Datasheet > X1205S8T1

X1205S8T1

更新时间： 2024-02-18 11:45:54

品牌	Logo	应用领域
英特矽尔 - INTERSIL		时钟
页数	文件大小	规格书
22页	329K
描述
2-Wire RTC Real Time Clock/Calendar

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数据手册

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X1205S8T1 数据手册

X1205

Data Sheet

September 23, 2005

FN8097.2

• Audio/Video Components

• Set Top Box/Television

• Modems

2-Wire™ RTC Real Time Clock/Calendar

FEATURES

• Network Routers, Hubs, Switches, Bridges

• Cellular Infrastructure Equipment

• Fixed Broadband Wireless Equipment

• Pagers/PDA

• POS Equipment

• Test Meters/Fixtures

• Office Automation (Copiers, Fax)

• Home Appliances

• Computer Products

• Real Time Clock/Calendar

—Tracks time in Hours, Minutes, and Seconds

—Day of the Week, Day, Month, and Year

• 2 Polled Alarms (Non-volatile)

—Settable on the Second, Minute, Hour, Day of

the Week, Day, or Month

—Repeat Mode (periodic interrupts)

• Oscillator Compensation on chip

—Internal feedback resistor and compensation

capacitors

• Other Industrial/Medical/Automotive

—64 position Digitally Controlled Trim Capacitor

—6 digital frequency adjustment settings to

±30ppm

• Battery Switch or Super Cap Input

• 2-Wire™ Interface interoperable with I2C*

—400kHz data transfer rate

• Low Power CMOS

—1.25µA Operating Current (Typical)

• Small Package Options

DESCRIPTION

The X1205 device is a Real Time Clock with

clock/calendar, two polled alarms, oscillator

compensation, and battery backup switch.

The oscillator uses an external, low-cost 32.768kHz

crystal. All compensation and trim components are

integrated on the chip. This eliminates several external

discrete components and a trim capacitor, saving

board area and component cost.

—8-Lead SOIC and 8-Lead TSSOP

• Repetitive Alarms

• Temperature Compensation

• Pb-Free Plus Anneal Available (RoHS Compliant)

The Real-Time Clock keeps track of time with

separate registers for Hours, Minutes, and Seconds.

The Calendar has separate registers for Date, Month,

Year and Day-of-week. The calendar is correct

through 2099, with automatic leap year correction.

APPLICATIONS

• Utility Meters

• HVAC Equipment

BLOCK DIAGRAM

OSC

Compensation

Timer

Calendar

Logic

Frequency

Divider

1Hz

32.768kHz

Oscillator

Time

Keeping

Registers

(SRAM)

Control

Status

Control

Decode

Logic

Compare

Registers

Alarm

(EEPROM)

(SRAM)

Serial

Interface

Decoder

SCL

SDA

Alarm Regs

(EEPROM)

Interrupt Enable

Alarm

IRQ

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...22

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X1205V8T1	INTERSIL	获取价格	2-Wire RTC Real Time Clock/Calendar

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