DS1306N View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

DS1306N

Serial Alarm Real-Time Clock

Maxim Integrated 

www.maxim-ic.com

DS1306

Serial Alarm Real-Time Clock

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

§ Supports Motorola SPI™ (Serial Peripheral

Interface) Modes 1 and 3 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

PIN CONFIGURATIONS

VCC2

VBAT

X1

N.C.

X2

N.C.

INT0

INT1

1Hz

GND

1

20

2

19

3

18

4

17

5

16

6

15

7

14

8

13

9

12

10

11

TSSOP (4.4mm)

VCC1

N.C.

32kHz

VCCIF

SDO

SDI

SCLK

N.C.

CE

SERMODE

VCC2

1

VBAT

2

X1 3

X2 4

INT0 5

INT1 6

1Hz 7

GND 8

16

VCC1

15 32kHz

14

VCCIF

13 SDO

12 SDI

11 SCLK

10 CE

9 SERMODE

DIP (300 mils)

Package Dimension Information can be found at:

www.maxim-ic.com/DallasPackInfo

TYPICAL OPERATING CIRCUIT

SPI is a trademark of Motorola, Inc.

1 of 21

REV: 071105

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