DS1339A Datasheet, PDF (5/19 Pages) Maxim Integrated Products – Low-Current, I2C, Serial Real-Time Clock

DS1339A
Low-Current, I²C, Serial Real-Time Clock
SDA
tBUF
tF
tLOW
SCL
tHD:STA
STOP START
tR
tHD:DAT
NOTE: TIMING IS REFERENCED TO VIL(MAX) AND VIH(MIN).
tHIGH
tSU:DAT
Figure 1. I²C Timing
t_HD:STA
tSU:STA
REPEATED
START
VCC
VPF
tSP
tSU:STO
SCL
RECOGNIZED
tVCCF
SDA
VALID
Figure 2. Power-Up/Down Timing
DON’T CARE
HIGH IMPEDANCE
tREC
tVCCR
RECOGNIZED
VALID
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