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UPD43256BGU-70LL-A Просмотр технического описания (PDF) - NEC => Renesas Technology
Номер в каталоге
Компоненты Описание
производитель
UPD43256BGU-70LL-A
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 85ns
NEC => Renesas Technology
UPD43256BGU-70LL-A Datasheet PDF : 28 Pages
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μ
PD43256B
Write Cycle Timing Chart 2 (/CS Controlled)
Address (Input)
/CS (Input)
/WE (Input)
t
WC
t
AS
t
CW
t
AW
t
WP
t
WR
I/O (Input)
High impedance
t
DW
Data in
t
DH
High
impedance
Cautions 1. /CS or /WE should be fixed to high level during address transition.
2. When I/O pins are in the output state, therefore the input signals must not be applied to
the output.
Remark
Write operation is done during the overlap time of a low level /CS and a low level /WE.
16
Data Sheet M10770EJEV0DS
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