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ISL12027IB30AZ Folha de dados(PDF) 1 Page - Intersil Corporation |
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ISL12027IB30AZ Folha de dados(HTML) 1 Page - Intersil Corporation |
1 / 28 page 1 ® ISL12027 Real Time Clock/Calendar with EEPROM The ISL12027 device is a low power real time clock with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, CPU Supervisor and integrated 512 x 8 bit EEPROM, in 16 Byte per page format. 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. Features • Real Time Clock/Calendar - Tracks Time in Hours, Minutes, and Seconds - Day of the Week, Day, Month, and Year • Two Non-Volatile Alarms - Settable on the Second, Minute, Hour, Day of the Week, Day, or Month - Repeat Mode (periodic interrupts) • Automatic Backup to Battery or SuperCap • On-Chip Oscillator Compensation - Internal Feedback Resistor and Compensation Capacitors - 64 Position Digitally Controlled Trim Capacitor - 6 Digital Frequency Adjustment Settings to ±30ppm • 512 x 8 Bits of EEPROM - 16-Byte Page Write Mode (32 total pages) - 8 Modes of Block Lock™ Protection - Single Byte Write Capability • High Reliability - Data Retention: 50 years - Endurance: >2,000,000 Cycles Per Byte •I2C* Interface - 400kHz Data Transfer Rate • 800nA Battery Supply Current • Package Options - 8 Ld SOIC and 8 Ld TSSOP Packages • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • Utility Meters • HVAC Equipment • Audio/Video Components • Modems • 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 • Other Industrial/Medical/Automotive Pinouts ISL12027 (8 LD TSSOP) TOP VIEW ISL12027 (8 LD SOIC) TOP VIEW X1 X2 VBAT VDD RESET SCL SDA GND 1 2 3 4 7 8 6 5 X1 X2 VBAT VDD RESET SCL SDA GND 1 2 3 4 7 8 6 5 New Features Data Sheet FN8232.4 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. *I2C is a Trademark of Philips. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. October 18, 2006 |
Nº de peça semelhante - ISL12027IB30AZ |
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Descrição semelhante - ISL12027IB30AZ |
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