V62C31864 查看數據表（PDF） - Mosel Vitelic Corporation

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V62C31864

2.7 VOLT 8K X 8 STATIC RAM

Mosel Vitelic Corporation  

MOSEL VITELIC

V62C31864

Data Retention Characteristics

Symbol Parameter

Min. Typ.(2) Max. Units

VDR

VCC for Data Retention CE1 ³ VCC – 0.2V, CE2 £ 0.2V,

VIN ³ VCC – 0.2V, or VIN £ 0.2V

2.0

—

3.6

V

ICCDR

Data Retention Current

CE1 ³ VDR – 0.2V, CE2 £ 0.2V,

VIN ³ VCC – 0.2V, or VIN £ 0.2V

Com’l

L

—

0.5

40

mA

LL

—

0.5

10

Ind.

L

—

—

45

LL

—

—

15

tCDR

Chip Deselect to Data Retention Time

tR

Operation Recovery Time (see Retention Waveform)

NOTES:

1. tRC = Read Cycle Time

2. TA = +25°C.

0

—

—

ns

tRC(1)

—

—

ns

Low VCC Data Retention Waveform (1) (CE1 Controlled)

Data Retention Mode

VCC

2.7V

VDR ³ 2V

tCDR

tR

CE1

2.2V

CE1 ³ VCC – 0.2V

2.7V

2.2V

31864 14

Low VCC Data Retention Waveform (2) (CE2 Controlled)

Data Retention Mode

VCC

2.7V

VDR ³ 2V

tCDR

tR

CE2

2.2V

CE2 ² 0.2V

2.7V

2.2V

31864 15

V62C31864 Rev. 1.6 August 1998

5

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