Product Summary

The DS1337 is a low-power clock/calendar with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C* bus. The DS1337 provides seconds, minutes, hours, day, date, month, and year information. The applications of the DS1337 are Handhelds (GPS, POS Terminal, MP3 Player), Consumer Electronics (Set-Top Box, VCR/Digital Recording), Office Equipment (Fax/Printer, Copier), Medical (Glucometer, Medicine Dispenser), Telecommunications (Router, Switch, Server) and Other (Utility Meter, Vending Machine, Thermostat, Modem).

Parametrics

DS1337 absolute maximum ratings: (1)Voltage Range on Any Pin Relative to Ground:-0.3V to +6.0V ; (2)Operating Temperature Range (Noncondensing):-40℃ to +85℃; (3)Storage Temperature Range:-55℃ to +125℃.

Features

DS1337 features: 1)Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100; (2)I2C Serial Interface; (3)Two Time-of-Day Alarms; (4)Oscillator Stop Flag; (5)Programmable Square-Wave Output Defaults to 32kHz on Power-Up; (6)Available in 8-Pin DIP, SO, or μSOP; (7)-40℃ to +85℃ Operating Temperature Range.

Diagrams

DS1337 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS1337
DS1337

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-6900: $0.87
DS1337+
DS1337+

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-1: $1.63
1-25: $1.09
25-50: $0.79
50-100: $0.78
DS1337C
DS1337C

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-8310: $1.56
DS1337C#
DS1337C#

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-1: $3.50
1-25: $2.35
25-50: $1.70
50-100: $1.69
DS1337C#T&R
DS1337C#T&R

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-955: $1.25
955-1000: $1.19
DS1337C/T&R
DS1337C/T&R

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-1000: $1.29
1000-10190: $1.29
DS1337S
DS1337S

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-6900: $0.87
DS1337S/T&R
DS1337S/T&R

Maxim Integrated Products

Real Time Clock I2C Serial RTC

Data Sheet

0-8110: $0.70