參數(shù)資料
型號: UPD43257BCZ-70L
廠商: NEC Corp.
英文描述: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
中文描述: 256K位CMOS靜態(tài)RAM 32K的詞8位
文件頁數(shù): 14/20頁
文件大?。?/td> 157K
代理商: UPD43257BCZ-70L
Data Sheet M10693EJ7V0DS00
14
μ
PD43257B
Low V
CC
Data Retention Characteristics (T
A
= 0 to 70
°
C)
Parameter
Symbol
Test Condition
μ
PD43257B-xxL
μ
PD43257B-xxLL
Unit
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
Data retention
supply voltage
V
CCDR1
/CE1
V
CC
0.2 V,
CE2
V
CC
0.2 V
2.0
5.5
2.0
5.5
V
V
CCDR2
CE2
0.2 V
2.0
5.5
2.0
5.5
Data retention
supply current
I
CCDR1
V
CC
= 3.0 V, /CE1
V
CC
0.2 V,
CE2
V
CC
0.2 V
0.5
20
Note1
0.5
7
Note2
μ
A
I
CCDR2
V
CC
= 3.0 V, CE2
0.2 V
0.5
20
Note1
0.5
7
Note2
Chip deselection
to data retention mode
t
CDR
0
0
ns
Operation recovery time
t
R
5
5
ms
Notes 1.
3
μ
A (T
A
40
°
C)
2.
2
μ
A (T
A
40
°
C), 1
μ
A (T
A
25
°
C)
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