X1288 Datasheet

X1288 RTC Real Time Clock/Calendar/CPU Supervisor

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* X1288S.

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 S.