
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
White Microelectronics Phoenix, AZ (602) 437-1520
5
WS128K48V-XG4WX
DEVICE GRADE:
M = Military Screened
-55
C to +125
C
I = Industrial
-40
C to +85
C
C = Commercial
0
C to + 70
C
PACKAGE TYPE:
G4W = 116 Lead 40mm Ceramic Quad Flat Pack, CQFP (Package 504)
ACCESS TIME (ns)
Low Voltage Supply 3.3V
10%
ORGANIZATION, 128K x 48
SRAM
WHITE MICROELECTRONICS
ORDERING INFORMATION
PACKAGE 504:
116 LEAD, CERAMIC QUAD FLAT PACK, CQFP (G4W)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
38 (1.50) REF
4 PLACES
0.38 (0.015)
0.08 (0.003)
68 PLACES
1.27 (0.050)
REF
5.1 (0.200)
0.25 (0.010)
4 PLACES
39.6 (1.56)
0.38 (0.015) SQ
12.7 (0.500)
0.5 (0.020)
4 PLACES
5.1 (0.200) MAX
0.25 (0.010)
0.05 (0.002)
1.27 (0.050)
0.1 (0.005)
PIN 1 IDENTIFIER
Pin 1
W S 128K48 V - XXX G4W X
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