Data Sheet
Table Of Contents
- TYPICAL OPERATING CIRCUIT
- PIN CONFIGURATIONS
- ORDERING INFORMATION
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED DC OPERATING CONDITIONS
- (TA = 0 C to +70 C, TA = -40 C to +85 C.) (Notes 1, 2)
- DC ELECTRICAL CHARACTERISTICS
- (VCC = 4.5V to 5.5V; TA = 0 C to +70 C, TA = -40 C to +85 C.) (Notes 1, 2)
- DC ELECTRICAL CHARACTERISTICS
- (VCC = 0V, VBAT = 3.0V; TA = 0 C to +70 C, TA = -40 C to +85 C.) (Notes 1, 2)
- AC ELECTRICAL CHARACTERISTICS
- (VCC = 4.5V to 5.5V; TA = 0 C to +70 C, TA = -40 C to +85 C.)
- CAPACITANCE
- (TA = +25 C)
- 64 x 8, Serial, I2C Real-Time Clock
- SYMBOL
- TIMING DIAGRAM
- RS1
DS1307 64 x 8, Serial, I
2
C Real-Time Clock
AXXXXXXXX
1101000
S
XXXXXXXX A XXXXXXXX XXXXXXXX A P
<Slave Address> <Word Address (n)> <Slave Address>
S - Start
Sr - Repeated Start
A - Acknowledge (ACK)
P - Stop
A - Not Acknowledge (NACK)
<RW>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
FOLLOWED BY A NOT ACKNOWLEDGE (A) SIGNAL)
Master to slave
Slave to master
...
A
XXXXXXXX
A0
1101000
Sr A
1
<Data(n)> <Data(n+1)> <Data(n+2)> <Data(n+X)>
<RW>
A
Figure 6. Data Read (Write Pointer, Then Read)—Slave Receive and Transmit
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
8 PDIP — 21-0043
8 SO — 21-0041
13 of 14