Rainbow Electronics DS1374 - Manual (Page 6)

DS1374
I 2 C, 32-Bit Binary Counter Watchdog RTC with
Trickle Charger and Reset Input/Output
6 _____________________________________________________________________
OUTPUTS
V CC
V
PF(MAX)
INPUTS
HIGH-Z
RST
DON'T CARE
VALID
RECOGNIZED RECOGNIZED
VALID
V
PF(MIN)
tRST
tRPU
tR tF
V PF V PF
Figure 3. Power-Up/Power-Down Timing
t RST PB DB
RST
Figure 2. Pushbutton Reset Timing
SDA
SCL
t HD:STA
t LOW
t HIGH
t R t F
t BUF
t HD:DAT
t SU:DAT REPEATED
START
t SU:STA
t HD:STA
t SU:STO
t SP
STOP START
Figure 1. Data Transfer on I 2 C Serial Bus