DS1305
DS1305 is Serial Alarm Real-Time Clock manufactured by Maxim Integrated.
FEATURES
- pletely 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 pensation Valid Up to 2100 o 96-Byte, Battery-Backed NV RAM for Data Storage o Two Time-Of-Day Alarms, Programmable on bination of Seconds, Minutes, Hours, and Day of the Week
- Standard Serial Port Interfaces with Most Microcontrollers o Supports 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
- 20-Pin TSSOP Minimizes Required Space
- Optional Industrial Temperature Range: -40°C to +85°C Supports Operation in a Wide Range of Applications
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