GENERAL DESCRIPTION
The DS1337 serial real-time clock 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
I
2
C* bus. The clock/calendar provides seconds,
minutes, hours, day, date, month, and year
information. The date at the end of the month is
automatically adjusted for months with fewer than 31
days, including corrections for leap year. The clock
operates in either the 24-hour or 12-hour format with
AM/PM indicator.
APPLICATIONS
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)
Other (Utility Meter, Vending Machine, Thermostat,
Modem)
FEATURES
? Real-Time Clock (RTC) Counts Seconds,
Minutes, Hours, Day, Date, Month, and Year
with Leap-Year Compensation Valid Up to
2100
? Available in a Surface-Mount Package with an
Integrated Crystal (DS1337C)
? I
2
C Serial Interface
? Two Time-of-Day Alarms
? Oscillator Stop Flag
? Programmable Square-Wave Output
Defaults to 32kHz on Power-Up
? Available in 8-Pin DIP, SO, or μSOP
? -40°C to +85°C Operating Temperature Range
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深圳斯普仑科技有限公司
Shenzhen Spring Technology Co.,Ltd
地址：深圳市福田区振华路122号海外装饰大厦A座211室
Shenzhen futian district zhenhua road 122 overseas decoration building, room 211, block A, 518031
成先生 13662688167
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