WS512K16-17DLC Ver la hoja de datos (PDF) - White Electronic Designs => Micro Semi
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WS512K16-17DLC Datasheet PDF : 6 Pages
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White Electronic Designs
WS512K16-XXX
ADVANCED
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
LB#, UB# Access Time
tBA
LB#, UB# Enable to Low Z Output
tBLZ1
LB#, UB# Disable to High Z Output
tBHZ1
1. This parameter is guaranteed by design but not tested.
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
LB#, UB# Valid to End of Write
tBW
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
-17
-20
Min
Max
Min
Max
17
20
17
20
0
0
17
20
10
12
2
5
0
0
9
10
9
10
10
12
0
0
9
10
-25
Min
Max
25
25
0
25
15
5
0
12
12
14
0
12
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
-17
Min
Max
17
14
14
10
14
0
0
0
9
0
14
-20
Min
Max
20
17
17
12
17
0
0
0
10
0
17
-25
Min
Max
25
20
20
15
20
0
0
0
10
0
20
-35
Min
Max
35
35
0
35
20
5
0
15
15
17
0
15
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
-35
Min
Max
35
25
25
20
25
0
0
0
15
0
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TEST CIRCUIT
I OL
Current Source
D.U.T.
Ceff = 50 pf
I OH
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 = 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.
April 1998
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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