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参数资料
| 型号： | WS512K32BV-XXXE |
| 英文描述： | 512Kx32 3.3V SRAM MODULE |
| 中文描述： | 512Kx32 3.3V的静态存储器模块 |
| 文件页数： | 4/8页 |
| 文件大小： | 342K |
| 代理商： | WS512K32BV-XXXE |
WS512K32BV-XXXE
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
December, 1999
Rev. 2
AC TEST CIRCUIT
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75 y.
V
Z
is typically the midpoint of V
OH
and V
OL
.
I
OL
& I
OH
are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
Current Source
D.U.T.
C
eff
= 50 pf
I
OL
I
OH
V
Z
1.5V
(Bipolar Supply)
Current Source
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
V
IL
= 0, V
IH
= 2.5
5
1.5
1.5
Unit
V
ns
V
V
AC CHARACTERISTICS
(V
CC
= 3.3V, T
A
= -40°C to +85°C)
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.
Symbol
-15*
-17
-20
Units
Min
15
Max
Min
17
Max
Min
20
Max
t
RC
t
AA
t
OH
t
ACS
t
OE
t
CLZ
1
t
OLZ
1
t
CHZ
1
t
OHZ
1
ns
ns
ns
ns
ns
ns
ns
ns
ns
15
17
20
0
0
0
15
7
17
8
20
10
2
0
2
0
2
0
7
7
8
8
10
10
AC CHARACTERISTICS
(V
CC
= 3.3V, T
A
= -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
-15*
-17
-20
Units
Min
15
10
10
8
12
0
0
2
Max
Min
17
12
12
9
14
0
0
3
Max
Min
20
14
14
10
14
0
0
3
Max
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
AH
t
OW
1
t
WHZ
1
t
DH
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
8
9
0
0
0
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