DS1644LPM Overview
The DS1644L is a low profile module that requires a PLCC surface mountable socket.
DS1644LPM Key Features
- Upward patible with the DS1643AL Timekeeping
- Integrated NV SRAM, real time clock, crystal, power
- Low profile socketable module
- 255 mil package height
- Clock registers are accessed identical to the static
- Access time of 120 ns and 150 ns
- Quartz accuracy ±1 minute a month @ 25°C, factory
- BCD coded year, month, date, day, hours, minutes
- Power-fail write protection allows for ±10% VCC pow
- 120 120 ns access -150 150 ns access
