UPD43256B-A NEC [NEC], UPD43256B-A Datasheet - Page 5
UPD43256B-A
Manufacturer Part Number
UPD43256B-A
Description
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
Manufacturer
NEC [NEC]
Datasheet
1.UPD43256B-A.pdf
(24 pages)
- Current page: 5 of 24
- Download datasheet (176Kb)
Block Diagram
Truth Table
GND
CS
WE
OE
V
Remark
CC
A14
I/O1
I/O8
A0
|
|
: Don’t care
CS
H
L
L
L
OE
H
L
WE
H
H
L
Output disable
Not selected
Mode
Write
Read
Input data
controller
High impedance
D
I/O
D
OUT
IN
Memory cell array
Column decoder
Address buffer
Sense/Switch
262,144 bits
Supply current
I
I
CCA
SB
PD43256B
Output data
controller
5
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