Catalog > Semiconductors > Integrated Circuits IC IC PCF8583TD Clock Calendar Wire 256X8 S/RAM SO8 Call for Price Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Family: Clock/Timing Subcategory: Real Time Clocks Date Format: YY-MM-DD Interface: I2C, 2-Wire Serial Packaging: Tape & Reel (TR) Cut Tape (CT) Digi-Reel® Voltage - Supply: 2.5V ~ 6V Current - Timekeeping (Max): 10µA ~ 50µA @ 1V ~ 5V Operating Temperature: -40°C ~ 85°C Type: Clock/Calendar Mounting Type: Surface Mount Features: Alarm NVSRAM Square Wave Output Package / Case: 8-SOIC (0.295", 7.50mm Width) Memory Size: 240B Supplier Device Package: 8-SO Time Format: HH:MM:SS:hh (12/24 hr)