DS1693
3V/5V、串行实时时钟，带有非易失RAM控制器
Viewing:
产品详情
Incorporates industry standard DS1287 PC clock plus enhanced features:
- +3- or +5V operation
- 64-bit silicon serial number
- 64-bit customer specific ROM or additional serial number available
- Power control circuitry supports system power-on from date/time alarm or key closure
- Automatic battery backup and write protection to external SRAM
- Crystal select bit allows RTC to operate with 6pF or 12.5pF crystal
- 114 bytes user NV RAM
- Auxiliary battery input
- RAM clear input
- Century register
- 32kHz output for power management
- 32-bit VCC powered elapsed time counter
- 32-bit VBAT powered elapsed time counter
- 16-bit power cycle counter
- Compatible with existing BIOS for original DS1287 functions
- Available as IC (DS1689) or standalone module with embedded battery and crystal (DS1693)
- IC is available in industrial temperature version
- Timekeeping algorithm includes leap year compensation valid up to 2100
参考资料
最新评论
需要发起讨论吗？ 没有关于 DS1693的相关讨论？是否需要发起讨论？
在EngineerZone®上发起讨论