DS1391(2004) 查看數據表（PDF） - Maxim Integrated

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DS1391
(Rev.:2004)

Low-Voltage SPI/3-Wire RTCs with Trickle Charger

Maxim Integrated 

Low-Voltage SPI/3-Wire RTCs with

Trickle Charger

CE

tCC

tR

tF

SCLK

tCDH

tCL

tCH

tCDZ

tDC

tCDD

I/O

A0

A1

R/W

D0

D7

WRITE ADDRESS BYTE

Figure 3. Timing Diagram—3-Wire Read Transfer

READ DATA BYTE

CE

SCLK

tDC

I/O

tCC

tCDH

A0

tR

tCL

tCH

A1

tF

R/W

WRITE ADDRESS BYTE

Figure 4. Timing Diagram—3-Wire Write Transfer

tCWH

tCCH

D0

D7

WRITE DATA BYTE

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