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| Factory Lead Time | 6 Weeks |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP Module (0.600, 15.24mm) |
| Surface Mount | NO |
| Number of Pins | 28 |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| Published | 2005 |
| JESD-609 Code | e3 |
| Feature | Leap Year, NVSRAM, Y2K |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 28 |
| ECCN Code | EAR99 |
| Type | Clock/Calendar |
| Terminal Finish | Matte Tin (Sn) |
| HTS Code | 8473.30.11.80 |
| Voltage - Supply | 4.5V~5.5V |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 5V |
| Terminal Pitch | 2.54mm |
| Reach Compliance Code | not_compliant |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Base Part Number | DS1744 |
| Pin Count | 28 |
| Qualification Status | Not Qualified |
| Power Supplies | 5V |
| Interface | Parallel |
| Memory Size | 32KB |
| Clock Frequency | 0.032MHz |
| External Data Bus Width | 8 |
| Time Format | HH:MM:SS (24 hr) |
| Date Format | YY-MM-DD-dd |
| Current - Timekeeping (Max) | 4mA @ 5V |
| Time-Min | SECONDS |
| Interrupt Capability | N |
| Volatile | NO |
| Length | 38.227mm |
| Height Seated (Max) | 10.668mm |
| Width | 15.24mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
DS1744-70+ Datasheet
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