DS1307+ Dallas Semiconductor, DS1307+ Datasheet - Page 13

• Manufacturer Part Number: DS1307+
• Description: Clock, Real Time; PDIP; 8 Pins; -0.5 to +7.0 V; 0.7 V (Max.); +0.8 V (Max.)
• Manufacturer: Dallas Semiconductor

Specifications of DS1307+

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

Figure 6. Data Read (Write Pointer, Then Read)—Slave Receive and Transmit
TYPICAL OPERATING CIRCUIT
PIN CONFIGURATIONS
S - Start
Sr - Repeated Start
A - Acknowledge (ACK)
P - Stop
A - Not Acknowledge (NACK)
S
<Slave Address>
XXXXXXXX
CPU
V
1101000
CC
<Data(n)>
TOP VIEW
R
PU
R
0
PU
A
= t
A
r
XXXXXXXX
/C
R
GND
<Word Address (n)>
<Data(n+1)>
V
XXXXXXXX
b
PU
X1
X2
BAT
V
PDIP (300 mils)
CC
1
2
3
4
SCL
Slave to master
CRYSTAL
Master to slave
SDA
X1
A XXXXXXXX
8
7
6
5
A
<Data(n+2)>
Sr
DS1307
X2
<Slave Address>
V
SQW/OUT
SCL
SDA
GND
CC
1101000
SQW/OUT
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
V
V
CC
CC
FOLLOWED BY A NOT ACKNOWLEDGE (A) SIGNAL)
A
V
BAT
1
...
A
XXXXXXXX
<Data(n+X)>
DATA TRANSFERRED
13 of 15
A P
GND
V
X1
X2
BAT
DS1307 64 x 8, Serial, I
SO (150 mils)
1
2
3
4
8
7
6
5
V
SQW/OUT
SCL
SDA
CC
2
C Real-Time Clock