Datasheet > 5P90005CDCGH8

5P90005CDCGH8

更新时间： 2022-02-26 13:30:31

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
15页	146K
描述
Serial Real-Time Clock

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5P90005CDCGH8 数据手册

Serial Real-Time Clock

IDT5P90005C

DATASHEET

Description

Features

The IDT5P90005C is a serial real-time clock (RTC) device

that consumes ultra-low power and provides a full

binary-coded decimal (BCD) clock/calendar. The

• Packaged in 8-pin SOIC, RoHS compliant

• Counters for seconds, minutes, hours, days, date, months,

years, and century

clock/calendar provides seconds, minutes, hours, day, date,

month, and year information. The clock operates in either the

24-hour or 12-hour format with AM/PM indicator. The end of

the month date is automatically adjusted for months with

fewer than 31 days, including corrections for leap year.

• 32kHz crystal oscillator integrating load capacitance

(12.5 pF) providing exceptional oscillator stability and high

crystal series resistance operation

• Serial interface supports I C bus (100 or 400kHz protocol)

Access to the clock/calendar registers is provided by an I C

• Ultra low battery supply current of 0.8µA (typical at 3V)

• 2.0 to 5.5V clock operating voltage

interface capable of operating in fast I C mode. Built-in

Power-sense circuitry detects power failures and

automatically switches to the backup supply, maintaining time

and date operation.

• Automatic switch over and deselect circuitry

• Automatic leap year compensation

• Extended commercial operating temperature (0 to +85°C)

Block Diagram

1 Hz

32.768 kHz

Oscillator and

Divider

OSCI

MUX/

FT/OUT

Buffer

OSCO

VCC

GND

V_BAT

Power

Control

Logic

Clock, Calendar

Counter

SCL

SDA

I²C

Interface

1 Byte 7 Bytes

Control

Buffer

IDT5P90005C REVISION C 07/03/14

12 3 4 5 6 7...15

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