 
    | Parameters | |
|---|---|
| Factory Lead Time | 10 Weeks | 
| Contact Plating | Tin | 
| Mount | Through Hole | 
| Mounting Type | Through Hole | 
| Package / Case | 32-DIP Module (0.600, 15.24mm) | 
| Number of Pins | 32 | 
| Operating Temperature | -40°C~85°C | 
| Packaging | Tube | 
| Published | 2007 | 
| JESD-609 Code | e3 | 
| Feature | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 
| Pbfree Code | yes | 
| Part Status | Active | 
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
| Number of Terminations | 32 | 
| ECCN Code | EAR99 | 
| Type | Clock/Calendar | 
| HTS Code | 8473.30.11.80 | 
| Subcategory | Timer or RTC | 
| Technology | CMOS | 
| Voltage - Supply | 2.97V~3.63V | 
| Terminal Position | DUAL | 
| Supply Voltage | 3.3V | 
| Terminal Pitch | 2.54mm | 
| Base Part Number | DS1556 | 
| Pin Count | 32 | 
| Operating Supply Voltage | 3.3V | 
| Interface | Parallel | 
| Memory Size | 128KB | 
| Logic Function | Clock | 
| External Data Bus Width | 8 | 
| Time Format | HH:MM:SS (24 hr) | 
| Date Format | YY-MM-DD-dd | 
| Current - Timekeeping (Max) | 4mA @ 3.3V | 
| Time-Min | SECONDS | 
| Interrupt Capability | Y | 
| Volatile | NO | 
| Height Seated (Max) | 10.922mm | 
| Length | 43.053mm | 
| Width | 15.24mm | 
| Radiation Hardening | No | 
| RoHS Status | ROHS3 Compliant | 
| Lead Free | Lead Free |