參數(shù)資料
型號(hào): UPD43256BGW-B15X-9JL
廠商: NEC Corp.
英文描述: SERVSWITCH DVI KVM CABLE 3
中文描述: 256K位CMOS靜態(tài)RAM 32K的字8位擴(kuò)展工作溫度
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 127K
代理商: UPD43256BGW-B15X-9JL
14
μ
PD43256B-X
Data Sheet M11012EJ4V0DS
Low V
CC
Data Retention Characteristics (T
A
=
25 to +85
°
C)
Parameter
Symbol
Test Condition
MIN.
TYP.
MAX.
Unit
Data retention supply voltage
V
CCDR
/CS
V
CC
0.2 V
2.0
5.5
V
Data retention supply current
I
CCDR
V
CC
= 3.0 V, /CS
V
CC
0.2 V
0.5
20
Note
μ
A
Chip deselection to data retention mode
t
CDR
0
ns
Operation recovery time
t
R
5
ms
Note
2
μ
A (T
A
40
°
C), 7
μ
A (T
A
70
°
C)
Data Retention Timing Chart
V
IH
(MIN.)
V
CCDR
(MIN.)
V
IL
(MAX.)
V
CC
/CS
/CS
V
CC
– 0.2 V
GND
4.5 V
Note
t
CDR
Data retention mode
t
R
Note
A version : 3.0 V, B version : 2.7 V
Remark
The other pins (Address, /OE, /WE, I/O) can be in high impedance state.
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