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X1288 - RTC Real Time Clock/Calendar/CPU Supervisor

General Description

16 Ld SOIC X1 X2 NC NC NC NC RESET VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 14 Ld TSSOP VCC VBACK PHZ/IRQ NC NC NC SCL SDA NC = No internal connection X1 X2 NC NC NC RESET VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC VBACK PHZ/IRQ NC NC SCL SDA Ordering Information PART NUMBER X1288S16-4.5A X1

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® X1288 Data Sheet April 14, 2006 FN8102.3 2-Wire™ RTC 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 setting to ±30ppm • CPU Supervisor Functions — Power-on Reset, Low Voltage Sense — Watchdog Timer (SW Selectable: 0.25s, 0.75s, 1.75s, off) • Battery Switch or Super Cap Input • 32K x 8 Bits of EEPROM www.DataSheet4U.