White Electronic Designs
FEATURES
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Access Times 70, 85, 100, 120ns
n
Revolutionary, Center Power/Ground Pinout
JEDEC Approved
• 32 lead Ceramic SOJ (Package 101)
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Evolutionary, Corner Power/Ground Pinout
JEDEC Approved
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
• 32 lead Ceramic Flat Pack (Package 206)
WMS128K8-XXX
128Kx8 MONOLITHIC SRAM, SMD 5962-96691
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MIL-STD-883 Compliant Devices Available
n
Commercial, Industrial and Military Temperature Range
n
5 Volt Power Supply
n
Low Power CMOS
n
2V Data Retention Devices Available
(Low Power Version)
n
TTL Compatible Inputs and Outputs
R
EVOLUTIONARY
P
INOUT
CSOJ
32 C SOJ (DR)
E
VOLUTIONARY
P
INOUT
32 DIP (C)
32 C SOJ (DE)
FLATPA
32 FL ATPACK (FE)
T
OP
V
IEW
T
OP
V
IEW
P
IN
D
ESCRIPTION
A
0-16
I/O
0-7
CS
OE
WE
V
CC
GND
Address Inputs
Data Input/Output
Chip Select
Output Enable
Write Enable
+5.0V Power
Ground
S
EPTEMBER
2002 R
EV
. 5
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
A
BSOLUTE
M
AXIMUM
R
ATINGS
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
Vcc+0.5
150
7.0
Unit
°C
°C
V
°C
V
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
CS
H
L
L
L
OE
X
L
H
X
WE
X
H
H
L
WMS128K8-XXX
T
RUTH
T
ABLE
Mode
Standby
Read
Out Disable
Write
Data I/O
High Z
Data Out
High Z
Data In
Power
Power
Standby
Active
Active
Active
R
ECOMMENDED
O
PERATING
C
ONDITIONS
Symbol
V
CC
V
IH
V
IL
Min
4.5
2.2
-0.5
Max
5.5
V
CC
+ 0.3
+0.8
Unit
V
V
V
C
APACITANCE
(TA = +25°C)
Parameter
Input capacitance
Symbol
C
IN
Condition
V
IN
= 0V, f = 1.0MHz
Package
32 Pin CSOJ, DIP,
Flat Pack Evolutionary
32 Pin CSOJ Revolutionary
Output capicitance
C
OUT
V
OUT
= 0V, f = 1.0MHz
32 Pin CSOJ, DIP,
Flat Pack Evolutionary
32 Pin CSOJ Revolutionary
Max
12
20
12
20
Unit
pF
pF
pF
pF
This parameter is guaranteed by design but not tested.
DC C
HARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55°C
TO
+125°C)
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
Output Low Voltage
Output High Voltage
Sym
I
LI
I
LO
I
CC
I
SB
V
OL
V
OH
Conditions
Min
V
CC
= 5.5, 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 = 5.5
CS = V
IH
, OE = V
IH
, f = 5MHz, Vcc = 5.5
I
OL
= 2.1mA, Vcc = 4.5
I
OH
= -1.0mA, Vcc = 4.5
2.4
-70
Max
10
10
30
5
0.4
2.4
Min
-85
Max
10
10
30
5
0.4
2.4
Min
-100
Max
10
10
30
5
0.4
2.4
-120
Min
Max
10
10
30
5
0.4
Units
µA
µA
mA
mA
V
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
D
ATA
R
ETENTION
C
HARACTERISTICS
(TA = -55°C
TO
+125°C)
Parameter
Data Retention
Supply Voltage
Data Retention
Current
Symbol
Conditions
-70
Min
Max
2.0
5.5
1
-85
Min
2.0
Max
5.5
1
-100
Min
Max
2.0
5.5
1
-120
Min
Max
2.0
5.5
1
Units
V
DR
I
CCDR1
CS
≥
V
CC
-0.2V
V
CC
= 3V
V
mA
White Electronic Designs Corporation • Phoenix AZ • (602) 437-1520
2
White Electronic Designs
AC C
HARACTERISTICS
(VCC = 5.0V, TA = -55°C T
O
+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
WMS128K8-XXX
Symbol
Min
70
-70
Max
Min
85
70
3
70
35
3
0
25
25
3
0
3
-85
Max
Min
100
85
3
85
45
3
0
25
25
-100
Max
Min
120
100
3
100
50
3
0
35
35
-120
Max
Units
ns
120
ns
ns
120
60
ns
ns
ns
ns
35
35
ns
ns
t
OHZ
1
1. This parameter is guaranteed by design but not tested.
AC C
HARACTERISTICS
(VCC = 5.0V, TA = -55°C T
O
+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
70
60
60
30
50
0
5
5
-70
Max
Min
85
75
75
35
55
0
5
5
25
0
0
-85
Max
Min
100
80
80
40
70
0
5
5
30
0
-100
Max
Min
120
100
100
50
80
0
5
5
35
0
-120
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
35
ns
ns
t
WHZ
t
DH
1
1. This parameter is guaranteed by design but not tested.
AC T
EST
C
IRCUIT
Parameter
AC T
EST
C
ONDITIONS
Typ
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
Unit
V
ns
V
V
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
T
IMING
W
AVEFORM
- R
EAD
C
YCLE
WMS128K8-XXX
t
RC
ADDRESS
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
READ CYCLE 1 (CS = OE = V
IL
, WE = V
IH
)
W
RITE
C
YCLE
- WE C
ONTROLLED
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
W
RITE
C
YCLE
- CS C
ONTROLLED
t
WC
ADDRESS
WS32K32-XHX
t
CW
t
AH
t
AS
CS
t
AW
t
WP
WE
t
DW
DATA I/O
DATA VALID
t
DH
WRITE CYCLE 2, CS CONTROLLED
White Electronic Designs Corporation • Phoenix AZ • (602) 437-1520
4
White Electronic Designs
P
ACKAGE
101: 32 L
EAD
, C
ERAMIC
SOJ
21.1 (0.830) ± 0.25 (0.010)
0.2 (0.008)
± 0.05 (0.002)
WMS128K8-XXX
3.96 (0.156) MAX
0.89 (0.035)
Radius TYP
11.3 (0.446)
± 0.2 (0.009)
9.55 (0.376) ± 0.25 (0.010)
1.27 (0.050) ± 0.25 (0.010)
1.27 (0.050) TYP
19.1 (0.750) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
P
ACKAGE
206: 32 L
EAD
, C
ERAMIC
F
LAT
P
ACK
20.83 (0.820)
± 0.25 (0.010)
3.18 (0.125) MAX
PIN 1
IDENTIFIER
10.41 (0.410)
± 0.13 (0.005)
7.87 (0.310)
± 0.13 (0.005)
6.35 (0.250)
MIN
0.43 (0.017)
± 0.05 (0.002)
0.127 (0.005)
+ 0.05 (0.002)
– 0.025 (0.001)
1.27 (0.050) TYP
19.05 (0.750) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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