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參數(shù)資料
| 型號(hào)： | WSF128K32-90H2M |
| 英文描述： | 128KX32 SRAM/FLASH MODULE |
| 中文描述： | 128KX32的SRAM /閃存模塊 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 451K |
| 代理商： | WSF128K32-90H2M |
3
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WSF128K32-XH2X
October 2004
Rev. 4
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
PRELIMINARY
I
Current Source
D.U.T.
C = 50 pf
eff
I
OL
V ≈ 1.5V
(Bipolar Supply)
Z
Current Source
OH
SRAM AC CHARACTERISTICS
V
CC
= 5.0V, -55°C
≤
T
A
≤
+125°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.
Symbol
-25
Units
Min
25
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
25
0
25
15
3
0
12
12
SRAM AC CHARACTERISTICS
V
CC
= 5.0V, -55°C
≤
T
A
≤
+125°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 from Write Time
1. This parameter is guaranteed by design but not tested.
Symbol
-25
Units
Min
25
20
20
15
20
3
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
15
0
FIGURE 2 – AC TEST CIRCUIT
AC Test Conditions
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Notes:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75 .
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.
Typ
Unit
V
ns
V
V
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WSF128K32-90H2MA | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:128KX32 SRAM/FLASH MODULE |
| WSF128K32-XH2X | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:128KX32 SRAM/FLASH MODULE |
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