WS512K32V-XXX Просмотр технического описания (PDF) - White Electronic Designs Corporation
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WS512K32V-XXX Datasheet PDF : 7 Pages
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White Electronic Designs
WS512K32V-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 = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
-15
Min
Max
15
15
0
15
8
1
0
8
8
-17
Min
Max
17
17
0
17
8
1
0
8
8
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
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
-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
-20
Min
Max
20
20
0
20
10
1
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
IOL
Current Source
D.U.T.
Ceff = 50 pf
IOH
Current Source
March 2006
Rev. 12
AC TEST CIRCUIT
AC Test Conditions
VZ ≈ 1.5V
(Bipolar Supply)
Parameter
Typ
Unit
Input Pulse Levels
VIL = 0, VIH = 2.5
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.
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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