參數(shù)資料
型號(hào): HN58C257AT-85
廠商: Hitachi,Ltd.
英文描述: 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
中文描述: 256k的EEPROM(32 KWord的× 8位)就緒/忙和RES功能(HN58C257A)
文件頁(yè)數(shù): 3/25頁(yè)
文件大?。?/td> 126K
代理商: HN58C257AT-85
HN58C256A Series, HN58C257A Series
3
Pin Description
Pin name
Function
A0 to A14
Address input
I/O0 to I/O7
OE
CE
WE
Data input/output
Output enable
Chip enable
Write enable
V
CC
V
SS
RDY/
Busy
*
1
RES
*
1
Power supply
Ground
Ready busy
Reset
NC
Note:
No connection
1. This function is supported by only the HN58C257A series.
Block Diagram
Note:
This function is supported by only the HN58C257A series.
V
V
OE
CE
WE
A5
A0
to
A6
to
A14
CC
SS
I/O0
I/O7
High voltage generator
Control logic and timing
Y decoder
X decoder
Address
buffer and
latch
I/O buffer
and
input latch
Y gating
Memory array
Data latch
RES
RDY/
Busy
RES
*
1
*
1
*
1
to
相關(guān)PDF資料
PDF描述
HN58C256AP-85 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
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HN58C257A 256 k EEPROM (32-kword ×8-bit)(256k EEPROM (32k字 ×8位))
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