DS1338
Description
The DS1338 serial real-time clock (RTC) is a lowpower, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I2C interface.
Key Features
- Completely Manages All Timekeeping Functions o 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 56-Byte, Battery-Backed, GeneralPurpose RAM with Unlimited Writes o Programmable Square-Wave Output Signal
- Surface-Mount Package with an Integrated Crystal (DS1338C) Saves Additional Space and Simplifies Design
- Interfaces with Most Microcontrollers o I2C Serial Interface
- Low-Power Operation Extends Battery Backup Run Time o Automatic Power-Fail Detect and Switch Circuitry
- -40°C to +85°C Industrial Temperature Range Supports Operation in a Wide Range of Applications
- Underwriters Laboratories (UL®) Recognized
