Datasheet > ISL12020

ISL12020

更新时间： 2024-12-01 03:44:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池温度补偿静态存储器
页数	文件大小	规格书
25页	298K
描述
Low Power RTC with VDD Battery Backed SRAM and Embedded Temp Compensation 【5ppm with Auto Day Light Saving

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ISL12020 数据手册

ISL12020

Real Time Clock with On Chip Temp Compensation ±5ppm

Data Sheet

March 29, 2007

FN6450.0

Low Power RTC with V

Battery Backed

Features

• Real Time Clock/Calendar

SRAM and Embedded Temp

Compensation ±5ppm with Auto Day Light

Saving

- Tracks Time in Hours, Minutes and Seconds

- Day of the Week, Day, Month and Year

The ISL12020 device is a low power real time clock with an

embedded Temp sensor for oscillator compensation,

clock/calendar, power fail, low battery monitor, brown out

indicator, single periodic or polled alarms, intelligent battery

backup switching and 128 bytes of battery-backed user

SRAM.

• On-chip Oscillator Compensation Over the Operating

Temp Range

- ±5ppm over -20°C to +70°C

• Day Light Saving Time

- Customer Programmable

• 15 Selectable Frequency Outputs

The oscillator uses an external, low-cost 32.768kHz crystal.

The real time clock tracks time with separate registers for

hours, minutes, and seconds. The device has calendar

registers for date, month, year and day of the week. The

calendar is accurate through 2099, with automatic leap year

correction.

• 1 Alarm

- Settable to the Second, Minute, Hour, Day of the Week,

Day, or Month

- Single Event or Pulse Interrupt Mode

• Automatic Backup to Battery or Super Cap

Daylight Savings time adjustment is done automatically,

using parameters entered by the user. Power fail and battery

monitors offer user-selectable trip levels. A time stamp

- Operation to V

BAT

- 1.0µA Battery Supply Current

= 1.8V

• Battery Status Monitor, 2 Levels, Selectable by Customer

to:

function records the time and date of switchover from V

battery power, and also from battery to V

power.

- Seven Selectable Voltages for Each Level

• Power Status Brown Out Monitor

Pinout

• Six Selectable Trip Level, from 4.675V to 2.295V Power

Failure Detection

ISL12020

(8 LD SOIC)

TOP VIEW

• Time Stamp during Power to Battery and Battery to Power

Cross Over

VDD

- Time Stamp. First V

to V

, and Last V

BAT

to V

BAT

IRQ/F

SCL

OUT

• 128 Bytes Battery-Backed User SRAM

VBAT

• I C Interface

GND

SDA

- 400kHz Clock Frequency

• 8 Ld SOIC Package ISL12020

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Utility Meters

• POS Equipment

• Medical Application

• Security Related Application

• Vending Machine

• White Goods

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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与ISL12020相关器件

型号	品牌	获取价格	描述	数据表
ISL12020CBZ	INTERSIL	获取价格	Low Power RTC with VDD Battery Backed SRAM an
ISL12020CBZ-T	RENESAS	获取价格	REAL TIME CLOCK, PDSO8, ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8
ISL12020IBZ	INTERSIL	获取价格	Low Power RTC with VDD Battery Backed SRAM an
ISL12020M	INTERSIL	获取价格	Low Power RTC with Battery Backed SRAM, Integ
ISL12020M	RENESAS	获取价格	Real Time Clock with Embedded Crystal, ±5ppm
ISL12020M_11	INTERSIL	获取价格	High-Accuracy RTC Modules, Feature-Rich RTCs
ISL12020MIRZ	INTERSIL	获取价格	Low Power RTC with Battery Backed SRAM, Integ
ISL12020MIRZ	RENESAS	获取价格	Real Time Clock with Embedded Crystal, ±5ppm
ISL12020MIRZ-T	INTERSIL	获取价格	Low Power RTC with Battery Backed SRAM, Integ
ISL12020MIRZ-T	RENESAS	获取价格	Real Time Clock with Embedded Crystal, ±5ppm

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