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參數(shù)資料
| 型號(hào)： | UPD448012GY-C10X-MJH |
| 廠(chǎng)商： | NEC Corp. |
| 英文描述： | Hook-Up Wire; Conductor Size AWG:20; No. Strands x Strand Size:7 x 28; Jacket Color:Light Blue; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes |
| 中文描述： | 800萬(wàn)位CMOS靜態(tài)RAM為512k字由16位溫度范圍 |
| 文件頁(yè)數(shù)： | 15/24頁(yè) |
| 文件大?。?/td> | 147K |
| 代理商： | UPD448012GY-C10X-MJH |
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Data Sheet M14466EJ5V0DS
15
μ
PD448012-X
Write Cycle Timing Chart 4 (/LB, /UB Controlled)
t
WC
t
DW
t
DH
Data in
High impedance
Address (Input)
/LB, /UB (Input)
I/O (Input)
High
impedance
CE2 (Input)
t
CW2
t
AW
t
WP
t
WR
/WE (Input)
t
AS
t
BW
/CE1 (Input)
t
CW1
Cautions 1. During address transition, at least one of pins /CE1, CE2, /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 /CE1, /WE, /LB and/or /UB, and a high
level CE2.
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