Datasheet > X1286_06

X1286_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		监控可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数	文件大小	规格书
25页	473K
描述
Intersil Real Time Clock/Calendar/CPU Supervisor with EEPROM

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数据手册

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X1286_06 数据手册

X1286

2-Wire™ RTC, 256k (32k x 8)

Data Sheet

April 14, 2006

FN8101.1

• Frequency Output (SW Selectable: Off, 1Hz, 100Hz,

or 32.768kHz)

Intersil Real Time Clock/Calendar/CPU

Supervisor with EEPROM

• Low Power CMOS

—1.25µA Operating Current (Typical)

• Small Package Options

FEATURES

• Real Time Clock/Calendar

—8 Ld EIAJ SOIC and 14 Ld TSSOP

• Repetitive Alarms

—Tracks time in Hours, Minutes, Seconds and

Hundredths of a Second

• Temperature Compensation

—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

APPLICATIONS

• Utility Meters

• HVAC Equipment

—Repeat Mode (periodic interrupts)

• Oscillator Compensation on chip

—Internal feedback resistor and compensation

capacitors

• Audio/Video Components

• Set Top Box/Television

• Modems

• Network Routers, Hubs, Switches, Bridges

• Cellular Infrastructure Equipment

• Fixed Broadband Wireless Equipment

• Pagers/PDA

—64 position Digitally Controlled Trim Capacitor

—6 digital frequency adjustment settings to

±30ppm

• Battery Switch or Super Cap Input

• 32K x 8 Bits of EEPROM

• POS Equipment

• Test Meters/Fixtures

—128-Byte Page Write Mode

• Office Automation (Copiers, Fax)

• Home Appliances

—8 modes of Block Lock™ Protection

—Single Byte Write Capability

• High Reliability

• Computer Products

• Other Industrial/Medical/Automotive

—Data Retention: 100 years

—Endurance: 100,000 cycles per byte

• 2-Wire™ Interface interoperable with I²C*

—400kHz data transfer rate

BLOCK DIAGRAM

OSC

Compensation

Timer

Calendar

Logic

Battery

Switch

Time

V_CC

Frequency

Divider

1Hz

Oscillator

32.768kHz

Keeping

Registers

V_BACK

Circuitry

Select

(SRAM)

PHZ/IRQ

Status

Control/

Control

Decode

Logic

Compare

Serial

Registers

SCL

SDA

Registers

Alarm

Interface

Decoder

(EEPROM)

(SRAM)

Alarm Regs

(EEPROM)

256K

EEPROM

ARRAY

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.

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