DS1306
Key Features
- Completely Manages All Timekeeping Functions o Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 o 96-Byte, Battery-Backed NV RAM for Data Storage o Two Time-Of-Day Alarms, Programmable on Combination of Seconds, Minutes, Hours, and Day of the Week o 1Hz and 32.768kHz Clock Outputs
- Standard Serial Port Interfaces with Most Microcontrollers o Supports Motorola SPI (Serial Peripheral Interface) Modes 1 and 3 or Standard 3-Wire Interface o Burst Mode for Reading/Writing Successive Addresses in Clock/RAM
- Multiple Power Supply Pins Ease Adding Battery for Backup o Dual-Power Supply Pins for Primary and Backup Power Supplies o Optional Trickle Charge Output to Backup Supply o 2.0V to 5.5V Operation
- Optional Industrial Temperature Range: -40°C to +85°C Supports Operation in a Wide Range of Applications
- 20-Pin TSSOP Minimizes Required Space
- Underwriters Laboratory (UL®) Recognized