WS512K32BV-XXXE Ver la hoja de datos (PDF) - White Electronic Designs Corporation
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WS512K32BV-XXXE Datasheet PDF : 8 Pages
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White Electronic Designs
WS512K32BV-XXXE
Parameter
Read Cycle
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
1. This parameter is guaranteed by design but not tested.
*Advanced information.
AC CHARACTERISTICS
(VCC = 3.3V, TA = -40°C to +85°C)
Symbol
tRC
tAA
tOH
tACS
tOE
tCLZ1
tOLZ1
tCHZ1
tOHZ1
-15*
Min
Max
15
15
0
15
7
2
0
7
7
-17
Min
Max
17
17
0
17
8
2
0
8
8
AC CHARACTERISTICS
(VCC = 3.3V, TA = -40°C to +85°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
1. This parameter is guaranteed by design but not tested.
*Advanced information.
Symbol
tWC
tCW
tAW
tDW
tWP
tAS
tAH
tOW1
tWHZ1
tDH
-15*
Min
Max
15
10
10
8
12
0
0
2
8
0
-17
Min
Max
17
12
12
9
14
0
0
3
8
0
-20
Min
Max
20
20
0
20
10
2
0
10
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
-20
Min
Max
20
14
14
10
14
0
0
3
9
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TEST CIRCUIT
IOL
Current Source
D.U.T.
Ceff = 50 pf
IOH
Current Source
VZ 1.5V
(Bipolar Supply)
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Typ
VIL = 0, VIH = 2.5
5
Input and Output Reference Level 1.5
Output Timing Reference Level
1.5
NOTES:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 ý.
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.
Unit
V
ns
V
V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
December, 1999
Rev. 2
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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