2-Wire� RTC Real Time Clock/Calendar/CPU Supervisor With EEPROM

The X1288 device is a Real Time Clock with Clock calendar, two polled alarms with integrated 32kx8 EEPROM Oscillator compensation, CPU supervisor (POR/LVS and WDT) and battery backup Switch
The Oscillator uses an external, low-cost 32.768kHz crystal. All compensation and trim components are integrated on the chip. This eliminates several external Discrete components and a trim capacitor, saving board area and component cost.
The Real-Time Clock keeps track of time with separate Registers for Hours, Minutes, Seconds and 1/100 of a second. The Calendar has separate Registers for Date, Month, Year and Day-of-week. The calendar is correct through 2099, with Automatic leap year correction.
The powerful Dual Alarms CAN be set to any Clock Calendar value for a match. For instance, every minute, every Tuesday, or 5:23 AM on March 21. The alarms CAN be polled in the Status Register or provide a hardware interrupt (IRQ Pin). There is a repeat mode for the alarms allowing a periodic interrupt.
The PHZ/IRQ pin may be software selected to provide a frequency output of 1 Hz, 100 Hz, or 32,768 Hz.
The X1288 device integrates CPU supervisor func-tions and a Battery Switch There is a Power-On Reset (RESET output) with typically 250 ms delay from poweron. It will also assert RESET when Vcc goes below the specified threshold. The Vtrip threshold is user reprogrammable.
There is a WatchDog Timer (WDT) with 3 selectable time-out periods (0.25s, 0.75s, 1.75s) and a disabled setting. The watchdog activates the RESET pin when it expires
By Intersil Corporation
X1288 's PackagesX1288 's pdf datasheet
X1288V14-2.7AC7987 TSSOP
X1288V14I-2.7AC7987 TSSOP
X1288S16 SOIC
X1288S16-2.7 SOIC
X1288S16-2.7A SOIC
X1288S16-2.7AT1 SOIC
X1288S16-2.7T1 SOIC
X1288S16-4.5A SOIC
X1288S16-4.5AT1 SOIC
X1288S16I SOIC
X1288S16I-2.7 SOIC
X1288S16I-2.7A SOIC
X1288S16I-2.7AT1 SOIC
X1288S16I-2.7T1 SOIC
X1288S16I-4.5A SOIC
X1288S16I-4.5AT1 SOIC
X1288S16IT1 SOIC
X1288S16T1 SOIC
X1288V14 TSSOP
X1288V14-2.7 TSSOP
X1288V14-2.7A TSSOP
X1288V14-2.7AT1 TSSOP
X1288V14-2.7T1 TSSOP
X1288V14-4.5A TSSOP
X1288V14-4.5AT1 TSSOP
X1288V14I-2.7 TSSOP
X1288V14I-2.7A TSSOP
X1288V14I-2.7AT1 TSSOP
X1288V14I-2.7T1 TSSOP
X1288V14I-4.5A TSSOP
X1288V14I-4.5AT1 TSSOP
X1288V14IZ-2.7 TSSOP
X1288V14IZ-2.7A TSSOP
X1288V14IZ-2.7AT1 TSSOP
X1288V14IZ-2.7T1 TSSOP
X1288V14IZ-4.5A TSSOP
X1288V14IZ-4.5AT1 TSSOP
X1288V14T1 TSSOP
X1288V14Z-2.7 TSSOP
X1288V14Z-2.7A TSSOP
X1288V14Z-2.7AT1 TSSOP
X1288V14Z-2.7T1 TSSOP
X1288V14Z-4.5A TSSOP
X1288V14Z-4.5AT1 TSSOP

X1288 Pinout, Pinouts
X1288 pinout,Pin out
This is one package pinout of X1288,If you need more pinouts please download X1288's pdf datasheet.

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