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ISL12020 bảng dữ liệu(PDF) 1 Page - Intersil Corporation |
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ISL12020 bảng dữ liệu(HTML) 1 Page - Intersil Corporation |
1 / 25 page 1 ® FN6450.0 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. Copyright Intersil Americas Inc. 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL12020 Real Time Clock with On Chip Temp Compensation ±5ppm Low Power RTC with VDD Battery Backed SRAM and Embedded Temp Compensation ± 5ppm with Auto Day Light Saving 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. 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. 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 function records the time and date of switchover from VDD to battery power, and also from battery to VDD power. Pinout ISL12020 (8 LD SOIC) TOP VIEW Features • Real Time Clock/Calendar - Tracks Time in Hours, Minutes and Seconds - Day of the Week, Day, Month and Year • 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 • 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 - Operation to VBAT = 1.8V - 1.0µA Battery Supply Current • Battery Status Monitor, 2 Levels, Selectable by Customer to: - Seven Selectable Voltages for Each Level • Power Status Brown Out Monitor • Six Selectable Trip Level, from 4.675V to 2.295V Power Failure Detection • Time Stamp during Power to Battery and Battery to Power Cross Over - Time Stamp. First VDD to VBAT, and Last VBAT to VDD • 128 Bytes Battery-Backed User SRAM •I2C Interface - 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 Data Sheet VDD IRQ/FOUT SCL SDA X1 X2 VBAT 1 2 3 4 8 7 6 5 GND March 29, 2007 |
Số phần tương tự - ISL12020 |
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Mô tả tương tự - ISL12020 |
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