HM628128A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HM628128A Datasheet PDF : 13 Pages
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HM628128A Series
Block Diagram
(MSB)
A13
A15
A6
A7
A12
A14
A16
A5
A4
(LSB)
•
•
•
Row
•
Decoder •
Memory Matrix
512 x 2,048
V CC
V SS
I/O0
I/O7
CS2
CS1
WE
OE
•
Column I/O
•
•
•
Input
Data
Control
Column Decoder
(LSB) A8 A9 A11 A10 A0 A1 A2 A3 (MSB)
••
Timing Pulse Generator
Read/Write Control
Function Table
CS1 CS2 OE WE
H
X
X
X
X
L
X
X
L
H
H
H
L
H
L
H
L
H
H
L
L
H
L
L
Note: X: H or L
Mode
Standby
Standby
Output disable
Read
Write
Write
VCC current
ISB, ISB1
ISB, ISB1
ICC
ICC
ICC
ICC
I/O pin
High-Z
High-Z
High-Z
Dout
Din
Din
Ref. cycle
—
—
—
Read cycle
Write cycle (1)
Write cycle (2)
4
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