DS1339U-33/T&R Maxim Integrated Products, DS1339U-33/T&R Datasheet - Page 6

• Manufacturer Part Number: DS1339U-33/T&R
• Description: Real Time Clock I2C-Compatible Real- Time Clock I2C SOIC
• Manufacturer: Maxim Integrated Products

Specifications of DS1339U-33/T&R

• Function: Clock, Calendar, Alarm, Trickle Charger
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: uSOP
• Time Format: HH:MM:SS

Figure 2. Timing Diagram
Figure 3. Block Diagram
"C" version only
V
BACKUP
GND
SDA
SCL
V
CC
X
X
1
2
INTERFACE AND
C
C
Power Control
SERIAL BUS
L
L
REGISTER
ADDRESS
Oscillator
divider
and
1Hz/4.096kHz/8.192kHz/32.768kHz
CONTROL
DS1339
LOGIC
6 of 20
1Hz
CHARGE, AND
USER BUFFER
REGISTERS
CLOCK AND
REGISTERS
CALENDAR
BUFFER
CONTROL
(7 BYTES)
TRICKLE
ALARM,
MUX/
DS1339 I
N
2
C Serial Real-Time Clock
SQW/INT