 
    | Parameters | |
|---|---|
| Time@Peak Reflow Temperature-Max (s) | 30 | 
| Base Part Number | DS1305 | 
| Pin Count | 20 | 
| Number of Outputs | 1 | 
| Voltage | 5V | 
| Interface | SPI | 
| Memory Size | 96B | 
| Logic Function | Clock | 
| Time Format | HH:MM:SS (12/24 hr) | 
| Date Format | YY-MM-DD-dd | 
| Current - Timekeeping (Max) | 25.3μA~81μA @ 2V~5V | 
| Time-Min | SECONDS | 
| Interrupt Capability | Y | 
| Voltage - Supply, Battery | 2V~5.5V | 
| Volatile | YES | 
| Information Access Method | SERIAL, 3-WIRE | 
| Height | 950μm | 
| Length | 6.6mm | 
| Width | 4.5mm | 
| Radiation Hardening | No | 
| REACH SVHC | Unknown | 
| RoHS Status | ROHS3 Compliant | 
| Lead Free | Lead Free | 
| Factory Lead Time | 6 Weeks | 
| Mount | Surface Mount | 
| Mounting Type | Surface Mount | 
| Package / Case | 20-TSSOP (0.173, 4.40mm Width) | 
| Number of Pins | 20 | 
| Weight | 190.990737mg | 
| Operating Temperature | -40°C~85°C | 
| Packaging | Tube | 
| Published | 2002 | 
| JESD-609 Code | e3 | 
| Feature | Alarm, Leap Year, NVSRAM, Trickle-Charger | 
| Pbfree Code | yes | 
| Part Status | Active | 
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
| Number of Terminations | 20 | 
| Termination | SMD/SMT | 
| ECCN Code | EAR99 | 
| Type | Clock/Calendar | 
| Terminal Finish | Matte Tin (Sn) | 
| Subcategory | Timer or RTC | 
| Technology | CMOS | 
| Voltage - Supply | 2V~5.5V | 
| Terminal Position | DUAL | 
| Peak Reflow Temperature (Cel) | 260 | 
| Supply Voltage | 5V | 
| Terminal Pitch | 0.65mm | 
| Frequency | 32.768kHz |