WS128K48V-XG4WX
128Kx48 3.3V SRAM MODULE
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.
PIN CONFIGURATION FOR WS128K48V-XG4WX
BLOCK DIAGRAM
WE
1
CS
1
WE
2
CS
2
WE
x
CS
x
WE
6
CS
6
ADVANCED*
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.
TOP VIEW
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
OE
A
0-16
1
128K x 8
2
128K x 8
.....
8
6
128K x 8
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
8
8
8
September 1998
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
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
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
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
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
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
0-7
I/O
8-15
I/O...
I/O
40-47
PIN DESCRIPTION
I/O
0-47
A
0-16
WE
1-6
CS
1-6
OE
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
1
White Microelectronics • Phoenix, AZ • (602) 437-1520
WS128K48V-XG4WX
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
Symbol
T
A
T
STG
V
G
T
J
V
CC
-0.5
Min
-55
-65
-0.5
Max
+125
+150
4.6
150
4.6
Unit
°C
°C
V
°C
V
CS
H
L
L
L
OE
X
L
X
H
X
H
L
H
TRUTH TABLE
WE
Mode
Standby
Read
Write
Out Disable
Data I/O
High Z
Data Out
Data In
High Z
Power
Standby
Active
Active
Active
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp. (Mil.)
Symbol
V
CC
V
IH
V
IL
T
A
Min
3.0
2.2
-0.3
-55
Max
3.6
V
CC
+ 0.3
+0.8
+125
Unit
V
V
V
°C
Parameter
OE capacitance
WE capacitance
CS capacitance
Data I/O capacitance
Address input capacitance
CAPACITANCE
(T
A
= +25°C)
Symbol
C
OE
C
WE
C
CS
C
I/O
C
AD
Conditions
V
IN
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
V
I/O
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
Max
100
20
20
20
100
Unit
pF
pF
pF
pF
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(V
CC
= 3.3V
±
0.3V, T
A
= -55°C to +125°C)
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
Output Low Voltage
Output High Voltage
NOTE: DC test conditions: V
IH
= V
CC
-0.3V, V
IL
= 0.3V
Sym
I
LI
I
LO
I
CC
I
SB
V
OL
V
OH
Conditions
Min
V
IN
= GND to V
CC
CS = V
IH
, OE = V
IH
, V
OUT
= GND to V
CC
CS = V
IL
, OE = V
IH
, f = 5MHz, Vcc = 3.6
CS = V
IH
, OE = V
IH
, f = 5MHz, Vcc = 3.6
I
OL
= 8mA
I
OH
= -4.0mA
2.4
Max
10
10
750
48
0.4
Units
µA
µA
mA
mA
V
V
AC TEST CIRCUIT
I
OL
Current Source
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Typ
V
IL
= 0, V
IH
= 2.5
5
1.5
1.5
Unit
V
ns
V
V
D.U.T.
C
eff
= 50 pf
V
Z
≈
1.5V
Output Timing Reference Level
(Bipolar Supply)
I
OH
Current Source
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z
0
= 75
Ω.
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.
White Microelectronics • Phoenix, AZ • (602) 437-1520
2
WS128K48V-XG4WX
AC CHARACTERISTICS
(V
CC
= 3.3V
±
0.3V, T
A
= -55°C To +125°C)
Parameter
Read Cycle
Read Cycle Time
Address Access Time
Output Hold from Address Change
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
t
RC
t
AA
t
OH
t
ACS
t
OE
t
CLZ
1
t
OLZ
1
t
CHZ
1
t
OHZ
1
Symbol
Min
15
-15
Max
Min
17
15
0
15
10
3
0
10
10
3
0
0
-17
Max
Min
20
17
0
17
10
3
0
10
10
-20
Max
25
20
0
20
12
3
0
12
12
-25
Units
ns
25
ns
ns
25
15
ns
ns
ns
ns
12
12
ns
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)
Parameter
Write Cycle
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Address Hold Time
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
AH
t
OW
1
Symbol
Min
15
14
14
10
14
0
0
3
-15
Max
Min
17
14
15
10
14
0
0
3
10
0
0
-17
Max
Min
20
15
15
12
15
0
0
3
10
0
-20
Max
Min
25
20
20
15
20
0
0
3
12
0
-25
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
15
ns
ns
t
WHZ
t
DH
1
1. This parameter is guaranteed by design but not tested.
3
White Microelectronics • Phoenix, AZ • (602) 437-1520
WS128K48V-XG4WX
TIMING WAVEFORM - READ CYCLE
t
RC
ADDRESS
t
AA
CS
t
RC
ADDRESS
t
ACS
t
CLZ
OE
t
CHZ
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
t
OE
t
OLZ
DATA I/O
HIGH IMPEDANCE
t
OHZ
DATA VALID
READ CYCLE 1 (CS = OE = V
IL
, WE = V
IH
)
READ CYCLE 2 (WE = V
IH
)
WRITE CYCLE - WE CONTROLLED
t
WC
ADDRESS
t
AW
t
CW
CS
t
AH
t
AS
WE
t
WP
t
OW
t
WHZ
t
DW
t
DH
DATA I/O
DATA VALID
WRITE CYCLE 1, WE CONTROLLED
WRITE CYCLE - CS CONTROLLED
t
WC
ADDRESS
WS32K32-XHX
t
AS
t
AW
t
CW
t
AH
CS
t
WP
WE
t
DW
DATA I/O
DATA VALID
t
DH
WRITE CYCLE 2, CS CONTROLLED
White Microelectronics • Phoenix, AZ • (602) 437-1520
4
WS128K48V-XG4WX
PACKAGE 504:
116 LEAD, CERAMIC QUAD FLAT PACK, CQFP (G4W)
5.1 (0.200) MAX
39.6 (1.56)
±
0.38 (0.015) SQ
1.27 (0.050)
±
0.1 (0.005)
PIN 1 IDENTIFIER
Pin 1
12.7 (0.500)
±
0.5 (0.020)
4 PLACES
5.1 (0.200)
±
0.25 (0.010)
4 PLACES
1.27 (0.050)
REF
38 (1.50) REF
4 PLACES
0.38 (0.015)
±
0.08 (0.003)
68 PLACES
0.25 (0.010)
±
0.05 (0.002)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
ORDERING INFORMATION
W S 128K48 V - XXX G4W X
DEVICE GRADE:
M = Military Screened
I = Industrial
C = Commercial
-55°C to +125°C
-40°C to +85°C
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
5
White Microelectronics • Phoenix, AZ • (602) 437-1520
