參數(shù)資料
型號(hào): UPD43256BGW-B15X-9JL
元件分類(lèi): SRAM
英文描述: 32K X 8 STANDARD SRAM, 150 ns, PDSO28
封裝: 8 X 13.40 MM, PLASTIC, TSOP1-28
文件頁(yè)數(shù): 6/20頁(yè)
文件大?。?/td> 269K
代理商: UPD43256BGW-B15X-9JL
14
μPD43256B-X
Data Sheet M11012EJ7V0DS
Low VCC Data Retention Characteristics (TA =
25 to +85 °C)
Parameter
Symbol
Test Condition
MIN.
TYP.
MAX.
Unit
Data retention supply voltage
VCCDR
/CS
≥ VCC 0.2 V
2.0
5.5
V
Data retention supply current
ICCDR
VCC = 3.0 V, /CS
≥ VCC 0.2 V
0.5
20
Note
μA
Chip deselection to data retention mode
tCDR
0
ns
Operation recovery time
tR
5
ms
Note 2
μA (TA 40 °C), 7 μA (TA 70 °C)
Data Retention Timing Chart
VIH (MIN.)
VCCDR (MIN.)
VIL (MAX.)
VCC
/CS
≥ VCC – 0.2 V
GND
4.5 V
Note
tCDR
Data retention mode
tR
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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