FEATURES
n Digital trimming and temperature compensation facilities n Can be synchronized to 50 Hz or nearest s/min n 50 ns access time with 50 pF load capacitance n Standby on power down typically 1.2 mA n Universal interface compatible with both Intel and Motorola n Simple 8 bit interface with no delays or busy flags n 16 bytes of user RAM n Power fail input disables during power up / down or reset n Bus can be tri-state in power fail mode n Wide voltage range, 2.0 V to 5.5 V n 12 or 24 hour data formats n Time to 1/100 of a second n Leap year correction and week number calculation n Alarm and timer interrupts n Programmable interrupts: 10 ms, 100 ms, s or min n Sleep mode capability n Alarm programmable up to one month n Timer measures elapsed time up to 24 hours n Temperature range -40 to +85 OC n Packages DIP20 and SO20 Data Bus Address Bus Typical Operating Configuration CPU WR or R/W RD or DS IRQ Address Decoder CS IRQ RD X in WR A3024 A/D X out AD0 to AD7 DESCRIPTION
The A3024 is a low power CMOS real time clock.