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參數(shù)資料
| 型號： | UPD442002-X |
| 廠商： | NEC Corp. |
| 英文描述： | 2M-BIT CMOS STATIC RAM 128K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION |
| 中文描述： | 200萬位CMOS靜態(tài)RAM 128K的字由16位溫度范圍 |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 281K |
| 代理商： | UPD442002-X |
Data Sheet M14670EJ7V
1
DS
14
μ
PD442002-X
Write Cycle Timing Chart 2 (/CS Controlled)
t
WC
t
AS
t
CW
t
DW
t
DH
Data in
High-Z
Address (Input)
/CS (Input)
/LB, /UB (Input)
I/O (Input)
High-Z
t
AW
t
WP
t
WR
/WE (Input)
t
BW
Cautions 1. During address transition, at least one of pins /CS, /WE should be inactivated.
2. Do not input data to the I/O pins while they are in the output state.
Remark
Write operation is done during the overlap time of a low level /CS, a low level /WE and a low level /LB (or
low level /UB).
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