5962-9690202HNX データシートの表示（PDF） - White Electronic Designs => Micro Semi
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5962-9690202HNX Datasheet PDF : 7 Pages
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White Electronic Designs
WMS256K16-XXX
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
Symbol
-17
Min Max
-20
Min Max
Read Cycle Time
Address Access Time
tRC
17
20
tAA
17
20
Output Hold from Address Change
tOH
0
0
Chip Select Access Time
tACS
17
20
Output Enable to Output Valid
tOE
10
12
Chip Select to Output in Low Z
tCLZ1
2
5
Output Enable to Output in Low Z
tOLZ1
0
0
Chip Disable to Output in High Z
tCHZ1
9
10
Output Disable to Output in High Z
tOHZ1
9
10
LB#, UB# Access Time
tBA
10
12
LB#, UB# Enable to Low Z Output
tBLZ1
0
0
LB#, UB# Disable to High Z Output
tBHZ1
9
10
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle
Symbol
-17
Min Max
-20
Min Max
Write Cycle Time
tWC
17
20
Chip Select to End of Write
tCW
14
17
Address Valid to End of Write
tAW
14
17
Data Valid to End of Write
tDW
10
12
Write Pulse Width
tWP
14
17
Address Setup Time
tAS
0
0
Address Hold Time
tAH
2
2
Output Active from End of Write
tOW1
0
0
Write Enable to Output in High Z
tWHZ1
9
10
Data Hold Time
tDH
0
0
LB#, UB# Valid to End of Write
tBW
14
17
1. This parameter is guaranteed by design but not tested.
-25
Min Max
25
25
0
25
15
5
0
12
12
14
0
12
-25
Min Max
25
20
20
15
20
0
2
0
10
0
20
-35
Units
Min Max
35
ns
35
ns
0
ns
35
ns
20
ns
5
ns
0
ns
15
ns
15
ns
17
ns
0
ns
15
ns
-35
Units
Min Max
35
ns
25
ns
25
ns
20
ns
25
ns
0
ns
2
ns
0
ns
15
ns
0
ns
25
ns
AC TEST CIRCUIT
I OL
Current Source
D.U.T.
Ceff = 50 pf
VZ ≈ 1.5V
(Bipolar Supply)
I OH
Current Source
AC TEST CONDITIONS
Parameter
Typ
Input Pulse Levels
VIL = 0, VIH = 3.0
Input Rise and Fall
5
Input and Output Reference Level
1.5
Output Timing Reference Level
1.5
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.
Unit
V
ns
V
V
August 2004
Rev. 6
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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