V62C51864 Просмотр технического описания (PDF) - Mosel Vitelic Corporation

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производитель

V62C51864

8K X 8 STATIC RAM

Mosel Vitelic Corporation  

MOSEL VITELIC

V62C51864

Data Retention Characteristics

Symbol

VDR

ICCDR

Parameter

VCC for Data Retention

CE1 ³ VCC – 0.2V, CE2 £ 0.2V,

VIN ³ VCC – 0.2V, or VIN £ 0.2V

Data Retention Current

CE1 ³ VDR – 0.2V, CE2 £ 0.2V,

VIN ³ VCC – 0.2V, or VIN £ 0.2V

Com’l

Ind.

tCDR

Chip Deselect to Data Retention Time

tR

Operation Recovery Time (see Retention Waveform)

NOTES:

1. tRC = Read Cycle Time

2. TA = +25°C.

Power Min. Typ.(2) Max. Units

2.0

—

5.5

V

L

—

0.5

50

mA

LL

—

0.5

10

L

—

—

70

LL

—

—

20

0

—

—

ns

RtC(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

51864 14

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

51864 15

V62C51864 Rev. 2.1 June 1998

5

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