Datasheet Summary
Serial Real Time Clock/Calendar With 31×8 RAM
Data Sheet
Features
- 31 x 8 RAM for scratchpad data storage
- Dual power supply pins
- Serial I/O transmission
- Clock registers store BCD format
- Operating voltage: 2.0V-5.5V
- Uses less than 300 nA at 2.0 volts
- Two data transmission modes: single-byte，or burst mode
- 8- pin DIP or 8- pin SOP package
- Maximum input serial clock: 500kHz at VCC =2V,
2MHz at VCC =5V
- TTL- patible (VCC = 5V)
- DS1302 patible
Applications
- Cash Register
- Security Access Controller, Door Controller
- Time Recorder
- Mobile Telephones
- Public Phone Bill Meter, Smart Card Payphone
- MP3/MP4 Player
- IC Water-Flow Meter, IC Gas...