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參數(shù)資料
| 型號： | MSM521004 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 262,144-Word ×4-Bit CMOS STATIC RAM(256k字×4位靜態(tài)RAM) |
| 中文描述： | 262,144字× 4位的CMOS靜態(tài)RAM（256k字× 4位靜態(tài)RAM）的 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 126K |
| 代理商： | MSM521004 |
1/11
Semiconductor
MSM521004
DESCRIPTION
The MSM521004 is a 262,144-word by 4-bit CMOS fast static RAM featuring a single 5 V power
supply operation and direct TTL input/output compatibility. Since the circuitry is completely static,
external clock and refreshing operations are unnecessary, making this device very easy to use. The
MSM521004 uses NMOS cells and CMOS peripherals and provides high-speed operation at 17 ns
access time. In addition, the MSM521004 is provided with a chip enable signal (
CE
) suited to the
power-down function, an output enable signal (
OE
) suited to the I/O bus line control.
FEATURES
262,144-word
￥
4-bit configuration
Single 5 V power supply
Fully static operation
Operating temperature range: Ta = 0
°
C to 70
°
C
Power dissipation
Standby:
1 mA (Max.)
Operation:
- 17
140 mA (Max.)
- 20
130 mA (Max.)
- 25
120 mA (Max.)
Access time:
- 17
17 ns (Max.)
- 20
20 ns (Max.)
- 25
25 ns (Max.)
(Input/Output) TTL compatible
Power-down function by chip enable signal
3-state output
Package:
28-pin 400 mil plastic SOJ
(SOJ28-P-400-1.27)
(Product : MSM521004-xxJS)
xx indicates speed rank.
PRODUCT FAMILY
262,144-Word
￥
4-Bit CMOS STATIC RAM
MSM521004-17
MSM521004-20
MSM521004-25
Family
Access Time (Max.)
17 ns
20 ns
25 ns
Package
400 mil
28-pin SOJ
E2I0024-17-Y1
This version: Jan. 1998
Previous version: Aug. 1996
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