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參數(shù)資料
| 型號： | WS128K32N-45G2TMEA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | SRAM |
| 英文描述： | 128K X 32 MULTI DEVICE SRAM MODULE, 45 ns, CQFP68 |
| 封裝： | 22.4 X 22.4 MM, CERAMIC, QFP-68 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 383K |
| 代理商： | WS128K32N-45G2TMEA |
3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WS128K32-XG2TXE
December 2000
Rev. 0
ADVANCED
I
Current Source
D.U.T.
C
= 50 pf
eff
I OL
V
1.5V
(Bipolar Supply)
Z
Current Source
OH
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle
Symbol
-35
-45
-55
Units
Min
Max
Min
Max
Min
Max
Write Cycle Time
tWC
35
45
55
ns
Chip Select to End of Write
25
35
45
ns
Address Valid to End of Write
tAW
25
35
45
ns
Data Valid to End of Write
tDW
20
25
ns
Write Pulse Width
tWP
25
35
45
ns
Address Setup Time
tAS
000
ns
Address Hold Time
tAH
000
ns
Output Active from End of Write
tOW1
000
ns
Write Enable to Output in High Z
tWHZ1
10
15
20
ns
Data Hold Time
tDH
000
ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
Symbol
-35
-45
-55
Units
Min
Max
Min
Max
Min
Max
Read Cycle Time
tRC
35
45
55
ns
Address Access Time
tAA
35
45
55
ns
Output Hold from Address Change
tOH
333
ns
Chip Select Access Time
tACS
35
45
55
ns
Output Enable to Output Valid
tOE
15
20
30
ns
Chip Select to Output in Low Z
tCLZ1
333
ns
Output Enable to Output in Low Z
tOLZ1
000
ns
Chip Disable to Output in High Z
tCHZ1
20
ns
Output Disable to Output in High Z
tOHZ1
12
15
20
ns
1. This parameter is guaranteed by design but not tested.
FIGURE 2 – AC TEST CIRCUIT
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75Ω.
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 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 |
|---|---|
| WS128K32N-45G2TQE | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT |
| WS128K32N-45G2TQEA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT |
| WS128K32N-45H1C | 制造商:Microsemi Corporation 功能描述:128K X 32 SRAM MODULE, 5V, 45NS, NO CONNECT, 66 PGA 1.075" S - Bulk |
| WS128K32N-45H1I | 制造商:Microsemi Corporation 功能描述:128K X 32 SRAM MODULE, 5V, 45NS, NO CONNECT, 66 PGA 1.075" S - Bulk |
| WS128K32N-45H1M | 制造商:Microsemi Corporation 功能描述:128K X 32 SRAM MODULE, 5V, 45NS, NO CONNECT, 66 PGA 1.075" S - Bulk |
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