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參數(shù)資料
| 型號(hào)： | WS1M8-35CI |
| 元件分類： | SRAM |
| 英文描述： | 1M X 8 STANDARD SRAM, 35 ns, CDIP32 |
| 封裝： | SIDE BRAZED, CERAMIC, DIP-32 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 162K |
| 代理商： | WS1M8-35CI |
3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WS1M8-XXX
AC CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -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
tRC
17
20
25
35
45
55
ns
Address Access Time
tAA
17
20
25
35
45
55
ns
Output Hold from Address Change
tOH
00
0
ns
Chip Select Access Time
tACS
17
20
25
35
45
55
ns
Output Enable to Output Valid
tOE2
9
1012
252525
ns
Chip Select to Output in Low Z
tCLZ1
22
2
4
ns
Output Enable to Output in Low Z
tOLZ2
00
0
ns
Chip Disable to Output in High Z
tCHZ1
9
1012
152020
ns
Output Disable to Output in High Z
tOHZ2
9
1012
152020
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
(VCC = 5.0V, VSS = 0V, TA = -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
tWC
17
20
25
35
45
55
ns
Chip Select to End of Write
tCW
14
15
25
35
50
ns
Address Valid to End of Write
tAW
14
15
25
35
50
ns
Data Valid to End of Write
tDW
910
10
20
2525
ns
Write Pulse Width
tWP
14
15
25
35
40
ns
Address Setup Time
tAS
00
0
ns
Address Hold Time
tAH
00
0
5
ns
Output Active from End of Write
tOW1
23
4
5
ns
Write Enable to Output in High Z
tWHZ1
9
10
15
25
ns
Data Hold Time
tDH
00
0
ns
1. This parameter is guaranteed by design but not tested.
I
Current Source
D.U.T.
C
= 50 pf
eff
I
OL
V
≈ 1.5V
(Bipolar Supply)
Z
Current Source
OH
NOTES:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75
.
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.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
VIL = 0, VIH = 3.0
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WS1M8-35CIA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
| WS1M8-35CM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM Module |
| WS1M8-35CMA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
| WS1M8-35DJC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM Module |
| WS1M8-35DJCA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2x512Kx8 DUALITHICTM SRAM |
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