HN58V65A Hitachi Semiconductor, HN58V65A Datasheet - Page 4

• Manufacturer Part Number: HN58V65A
• Description: 64 k EEPROM (8-kword x 8-bit) Ready/Busy function/ RES function (HN58V66A)
• Manufacturer: Hitachi Semiconductor

HN58V65A Series, HN58V66A Series
Pin Description
Pin name
A0 to A12
I/O0 to I/O7
OE
CE
WE
V
V
RDY/Busy
RES*
NC
Notes: 1. This function is supported by only the HN58V66A series.
Block Diagram
Notes: This function is supported by only the HN58V66A series.
CC
SS
V
V
RES
RES
OE
CE
WE
A0
A5
A6
A12
1
to
SS
CC
to
*
*
1
1
Function
Address input
Data input/output
Output enable
Chip enable
Write enable
Power supply
Ground
Ready busy
Reset
No connection
Address
buffer and
latch
High voltage generator
Control logic and timing
X decoder
Y decoder
Memory array
I/O0
Data latch
I/O buffer
and
input latch
Y gating
to
I/O7
RDY/Busy