WMS512K8V-17CM Ver la hoja de datos (PDF) - White Electronic Designs => Micro Semi
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WMS512K8V-17CM Datasheet PDF : 9 Pages
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White Electronic Designs
WMS512K8V-XXX
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 = 5.0V, GND = 0V, -55°C ≤ TA < 125°C
-15
-17
Min
Max
Min
Max
15
17
15
17
0
0
15
17
8
8
1
1
0
0
8
8
8
8
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ 125°C
Parameter Write Cycle
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Address Hold Time
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
Symbol
tWC
tCW
tAW
tDW
tWP
tAS
tAH
tOW1
tWHZ1
tDH
-15
Min
Max
15
12
12
9
12
0
0
2
8
0
-17
Min
Max
17
12
12
9
14
0
0
3
8
0
1. This parameter is guaranteed by design but not tested.
-20
Unit
Min
Max
20
ns
20
ns
0
ns
20
ns
10
ns
1
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.
October 2004
Rev. 8
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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