WMS512K8-15FEC View Datasheet(PDF) - White Electronic Designs Corporation
Part Name
Description
MFG CO.
'WMS512K8-15FEC' PDF : 10 Pages View PDF
WMS512K8-XXX
AC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55°C to +125°C)
Parameter
Symbol
-15
-17
Read Cycle
Min Max Min Max
Read Cycle Time
tRC
15
17
Address Access Time
tAA
15
17
Output Hold from Address Change
tOH
0
0
Chip Select Access Time
tACS
15
17
Output Enable to Output Valid
tOE
8
9
Chip Select to Output in Low Z
tCLZ1
2
2
Output Enable to Output in Low Z
tOLZ1
0
0
Chip Disable to Output in High Z
tCHZ1
8
9
Output Disable to Output in High Z
tOHZ1
8
9
1. This parameter is guaranteed by design but not tested.
-20
Min Max
20
20
0
20
10
2
0
10
10
-25
Min Max
25
25
0
25
12
2
0
12
12
-35
-45
Min Max Min Max
35
45
35
45
0
0
35
45
25
25
4
4
0
0
15
20
15
20
-55
Units
Min Max
55
ns
55 ns
0
ns
55 ns
25 ns
4
ns
0
ns
20 ns
20 ns
AC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55°C to +125°C)
Parameter
Symbol
-15
Write Cycle
Min Max
Write Cycle Time
tWC
15
Chip Select to End of Write
tCW
13
Address Valid to End of Write
tAW
13
Data Valid to End of Write
tDW
8
Write Pulse Width
tWP
13
Address Setup Time
tAS
2
Address Hold Time
tAH
0
Output Active from End of Write
tOW1
2
Write Enable to Output in High Z tWHZ1
8
Data Hold Time
tDH
0
1. This parameter is guaranteed by design but not tested.
-17
Min Max
17
14
14
9
14
2
0
2
9
0
-20
Min Max
20
14
14
10
14
2
0
3
9
0
-25
Min Max
25
15
15
10
15
2
0
4
10
0
-35
Min Max
35
25
25
20
25
2
0
4
15
0
-45
Min Max
45
35
35
25
35
2
5
5
20
0
-55
Units
Min Max
55
ns
50
ns
50
ns
25
ns
40
ns
2
ns
5
ns
5
ns
25 ns
0
ns
AC TEST CIRCUIT
I OL
Current Source
D.U.T.
Ceff = 50 pf
I OH
Current Source
VZ ≈ 1.5V
(Bipolar Supply)
3
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 Corporation • (602) 437-1520 • www.whiteedc.com
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