参数资料
型号: 1337DVGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO8
封装: 3 MM, ROHS COMPLIANT, MSOP-8
文件页数: 1/24页
文件大小: 362K
代理商: 1337DVGI
DATASHEET
REAL-TIME CLOCK WITH I2C SERIAL INTERFACE
IDT1337
IDT REAL-TIME CLOCK WITH I2C SERIAL INTERFACE
1
IDT1337
REV J 111009
General Description
The IDT1337 device is a low power serial real-time clock
(RTC) device with two programmable time-of-day alarms
and a programmable square-wave output. Address and
data are transferred serially through an I2C bus. The device
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
Telecommunication (Routers, Switches, Servers)
Handhelds (GPS, POS terminals, MP3 players)
Set-Top Box, Digital Recording,
Office (Fax/Printers, Copiers)
Medical (Glucometer, Medicine Dispensers)
Other (Thermostats, Vending Machines, Modems, Utility
Meters, Digital Photo Frame devices)
Features
Real-Time Clock (RTC) counts seconds, minutes, hours,
day, date, month, and year with leap-year compensation
valid up to 2100
Packaged in 8-pin MSOP, 8-pin SOIC, or 16-pin SOIC
(surface-mount package with an integrated crystal)
I2C Serial interface (Normal and Fast modes)
Two time-of-day alarms
Oscillator Stop Flag
Programmable square-wave output defaults to 32 kHz on
power-up
Operating voltage of 1.8 to 5.5 V
Industrial temperature range (-40 to +85°C)
Block Diagram
SCL
SDA
Crystal inside package
for 16-pin SOIC ONLY
X1
X2
1 Hz/4.096 kHz/
8.192 kHz/32.768 kHz
SQW/INTB
I
2C
Interface
32.768 kHz
Oscillator and
Divider
Control
Logic
MUX/
Buffer
Clock,
Calendar
Counter
1 Byte
Control
7 Bytes
Buffer
Alarm
Registers
INTA
VCC
GND
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相关代理商/技术参数
参数描述
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