UPD43256BGW-B12-9JL NEC [NEC], UPD43256BGW-B12-9JL Datasheet - Page 6

• Manufacturer Part Number: UPD43256BGW-B12-9JL
• Description: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
• Manufacturer: NEC [NEC]

Block Diagram
Truth Table
Remark
6
I/O1
I/O8
GND
/WE
/OE
/CS
V
A14
CC
A0
/CS
H
L
L
L
: V
IH
/OE
or V
H
L
IL
Address
buffer
/WE
H
H
L
Output disable
Not selected
Data Sheet M10770EJCV0DS00
Mode
Write
Read
decoder
Row
Input data
controller
High impedance
D
I/O
D
Memory cell array
OUT
Sense amplifier /
Switching circuit
Column decoder
IN
Address buffer
262,144 bits
Supply current
I
I
CCA
SB
Output data
controller
PD43256B