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WMS128K8L-45FM Datasheet(PDF) 3 Page - White Electronic Designs Corporation

Part # WMS128K8L-45FM
Description  128Kx8 MONOLITHIC SRAM, SMD 5962-96691
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Manufacturer  WEDC [White Electronic Designs Corporation]
Direct Link  http://www.whiteedc.com
Logo WEDC - White Electronic Designs Corporation

WMS128K8L-45FM Datasheet(HTML) 3 Page - White Electronic Designs Corporation

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White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WMS128K8-XXX
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75
Ω.
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
Parameter
Parameter
Parameter
Parameter
Typ
Typ
Typ
Typ
Typ
Unit
Unit
Unit
Unit
Unit
Input Pulse Levels
VIL = 0, VIH = 3.0
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
Parameter
Parameter
Parameter
Parameter
Parameter
Symbol
Symbol
Symbol
Symbol
Symbol
-70
-70
-70
-70
-70
-85
-85
-85
-85
-85
-100
-100
-100
-100
-100
-120
-120
-120
-120
-120
Units
Units
Units
Units
Units
Read Cycle
Read Cycle
Read Cycle
Read Cycle
Read Cycle
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Read Cycle Time
tRC
70
85
100
120
ns
Address Access Time
tAA
70
85
100
120
ns
Output Hold from Address Change
tOH
33
3
3
ns
Chip Select Access Time
tACS
70
85
100
120
ns
Output Enable to Output Valid
tOE
35
45
50
60
ns
Chip Select to Output in Low Z
tCLZ1
33
3
3
ns
Output Enable to Output in Low Z
tOLZ1
00
0
0
ns
Chip Disable to Output in High Z
tCHZ1
25
25
35
35
ns
Output Disable to Output in High Z
tOHZ1
25
25
35
35
ns
AC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C TO +125°C)
AC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C TO +125°C)
Parameter
Parameter
Parameter
Parameter
Parameter
Symbol
Symbol
Symbol
Symbol
Symbol
-70
-70
-70
-70
-70
-85
-85
-85
-85
-85
-100
-100
-100
-100
-100
-120
-120
-120
-120
-120
Units
Units
Units
Units
Units
Write Cycle
Write Cycle
Write Cycle
Write Cycle
Write Cycle
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Max
Max
Max
Max
Max
Write Cycle Time
tWC
70
85
100
120
ns
Chip Select to End of Write
tCW
60
75
80
100
ns
Address Valid to End of Write
t AW
60
75
80
100
ns
Data Valid to End of Write
tDW
30
35
40
50
ns
Write Pulse Width
tWP
50
55
70
80
ns
Address Setup Time
tAS
00
0
0
ns
Address Hold Time
tAH
55
5
5
ns
Output Active from End of Write
tOW1
55
5
5
ns
Write Enable to Output in High Z
tWHZ1
25
30
35
35
ns
Data Hold Time
tDH
00
0
0
ns
1. This parameter is guaranteed by design but not tested.
1. This parameter is guaranteed by design but not tested.


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