WS512K32-XXX
AC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
-15
-17
-20
-25
-35
-45
-55
Parameter
Read Cycle
Symbol Min Max Min Max Min Max Min Max Min Max Min Max Min Max Units
Read Cycle Time
Address Access Time
Output Hold from Address Change
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
tRC
tAA
15
0
17
0
20
0
25
0
35
0
45
0
55
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
15
17
20
25
35
45
55
tOH
tACS
tOE
15
8
17
9
20
10
25
12
35
25
45
25
55
25
1
tCLZ
2
0
2
0
2
0
2
0
4
0
4
0
4
0
1
tOLZ
tCHZ
tOHZ
1
12
12
12
12
12
12
12
12
15
15
20
20
20
20
1
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
-15
-17
-20
-25
-35
-45
-55
Parameter
Write Cycle
Symbol
tWC
tCW
tAW
tDW
tWP
tAS
tAH
Min
15
13
13
10
13
2
Max
Min
17
15
15
11
15
2
Max
Min
20
15
15
12
15
2
Max
Min
25
17
17
13
17
2
Max
Min
35
25
25
20
25
2
Max
Min
45
35
35
25
35
2
Max
Min
55
50
50
25
40
2
Max Units
Write Cycle Time
ns
ns
ns
ns
ns
ns
ns
ns
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
0
2
0
2
0
3
0
4
0
4
5
5
5
5
1
tOW
1
tWHZ
8
9
11
13
15
20
20
ns
ns
tDH
0
0
0
0
0
0
0
1. This parameter is guaranteed by design but not tested.
2. The Address Setup Time of minimum 2ns is for the G2U, G1U and H1 packages. tAS minimum for the G4T package is 0ns.
FIGURE. 4 – AC TEST CIRCUIT
AC Test Conditions
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
VIL = 0, VIH = 3.0
Unit
V
ns
V
IOL
Current Source
5
1.5
1.5
V
D.U.T.
Ceff = 50 pf
VZ ≈ 1.5V
(Bipolar Supply)
Notes:
V
I
Z is programmable from -2V to +7V.
OL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 Ω.
Z is typically the midpoint of VOH and VOL
OL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
V
I
.
IOH
Current Source
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2016 © 2016 Microsemi Corporation. All rights reserved.
Rev. 22
4
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
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