MSM62X42B Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM62X42B

REAL TIME CLOCK IC WITH BUILT-IN CRYSTAL

Oki Electric Industry 

¡ Semiconductor

MSM62X42B

Switching Characteristics

WRITE mode (ALE = VDD)

Parameter

CS1 Set up Time

CS1 Hold Time

Address Stable Before WRITE

Address Stable After WRITE

WRITE Pulse Width

Data Set up Time

Data Hold Time

RD/WR Recovery Time

Symbol

tC1S

tC1H

tAW

tWA

tWW

tDS

tDH

tRCV

(VDD = 5V ± 10%, Ta = –40 to +85°C)

Conditions

Min.

Max.

Unit

—

1000

—

—

1000

—

—

20

—

—

10

—

ns

—

120

—

—

100

—

—

10

—

—

60

—

CS1

A0~A3

CS0

WR

D0~D3

(INPUT)

VIH2

t C1S

VIH1

VIL1

t Aw

VIH1

t ww

t wA

VIL1

VIL1

VIH1

t RCV

t DH

t DS

VIH1 VIH1

VIL1 VIL1

VIH2

t C1H

VIH1

VIL1

VIH1

VIH1 = 2.2V

VIL1 = 0.8V

VIH2 = 4/5 VDD

VIL2 = 1/5 VDD

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