WS1M8-70CM View Datasheet(PDF) - White Electronic Designs => Micro Semi
Part Name
Description
MFG CO.
'WS1M8-70CM' PDF : 5 Pages View PDF
White Electronic Designs
Parameter
Read Cycle
Symbol
Read Cycle Time
tRC
Address Access Time
tAA
Output Hold from Address Change
tOH
Chip Select Access Time
tACS
Chip Select to Output in Low Z
tCLZ1
Chip Disable to Output in High Z
tCHZ1
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
-70
-85
Min
Max
Min
Max
70
85
70
85
0
0
70
85
5
5
25
25
Parameter
Write Cycle
Symbol
Write Cycle Time
tWC
Chip Select to End of Write
tCW
Address Valid to End of Write
tAW
Data Valid to End of Write
tDW
Write Pulse Width
tWP
Address Setup Time
tAS
Address Hold Time
tAH
Output Active from End of Write
tOW1
Write Enable to Output in High Z
tWHZ1
Data Hold Time
tDH
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
-70
Min
Max
70
60
60
30
50
0
5
5
25
0
-85
Min
Max
85
75
75
30
50
0
5
5
25
0
WS1M8-XCX
PRELIMINARY
-100
Min
Max
100
100
0
100
5
25
Units
ns
ns
ns
ns
ns
ns
-100
Min
Max
100
80
80
40
60
0
5
5
35
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
I OL
Current Source
D.U.T.
Ceff = 50 pf
I OH
Current Source
AC TEST CIRCUIT
AC Test Conditions
VZ 1.5V
(Bipolar Supply)
Parameter
Typ
Unit
Input Pulse Levels
Input Rise and Fall
VIL = 0, VIH = 3.0
V
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 = 75Ω.
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 Corp. reserves the right to change products or specifications without notice.
November 2002
Rev. 2
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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