Rainbow Electronics DS1306 - Manual

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FEATURES
§ Real-time clock (RTC) counts seconds,
minutes, hours, date of the month, month,
day of the week, and year with leap-year
compensation valid up to 2100
§ 96-byte, battery-backed NV RAM for data
storage
§ Two time-of-day alarms, programmable on
combination of seconds, minutes, hours, and
day of the week
§ 1Hz and 32.768kHz clock outputs
§ Serial interface supports Motorola SPI ™
(serial peripheral interface) serial data ports
or standard 3-wire interface
§ Burst mode for reading/writing successive
addresses in clock/RAM
§ Dual-power supply pins for primary and
backup power supplies
§ Optional trickle charge output to backup
supply
§ 2.0V to 5.5V operation
§ Optional industrial temperature range:
-40°C to +85°C
§ Available in space-efficient, 20-pin TSSOP
package
§ Underwriters Laboratory (UL) recognized
ORDERING INFORMATION
DS1306 16-Pin DIP (300mil)
DS1306N 16-Pin DIP (Industrial)
DS1306E 20-Pin TSSOP (4.4mm)
DS1306EN 20-Pin TSSOP (Industrial)
PIN ASSIGNMENT
Package Dimension Information
http://www.maxim-ic.com/TechSupport/DallasPackInfo.htm
DS1306 20-Pin TSSOP (4.4mm)
V
CC2
V
BAT
X1
NC
X2
NC
INT0
INT1
1Hz
GND
V
CC1
NC
32kHz
V
CCIF
SDO
SDI
SCLK
NC
CE
SERMODE
20
19
18
17
16
15
14
13
12
11 1
2
3
4
5
6
7
8
9
10
V
CC2
DS1306 16-Pin DIP (300mil)
15
X1
INT0
1Hz
GND
V
CC1
SDO
SDI
SCLK
CE
SERMODE
1
2
3
4
5
6
7
8
16
14
13
12
11
10
9
V
BAT
X2
INT1
32kHz
V
CCIF
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DS1306
Serial Alarm Real-Time Clock
SPI is a trademark of Motorola, Inc.
TYPICAL OPERATING CIRCUIT