WMS512K8BV-15CCE 데이터 시트보기 (PDF) - White Electronic Designs Corporation
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WMS512K8BV-15CCE Datasheet PDF : 8 Pages
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White Electronic Designs
WMS512K8BV-XXXE
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.
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -40°C ≤ TA < 85°C
-15
-17
Min
Max
Min
Max
15
17
15
17
0
0
15
17
7
8
2
2
0
0
7
8
7
8
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 = 3.3V, GND = 0V, -40°C ≤ TA < 85°C
-15
-17
Min
Max
Min
Max
15
17
10
12
10
12
8
9
12
14
0
0
0
0
2
3
8
8
0
0
-20
Unit
Min
Max
20
ns
20
ns
0
ns
20
ns
10
ns
2
ns
0
ns
10
ns
10
ns
-20
Unit
Min
Max
20
ns
14
ns
14
ns
10
ns
14
ns
0
ns
0
ns
3
ns
9
ns
0
ns
AC TEST CIRCUIT
IOL
Current Source
D.U.T.
Ceff = 50 pF
VZ ≈ 1.5V
(Bipolar Supply)
IOH
Current Source
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
Unit
VIL = 0, VIH = 2.5
V
5
ns
1.5
V
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.
December 1999
Rev. 3
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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