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

• Manufacturer Part Number: DS1339U-33+T&R
• Description: IC RTC I2C W/ALARM 8-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Alarmr

Specifications of DS1339U-33+T&R

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.97 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

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