MSM6542-01RS Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM6542-01RS

REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT

Oki Electric Industry 

MSM6542-01/02/03

68-xxx

Rating

CS1 set-up time

R/W address set-up time

E 'H' pulse width

R/W address hold time

E 'L' pulse width

E cycle time

Data set-up time

WRITE data hold time

E to data

READ data hold time

CS1 hold time

¡ Semiconductor

(VDD = 5V ±10%, Ta = 0°C to +70°C (in the 86 mode for the MSM6542-02/03))

Symbol

tC1S

tRWE

tEHW

tERW

tELW

tEC

tDS

tDHW

tRD

tDHR

tC1H

Condition

–

–

–

–

–

–

–

–

CL = 150 pF

–

–

Min.

1000

100

220

20

220

500

180

20

–

10

1000

Typ.

–

–

–

–

–

–

–

–

–

–

–

Max. Unit

–

ns

–

ns

–

ns

–

ns

–

ns

–

ns

–

ns

–

ns

120

ns

–

ns

–

ns

78

WRITE mode

CS1

VIH2

R/W

tC1S

VIL1

VIH1 = 2.2V

VIL1 = 0.8V

VIH2 =

4

5

VDD

VIL2 =

1

5

VDD

VOH = 2.2V

VOL = 0.8V

VIH2

tC1H

VIL1

CS0

A0 ~ A3

E

D0 to D3

VVIIHL11

VVIIHL11

tRWE

tEHW

tERW

tELW

VIL1

VIH1

VIH1

VIL1

VIL1

tDS

VVIIHL11

Input data

VVIIHL11

tEC

tDHW

READ mode

CS1

VIH2

tC1S

tC1H

VIH2

R/W

VIH1

VIH1

CS0

A0 ~ A3

E

D0 to D3

VVIIHL11

VVIIHL11

tRWE

tEHW

tERW

tELW

VIL1

VIH1

VIH1

VIL1

VIL1

tRD

tDHR

VVOOHL Output data VVOOHL

tEC

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