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HN58S256AT-20 查看數據表(PDF) - Hitachi -> Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
HN58S256AT-20
256 k EEPROM (32-kword × 8-bit)
Hitachi -> Renesas Electronics
HN58S256AT-20 Datasheet PDF : 17 Pages
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Block Diagram
V
CC
High voltage generator
V
SS
OE
CE
Control logic and timing
WE
A0
to
A5
A6
to
A14
Address
buffer and
latch
Y decoder
X decoder
HN58S256A Series
I/O0
to
I/O7
I/O buffer
and
input latch
Y gating
Memory array
Data latch
Operation Table
Operation
CE
OE
WE
Read
V
IL
V
IL
V
IH
Standby
V
IH
×
*
2
×
Write
V
IL
V
IH
V
IL
Deselect
V
IL
V
IH
V
IH
Write inhibit
×
×
V
IH
×
V
IL
×
Data
polling
V
IL
V
IL
V
IH
Notes: 1. Refer to the recommended DC operating condition.
2.
×
= Don’t care
I/O
Dout
High-Z
Din
High-Z
—
—
Data out (I/O7)
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