Intersil X1228
Real Time Clock/Calendar/CPU Supervisor
| Part No. | X1228 |
|---|---|
| Datasheet | X1228 Download |
| Manufacturer |  Intersil |
| Description | Real Time Clock/Calendar/CPU Supervisor |
| Buy | Stock & Price |
FEATURES
● Real Time Clock/Calendar — Tracks Time in Hours, Minutes, and Seconds — 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
● 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
● 512 x 8 Bits of EEPROM — 64-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, 4096Hz, or 32.768kHz)
● Low Power CMOS — 1.25µA Operating Current (Ty...
