DS1338 Maxim, DS1338 Datasheet - Page 5
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DS1338
Manufacturer Part Number
DS1338
Description
The DS1338 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM
Manufacturer
Maxim
Datasheet
1.DS1338.pdf
(16 pages)
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Figure 2. Timing Diagram
Figure 3. Block Diagram
"C" VERSION ONLY
GND
V
SDA
V
SCL
BAT
CC
X1
X2
AND ADDRESS
C
C
SERIAL BUS
INTERFACE
REGISTER
L
L
CONTROL
POWER
and divider
Oscillator
1Hz/4.096kHz/8.192kHz/32.768kHz
CONTROL
DS1338
5 of 16
LOGIC
1Hz
AND CONTROL
USER BUFFER
DS1338 I
CALENDAR,
REGISTERS
BUFFER
(7 BYTES)
CLOCK,
MUX/
(56 X 8)
RAM
2
C RTC with 56-Byte NV RAM
N
SQW/OUT