WMS512K8VL-120DEMEA 데이터 시트보기 (PDF) - White Electronic Designs => Micro Semi
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WMS512K8VL-120DEMEA Datasheet PDF : 6 Pages
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White Electronic Designs
WMS512K8V-XCX
ADVANCED*
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
Symbol
Read Cycle Time
tRC
Address Access Time
tAA
Output Hold from Address Change
tOH
Chip Select Access Time
tACS
Output Enable to Output Valid
tOE
Chip Select to Output in Low Z
tCLZ1
Output Enable to Output in Low Z
tOLZ1
Chip Disable to Output in High Z
tCHZ1
Output Disable to Output in High Z
tOHZ1
1. This parameter is guaranteed by design but not tested.
-70
Min Max
70
70
5
70
35
10
5
25
25
-85
Min Max
85
85
5
85
40
10
5
25
25
-100
Min Max
100
100
5
100
50
10
5
35
35
-120
Min Max
120
120
5
120
60
10
5
35
35
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
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 from Write Time
tDH
1. This parameter is guaranteed by design but not tested.
-70
Min Max
70
60
60
30
50
0
5
5
25
0
-85
Min Max
85
75
75
35
50
0
5
5
25
0
-100
Min Max
100
80
80
40
60
0
5
5
35
0
-120
Min Max
120
100
100
40
60
0
5
5
35
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TEST CIRCUIT
IOL
Current Source
D.U.T.
Ceff = 50 pf
IOH
Current Source
VZ ≈ 1.5V
(Bipolar Supply
AC TEST CONDITIONS
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 = 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.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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