Datasheet > ISL12023IVZ

ISL12023IVZ

更新时间： 2024-12-01 05:39:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池外围集成电路温度补偿静态存储器光电二极管时钟
页数	文件大小	规格书
28页	384K
描述
Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Daylight Saving

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ISL12023IVZ 数据手册

ISL12023

Real Time Clock with On Chip Temp Compensation ±5ppm

Data Sheet

June 24, 2009

FN6682.2

Low Power RTC with Battery-Backed SRAM

and Embedded Temp Compensation ±5ppm

with Auto Daylight Saving

Features

• Real Time Clock/Calendar

- Tracks Time in Hours, Minutes and Seconds

- Day of the Week, Day, Month and Year

The ISL12023 device is a low power real time clock with an

embedded Temp sensor for oscillator compensation,

clock/calendar, power fail, low battery monitor, brownout

indicator, single periodic or polled alarms, intelligent

battery-backup switching, Battery Reseal™ function and 128

bytes of battery-backed user SRAM.

• On-chip Oscillator Compensation Over the Operating

Temp Range

- ±5ppm Over -40°C to +85°C

• 10-bit Digital Temperature Sensor Output

- ±2°C Accuracy

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.

• Customer Programmable Day Light Saving Time

• Clock Output with 15 Selectable Frequencies

• 1 Alarm

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

Day, or Month

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

- Single Event or Pulse Interrupt Mode

• Battery Reseal™ Function to Extend Battery Shelf Life

• Automatic Backup to Battery or Super Capacitor

function records the time and date of switchover from V

power, and also from V

BAT

to V

power.

- Operation to V = 1.8V

BAT

- 1.0µA Battery Supply Current

Pinout

• Battery Status Monitor

ISL12023

(14 LD TSSOP)

TOP VIEW

- 2 User Programmable Levels

- Seven Selectable Voltages for Each Level

• Power Status Brownout Monitor

- Six Selectable Trip Levels, from 2.295V to 4.675V

• Oscillator Failure Detection

IRQ

• Time Stamp for First V

to V

, and Last V

BAT

to V

BAT

SCL

SDA

BAT

• 128 Bytes Battery-Backed User SRAM

GND

LVRST

• Separate F

, IRQ, and LVRST Outputs

OUT

• I C Bus™

- 400kHz Clock Frequency

• 14 Ld TSSOP Package

• Pb-Free (RoHS Compliant)

Applications

• Utility Meters

• POS Equipment

• Medical Devices

• Security Systems

• Vending Machines

• White Goods

• Printers and Copiers

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.

I C Bus™ is a trademark owned by NXP Semiconductors Netherlands, B.V.

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

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与ISL12023IVZ相关器件

型号	品牌	获取价格	描述	数据表
ISL12023IVZ-T	RENESAS	获取价格	Low Power RTC with Battery-Backed SRAM and Em
ISL12024	INTERSIL	获取价格	Real-Time Clock/Calendar with Embedded Unique ID
ISL12024IBZ	RENESAS	获取价格	Real-Time Clock/Calendar with Embedded Unique ID; SOIC8, TSSOP8; Temp Range: -40°
ISL12024IBZ	INTERSIL	获取价格	Real-Time Clock/Calendar with Embedded Unique ID
ISL12024IBZ-T	RENESAS	获取价格	Real-Time Clock/Calendar with Embedded Unique ID; SOIC8, TSSOP8; Temp Range: -40°
ISL12024IRTCZ	INTERSIL	获取价格	Real-Time Clock/Calendar with Embedded Unique ID
ISL12024IVZ	INTERSIL	获取价格	Real-Time Clock/Calendar with Embedded Unique ID
ISL12024IVZ	RENESAS	获取价格	Real-Time Clock/Calendar with Embedded Unique ID; SOIC8, TSSOP8; Temp Range: -40°
ISL12024IVZ-T	RENESAS	获取价格	Real-Time Clock/Calendar with Embedded Unique ID; SOIC8, TSSOP8; Temp Range: -40°
ISL12025	INTERSIL	获取价格	Real-Time Clock/Calendar with EEPROM

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