WSF128K16-37G1UC(2001) 데이터 시트보기 (PDF) - White Electronic Designs => Micro Semi
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WSF128K16-37G1UC
(Rev.:2001)
(Rev.:2001)
White Electronic Designs => Micro Semi
WSF128K16-37G1UC Datasheet PDF : 15 Pages
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WSF128K16-XXX
SRAM AC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C TO +125°C)
Parameter
Read Cycle
Symbol
-35
Min Max
Read Cycle Time
tRC 35
Address Access Time
tAA
35
OutputHoldfromAddressChange tOH 0
Chip Select Access Time
tACS
35
Output Enable to Output Valid
tOE
20
Chip Select to Output in Low Z
tCLZ1
3
Output Enable to Output in Low Z tOLZ1 0
Chip Disable to Output in High Z tCHZ1
20
OutputDisabletoOutputinHighZ tOHZ1
20
1. This parameter is guaranteed by design but not tested.
-70
Unit
Min Max
70
ns
70 ns
3
ns
70 ns
35 ns
3
ns
0
ns
25 ns
25 ns
SRAM AC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C TO +125°C)
Parameter
Write Cycle
Symbol
-35
Min Max
Write Cycle Time
tWC 35
Chip Select to End of Write
tCW 25
Address Valid to End of Write
tAW 25
Data Valid to End of Write
tDW 20
Write Pulse Width
tWP 25
Address Setup Time
tAS
0
Address Hold Time
tAH
0
Output Active from End of Write
tOW1
4
Write Enable to Output in High Z tWHZ1
20
Data Hold from Write Time
tDH
0
1. This parameter is guaranteed by design but not tested.
-70
Unit
70
ns
60
ns
60
ns
30
ns
50
ns
5
ns
5
ns
5
ns
25 ns
0
ns
FIG. 3 AC TEST CIRCUIT
AC T C EST ONDITIONS
Parameter
Typ
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
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75W.
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.
White Electronic Designs Corporation • Phoenix AZ • (602) 437-1520
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