DS1307 Maxim Integrated Products, DS1307 Datasheet - Page 13

• Manufacturer Part Number: DS1307
• Description: IC RTC SERIAL 512K 8-DIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1307

• Memory Size: 56B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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.
S - Start
Sr - Repeated Start
A - Acknowledge (ACK)
P - Stop
A - Not Acknowledge (NACK)
S
<Slave Address>
XXXXXXXX
1101000
<Data(n)>
PACKAGE TYPE
0
8 PDIP
A
8 SO
A
XXXXXXXX
<Word Address (n)>
<Data(n+1)>
XXXXXXXX
Slave to master
Master to slave
A XXXXXXXX
A
<Data(n+2)>
Sr
<Slave Address>
1101000
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
FOLLOWED BY A NOT ACKNOWLEDGE (A) SIGNAL)
A
1
...
PACKAGE CODE
A
XXXXXXXX
<Data(n+X)>
DATA TRANSFERRED
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—
A P
DS1307 64 x 8, Serial, I
DOCUMENT NO.
21-0043
21-0041
2
C Real-Time Clock