MSM6542-03RS 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM6542-03RS

REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT

Oki Electric Industry 

¡ Semiconductor

MSM6542-01/02/03

80-xxx

Read mode (ALE is used.)

Rating

CS1 set-up time

Address set-up time

Address hold time

ALE pulse width

ALE before READ

ALE after READ

RD to data

Data hold

CS1 hold time

RD/WR recovery time

(VDD = 5V ±10%, Ta = –40 to +85°C (in the 80 mode for the MSM6542-01/03))

Symbol

tC1S

tAS

tAH

tAW

tALR

tRAL

tRD

tDR

tC1H

tRCV

Condition

–

–

–

–

–

–

CL = 150 pF

–

–

–

Min.

1000

25

25

40

10

20

–

10

1000

100

Typ.

–

–

–

–

–

–

–

–

–

–

Max. Unit

–

ns

–

ns

–

ns

–

ns

–

ns

–

ns

120

ns

45

ns

–

ns

–

ns

CS1

A0 ~ A3

CS0

ALE

RD

D0 ~ D3

(Output)

VIH2

tC1S

tAS

VIH1

VIL1

tAW

VIH1 VIH1

tAH

VIH1

VIL1

tRCV

VIL1

tALR

VIH2

tC1H

VIL1

tRAL

VIH1

VIH1

VIL1

VIL1

tRCV

VIH1

tRD

tDR

VOH

VOL

"Z"

VIH1 = 2.2V

VIL1 = 0.8V

VIH2

=

4

5

VDD

VIL2

=

1

5

VDD

VOH = 2.2V

VOL = 0.8V

77

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