MSM6242B 데이터 시트보기 (PDF) - Oki Electric Industry

부품명

상세내역

제조사

MSM6242B

DIRECT BUS CONNECTED CMOS REAL TIME CLOCK/CALENDAR

Oki Electric Industry 

MSM6242B

(4) READ mode (With use of ALE)

Parameter

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

Symbol

tC1S

tAS

tAH

tAW

tALR

tRAL

tRD

tDR

tC1H

tRCV

Condition

—

—

—

—

—

—

CL = 150pF

—

—

—

¡ Semiconductor

(VDD = 5V ± 10%, Ta = -40 to +85°C)

Min.

Max.

Unit

1000

—

25

—

25

—

40

—

10

—

ns

10

—

—

120

0

—

1000

—

60

—

CS1

A0 ~ A3

CS0

ALE

RD

D0 ~ D3

(OUTPUT)

VIH2 –

VIH1 –

VIL1 –

tC1S ,,

tAS

,,,,,, ,,,

VIH1 –

tAW

VIL1,,–

VIH1 –

,,,,

,,,

VIL1 –

VOH –

,,,,

VOL –

tAH

,,,, tC1H

,,,

tALR

tRD

,,,

,,,

tRAL

,t,D,R,,,,t,R,C,,V,,,,,

,,

,,,,,,,,

VIH1 = 2.2V

VIL1 = 0.8V

VIH2 = 4/5VDD

VIL2 = 1/5VDD

VOH = 2.2V

VOL = 0.8V

"Z"

Figure 7. Read Cycle — (With Use of ALE)

30

Share Link: