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參數(shù)資料
| 型號： | WS1M8-17CC |
| 英文描述： | x8 SRAM Module |
| 中文描述： | x8的SRAM模塊 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 162K |
| 代理商： | WS1M8-17CC |
3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WS1M8-XXX
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55
°
C to +125
°
C)
Parameter
Symbol
-17
-20
-25
-35
-45
-55
Units
Read Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
17
20
25
35
45
55
ns
Address Access Time
t
AA
17
20
25
35
45
55
ns
Output Hold from Address Change
t
OH
0
0
0
0
0
0
ns
Chip Select Access Time
t
ACS
17
20
25
35
45
55
ns
Output Enable to Output Valid
t
OE
2
9
10
12
25
25
25
ns
Chip Select to Output in Low Z
t
CLZ
1
2
2
2
4
4
4
ns
Output Enable to Output in Low Z
t
OLZ
2
0
0
0
0
0
0
ns
Chip Disable to Output in High Z
t
CHZ
1
9
10
12
15
20
20
ns
Output Disable to Output in High Z
t
OHZ
2
9
10
12
15
20
20
ns
1. This parameter is guaranteed by design but not tested.
2. OE is internally tied to the GND and not accessible on the WS1M8-XCX.
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55
°
C to +125
°
C)
Parameter
Symbol
-17
-20
-25
-35
-45
-55
Units
Write Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
t
WC
17
20
25
35
45
55
ns
Chip Select to End of Write
t
CW
14
14
15
25
35
50
ns
Address Valid to End of Write
t
AW
14
14
15
25
35
50
ns
Data Valid to End of Write
t
DW
9
10
10
20
25
25
ns
Write Pulse Width
t
WP
14
14
15
25
35
40
ns
Address Setup Time
t
AS
0
0
0
0
0
0
ns
Address Hold Time
t
AH
0
0
0
0
5
5
ns
Output Active from End of Write
t
OW
1
2
3
4
4
5
5
ns
Write Enable to Output in High Z
t
WHZ
1
9
9
10
15
15
25
ns
Data Hold Time
t
DH
0
0
0
0
0
0
ns
1. This parameter is guaranteed by design but not tested.
I
Current Source
D.U.T.
C = 50 pf
I
OL
V
≈
1.5V
(Bipolar Supply)
Z
Current Source
OH
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z
0
= 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.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
Unit
V
ns
V
V
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WS1M8-17CI | x8 SRAM Module |
| WS1M8-17CM | x8 SRAM Module |
| WS1M8-17DJC | x8 SRAM Module |
| WS1M8-17DJI | x8 SRAM Module |
| WS1M8-17DJM | x8 SRAM Module |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WS1M8-17CCA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
| WS1M8-17CI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM Module |
| WS1M8-17CIA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
| WS1M8-17CM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM Module |
| WS1M8-17CMA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
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