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X1286V14T1 Datasheet(PDF) 1 Page - Intersil Corporation |
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X1286V14T1 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 25 page 1 ® FN8101.1 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. 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. X1286 2-Wire™ RTC, 256k (32k x 8) Intersil Real Time Clock/Calendar/CPU Supervisor with EEPROM FEATURES • Real Time Clock/Calendar — Tracks time in Hours, Minutes, Seconds and Hundredths of a Second — 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 — Repeat Mode (periodic interrupts) • Oscillator Compensation on chip — Internal feedback resistor and compensation capacitors — 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 — 128-Byte Page Write Mode — 8 modes of Block Lock™ Protection — Single Byte Write Capability • High Reliability — Data Retention: 100 years — Endurance: 100,000 cycles per byte • 2-Wire™ Interface interoperable with I2C* — 400kHz data transfer rate • Frequency Output (SW Selectable: Off, 1Hz, 100Hz, or 32.768kHz) •Low Power CMOS — 1.25µA Operating Current (Typical) • Small Package Options — 8 Ld EIAJ SOIC and 14 Ld TSSOP • Repetitive Alarms • Temperature Compensation APPLICATIONS • Utility Meters • HVAC Equipment • Audio/Video Components • Set Top Box/Television •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 BLOCK DIAGRAM X1 X2 Oscillator Frequency Timer Logic Divider Calendar 8 Control/ Registers 1Hz Time Keeping Registers Alarm Regs Compare Control Decode Logic Alarm (EEPROM) (EEPROM) SCL SDA Serial Interface Decoder 256K EEPROM ARRAY Registers Status (SRAM) Select PHZ/IRQ VCC VBACK 32.768kHz (SRAM) Battery Circuitry Switch OSC Compensation Data Sheet April 14, 2006 |
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