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V61C5181024 Datasheet, PDF (5/12 Pages) Mosel Vitelic, Corp – 128K X 8 HIGH SPEED STATIC RAM
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MOSEL VITELIC
Data Retention Characteristics
Symbol Parameter
VDR
VCC for Data Retention
CE1 ³ VCC – 0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
ICCDR
Data Retention Current
CE1 ³ VDR –0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
tCDR
Chip Deselect to Data Retention Time
tR
Operation Recovery Time (see Retention Waveform)
NOTES:
1. tRC = Read Cycle Time
2. TA = +25°C.
V61C5181024
Min.
2.0
Typ.(2)
—
Max.
5.5
Units
V
—
—
150
mA
0
—
—
ns
tRC(1)
—
—
ns
Low VCC Data Retention Waveform (1) (CE1 Controlled)
Data Retention Mode
VCC
4.5V
VDR ³ 2V
tCDR
tR
CE1
2.2V
CE1 ³ VCC – 0.2V
4.5V
2.2V
5181024 07
Low VCC Data Retention Waveform (2) (CE2 Controlled)
Data Retention Mode
VCC
4.5V
VDR ³ 2V
tCDR
tR
CE2
2.2V
CE2 ² 0.2V
4.5V
2.2V
5181024 08
V61C5181024 Rev. 1.1 July 1998
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