
DS1374
I2C, 32-Bit Binary Counter Watchdog RTC with
Trickle Charger and Reset Input/Output
6
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OUTPUTS
VCC
VPF(MAX)
INPUTS
HIGH-Z
RST
DON'T CARE
VALID
RECOGNIZED
VALID
VPF(MIN)
tRST
tRPU
tR
tF
VPF
Figure 3. Power-Up/Power-Down Timing
tRST
PBDB
RST
Figure 2. Pushbutton Reset Timing
SDA
SCL
tHD:STA
tLOW
tHIGH
tR
tF
tBUF
tHD:DAT
tSU:DAT
REPEATED
START
tSU:STA
tHD:STA
tSU:STO
tSP
STOP
START
Figure 1. Data Transfer on I2C Serial Bus