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HM9264B Datasheet, PDF (3/14 Pages) Hitachi Semiconductor – 64 k SRAM (8-kword x 8-bit)
Block Diagram
A11
A8
A9
A7
A12
A5
A6
A4
I/O1
I/O8
CS2
CS1
WE
OE
HM9264B Series
VCC
Row
Memory array
decoder
256 × 256
VSS
Input
data
control
Column I/O
Column decoder
A1 A2 A0 A10 A3
Timing pulse generator
Read, Write control