Rainbow Electronics DS1375 - Manual (Page 4)

I CCS vs. V CC
DS1375 toc01
V CC (V)
SUPPlY CURRENT (nA)
5.2 4.7 4.2 3.7 3.2 2.7 2.2
100
150
200
250
300
50
1.7
I CCA vs. V CC
SUPPLY CURRENT (
µ
A)
10
20
30
40
50
60
70
80
90
100
0
DS1375 toc02
V CC (V)
5.2 4.7 4.2 3.7 3.2 2.7 2.2 1.7
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
DS1375
2-Wire Digital Input RTC with Alarm
4 _____________________________________________________________________
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 2-Wire Serial Bus
SERIAL BUS
INTERFACE AND
ADDRESS
REGISTER
DIVIDER
CONTROL
LOGIC
CLK
SCL
SDA
8192Hz/4096Hz/1024Hz/1Hz MUX/
BUFFER
SQW/INT
USER BUFFER
(7 BYTES)
CLOCK AND
CALENDAR
REGISTERS
ALARM AND
CONTROL
REGISTERS
SRAM
1Hz
DS1375
Figure 2. Functional Diagram