![](http://datasheet.mmic.net.cn/100000/WMS128K8L-85DEMA_datasheet_3246782/WMS128K8L-85DEMA_2.png)
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WMS128K8-XXX
Parameter
Sym
Conditions
-70
-85
-100
-120
Units
Min
Max
Min
Max
Min
Max
Min
Max
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
10
A
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = GND to VCC
10
A
Operating Supply Current
ICC
CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5
30
mA
Standby Current
ISB
CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5
1.0
0.6
mA
Output Low Voltage
VOL
IOL = 2.1mA, Vcc = 4.5
0.4
V
Output High Voltage
VOH
IOH = -1.0mA, Vcc = 4.5
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
ABSOLUTE MAXIMUM RATINGS
TRUTH TABLE
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Operating Temperature
TA
-55
+125
°C
Storage Temperature
TSTG
-65
+150
°C
Signal Voltage Relative to GND
VG
-0.5
Vcc+0.5
V
Junction Temperature
TJ
150
°C
Supply Voltage
VCC
-0.5
7.0
V
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.3
V
Input Low Voltage
VIL
-0.5
+0.8
V
DC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55
°C to +125°C)
DATA RETENTION CHARACTERISTICS
(TA = -55
°C to +125°C)
CS
OE
WE
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
L
H
Read
Data Out
Active
L
H
Out Disable
High Z
Active
L
X
L
Write
Data In
Active
Parameter
Symbol
Conditions
-70
-85
-100
-120
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Data Retention
Supply Voltage
VDR
CS
≥ VCC -0.2V
2.0
5.5
2.0
5.5
2.0
5.5
2.0
5.5
V
Data Retention
Current
ICCDR1
VCC = 3V
20
400
20
400
20
400
20
400
A
CAPACITANCE
(TA = +25
°C)
Parameter
Symbol
Condition
Package
Speed (ns)
Max
Unit
Input capacitance
CIN
VIN = 0V, f = 1.0MHz
32 Pin CSOJ, DIP,
70 to 120
12
pF
Flat Pack Evolutionary
32 Pin CSOJ Revolutionary
70 to 120
20
pF
Output capicitance
COUT
VOUT = 0V, f = 1.0MHz
32 Pin CSOJ, DIP,
70 to 120
12
pF
Flat Pack Evolutionary
32 Pin CSOJ Revolutionary
70 to 120
20
pF
This parameter is guaranteed by design but not tested.