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DS1337C#T&R 其他数据使用手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
实时时钟芯片
封装:
SOIC-16
描述:
DS1337C#T&R; 编带
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DS1337C#T&R数据手册
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AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and
ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4652; 7/09
DS1337
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.
The device is fully accessible through the serial
interface while V
CC
is between 1.8V and 5.5V. I
2
C
operation is not guaranteed below 1.8V.
Timekeeping operation is maintained with V
CC
as low
as 1.3V.
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)
TYPICAL OPERATING CIRCUIT
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 SOP
-40C to +85C Operating Temperature Range
ORDERING INFORMATION
PART TEMP RANGE PIN-PACKAGE
TOP
MARK†
DS1337+ -40°C to +85°C 8 DIP (300 mils) DS1337
DS1337S+ -40°C to +85°C 8 SO (150 mils) DS1337
DS1337U+ -40°C to +85°C
8 SOP
1337
DS1337C# -40°C to +85°C 16 SO (300 mils) DS1337C
+ Denotes a lead(Pb)-free/RoHS-compliant device.
# Denotes a RoHS-compliant device that may include lead that is
exempt under the RoHS requirements. The lead finish is JESD97
category e3, and is compatible with both lead-based and lead-free
soldering processes.
† A “+” anywhere on the top mark denotes a lead-free device. A
“#” denotes a RoHS-compliant device.
Pin Configurations appear at end of data sheet.
I
2
C Serial Real-Time Clock
www.maxim-ic.com
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