参数资料
型号: WPS128K8B-20EJM
元件分类: SRAM
英文描述: 128K X 8 STANDARD SRAM, 20 ns, PDSO32
封装: 0.400 INCH, PLASTIC, SOJ-32
文件页数: 2/5页
文件大小: 79K
代理商: WPS128K8B-20EJM
2
White Electronic Designs Corporation Phoenix, AZ (602) 437-1520
WPS128K8-XEJX
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Max
Unit
Operating Temperature (Mil.)
TA
-55
+125
°C
Operating Temperature (Ind.)
TA
-40
+85
°C
Storage Temperature
TSTG
-65
+150
°C
Signal Voltage Relative to VSS
VG
-0.5
Vcc + 0.5
V
Supply Voltage
VCC
-0.5
7.0
V
CS1
CS2
OE
WE
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
X
L
X
Standby
High Z
Standby
L
H
L
H
Read
Data Out
Active
L
H
Out Disable
High Z
Active
L
H
X
L
Write
High Z
Active
Parameter
Symbol
Condition
Max
Unit
Input capacitance
CIN
VIN = 0V, f = 1.0MHz
6pF
Output capacitance
COUT
VOUT = 0V, f = 1.0MHz
8pF
This parameter is guaranteed by design but not tested.
CAPACITANCE
(TA = +25
°C)
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.5
V
Input Low Voltage
VIL
-0.3
+0.8
V
Operating Temperature (Mil.)
TA
-55
+125
°C
Operating Temperature (Ind.)
TA
-40
+85
°C
DC CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -55
°C to +125°C)
Parameter
Symbol
Conditions
Units
Min
Max
Input Leakage Current
ILI
VCC = 5.5, VIN = VSS to VCC
10
A
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = VSS to VCC
10
A
Operating Supply Current
ICC
CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5
130
mA
Standby Current
ISB
CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5
10
mA
Output Low Voltage
VOL
IOL = 8mA, Vcc = 4.5
0.4
V
Output High Voltage
VOH
IOH = -4mA, Vcc = 4.5
2.4
V
NOTE: DC test conditions: VIL = 0.3V, VIH = Vcc -0.3V
Parameter
Symbol
Conditions
Units
Min
Max
Data Retention
VDR
CS1 Controlled: CS1
≥ Vcc - 0.2V, CS2 ≥ Vcc - 0.2V
2.0
5.5
V
Supply Voltage
CS2 Controlled: CS2
≤ 0.2V
Data Retention
ICCDR1
VCC = 3V
L Version
1.2
mA
Current
3.0
DATA RETENTION CHARACTERISTICS
(TA = -55
°C to +125°C)
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