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参数资料
| 型号： | WMS128K8V-25FRM |
| 元件分类： | SRAM |
| 英文描述： | 128K X 8 STANDARD SRAM, 25 ns, CDFP32 |
| 封装： | CERAMIC, DFP-32 |
| 文件页数： | 2/8页 |
| 文件大小： | 107K |
| 代理商： | WMS128K8V-25FRM |
2
White Electronic Designs Corporation Phoenix, AZ (602) 437-1520
WMS128K8V-XXX
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
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
5.5
V
CS
OE
WE
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
L
H
Read
Data Out
Active
L
X
L
Write
Data In
Active
L
H
Out Disable
High Z
Active
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Condition
Max
Unit
Input capacitance
CIN
VIN = 0V, f = 1.0MHz
20
pF
Output capacitance
COUT
VOUT = 0V, f = 1.0MHz
20
pF
This parameter is guaranteed by design but not tested.
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
3.0
3.6
V
Input High Voltage
VIH
2.2
VCC + 0.3
V
Input Low Voltage
VIL
-0.3
+0.8
V
Operating Temp. (Mil.)
TA
-55
+125
°C
CAPACITANCE
(TA = +25
°C)
I
Current Source
D.U.T.
C
= 50 pf
eff
I
OL
V
≈ 1.5V
(Bipolar Supply)
Z
Current Source
OH
NOTES:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75
.
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.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
VIL = 0, VIH = 2.5
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
DC CHARACTERISTICS
(VCC = 3.3V
±0.3V, VSS = 0V, TA = -55°C to +125°C)
Parameter
Sym
Conditions
Units
Min
Max
Input Leakage Current
ILI
VCC = 3.3, VIN = GND to VCC
10
A
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = GND to VCC
10
A
Operating Supply Current (x 32 Mode)
ICC
CS = VIL, OE = VIH, f = 5MHz, VCC = 3.3
120
mA
Standby Current
ISB
CS = VIH, OE = VIH, f = 5MHz, VCC = 3.3
8
mA
Output Low Voltage
VOL
IOL = 8mA
0.4
V
Output High Voltage
VOH
IOH = -4.0mA
2.4
V
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