DS1543 Description
User access to all registers within the DS1543 is acplished with a bytewide interface as shown in Figure 1. The RTC registers contain year, month, date, day, hours, minutes, and seconds data in 24-hour BCD format. Corrections for day of month and leap year are made automatically.
DS1543 Key Features
- 70 70 ns access
- 100 100 ns access
- DS1543W-XXX
- Address Input
- Data Input/Outputs
- Interrupt, Frequency Test Output (Open-Drain)
- Power-On Reset Output (Open-Drain)
- Chip Enable
- Output Enable
- Write Enable