| DS17487 Description |
| 3V/5V Real-Time Clock |
| DS17487 Vendor |
| Maxim |
| DS17487 Categories |
|
| DS17487 Features |
| Incorporates industry standard DS1287 PC clock plus enhanced features: Y2K Compliant+3 or +5V operationSMI recovery stack64-bit silicon serial numberPower control circuitry supports system power on from date/time alarm or key closure32kHz output on power-upCrystal select bit allows RTC to operate with 6pF or 12.5pF crystal114 bytes user NV RAMAuxiliary battery input4kB additional NV RAMRAM clear inputCentury registerDate alarm registerCompatible with existing BIOS for original DS1287 functionsAvailable as chip (DS17485) or standalone module with embedded battery and crystal (DS17487)Timekeeping algorithm includes leap year compensation valid up to 2100 |
| DS17487 Datasheet and Application Notes |
|
| Parameter | Value |
| Special Functions | Standard |
| Time Format (hh = 1/100 sec) | HH:MM:SS |
| Date Format | YYYY-MM-DD |
| Bus Type | Multiplexed |
| Op. Temp Range | -40° to +85° |
| Op. Temp Range | 0° to +70° |
| Supply Voltage (V) | 3 |
| Supply Voltage (V) | 5 |
| NV RAM (Bytes) | 4k |
| Package | 24/EDIP.740 |
| Price @ 1k | $7.35 |
| Products related to DS17487 |
| DS17485 |