參數(shù)資料
型號: HN58V257A
廠商: Hitachi,Ltd.
英文描述: 256k EEPROM (32-kword ×8-bit)(256k EEPROM (32k字 ×8位))
中文描述: 256k的EEPROM(32 KWord的× 8位)(256k的EEPROM(32K的字× 8位))
文件頁數(shù): 4/26頁
文件大?。?/td> 170K
代理商: HN58V257A
HN58V256A Series HN58V257A Series
4
Operation Table
Operation
CE
OE
WE
RES
*
3
RDY/
Busy
*
3
I/O
Read
V
IL
V
IH
V
IL
V
IL
×
×
V
IL
×
*
2
V
IH
×
V
H
*
1
×
High-Z
Dout
Standby
High-Z
High-Z
Write
V
IH
V
IH
×
V
IL
V
IH
V
IH
×
V
H
V
H
×
×
High-Z to V
OL
High-Z
Din
Deselect
High-Z
Write inhibit
V
IL
V
IL
×
Data
polling
V
IL
×
V
IH
×
V
H
V
IL
V
OL
High-Z
Data out (I/O7)
Program reset
Notes: 1. Refer to the recommended DC operating condition.
2.
×
: Don’t care
3. This function is supported by only the HN58V267A series.
High-Z
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Supply voltage relative to V
SS
Input voltage relative to V
SS
Operating temperature range*
2
V
CC
Vin
–0.6 to +7.0
V
–0.5*
1
to +7.0*
3
V
Topr
0 to +70
°
C
°
C
Storage temperature range
Notes: 1. Vin min = –3.0 V for pulse width
50 ns
2. Including electrical characteristics and data retention
3. Should not exceed V
CC
+ 1.0 V.
Tstg
–55 to +125
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