DS1338_11 Datasheet, PDF (5/16 Pages) Maxim Integrated Products – I2C RTC with 56-Byte NV RAM

Figure 2. Timing Diagram
DS1338 I²C RTC with 56-Byte NV RAM
Figure 3. Block Diagram
X1
X2
"C" VERSION ONLY
V_CC
GND
V_BAT
SCL
SDA
C_L
C_L
POWER
CONTROL
1Hz/4.096kHz/8.192kHz/32.768kHz
MUX/
BUFFER
N
1Hz
Oscillator
and divider
CONTROL
LOGIC
DS1338
RAM
(56 X 8)
CLOCK,
CALENDAR,
AND CONTROL
REGISTERS
SERIAL BUS
INTERFACE
AND ADDRESS
REGISTER
USER BUFFER
(7 BYTES)
SQW/OUT
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