 |  | | |
| PartNumber | DS1644-120+ | DS1644P-120 | DS1644-120 |
| Description | Real Time Clock NV Timekeeping RAM | Real Time Clock | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | SMD/SMT | Through Hole |
| Package / Case | eDIP-32 | PowerCap | eDIP |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 32768 B | 32768 B | 32768 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | - | - |
| Function | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM |
| Series | DS1644 | DS1644P | DS1644 |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 12 | - | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-16440+120 DS1644 | DS1644P | DS1644 |
| Unit Weight | 0.512002 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1647-120+ | Real Time Clock NV Timekeeping RAM | |
| DS1644-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1644P-120 | Real Time Clock | ||
| DS1646-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1644-120 | Real Time Clock | ||
| DS1644P-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1647P-120 | Real Time Clock NV Timekeeping RAM | ||
| DS1646P-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1647P-120 | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1644-120 | IC RTC CLK/CALENDAR PAR 28-EDIP | ||
| DS1644P-120 | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1646P-120 | IC RAM TIMEKEEP NV 120NS 34-PCM | ||
| DS1646P-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1647-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1644-120+ | IC RTC CLK/CALENDAR PAR 28-EDIP | ||
| DS1644P-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1646-120+ | Real Time Clock NV Timekeeping RAM | ||
| DS1644120PULLS | INSTOCK | ||
| DS1644-120IND | New and Original | ||
| DS1644-150+ | Real Time Clock, Non-Volatile, 28 Pin, Plastic, DIP | ||
| DS1644-200 | New and Original | ||
| DS1644J | New and Original | ||
| DS1644L-120. | New and Original | ||
| DS1644P-120(SMD) | New and Original | ||
| DS1646W-120 | New and Original | ||
| DS1647-120/150(PB FREE) | New and Original | ||
| DS1647-120IND | New and Original | ||
| DS1647-120IND+ | New and Original | ||
| DS1647-150 | New and Original | ||
| DS1648 | New and Original | ||
| DS1644P+120 | 0 TIMER(S), REAL TIME CLOCK, DMA34 | ||
| DS1646 | New and Original | ||
| DS1646-100+ | New and Original | ||
| DS1647+120 | New and Original | ||
| DS1649J/883B | New and Original | ||
| DS1644-200IND | New and Original | ||
| DS1644L-120 | Real Time Clock | ||
| DS1644W-200+ | New and Original | ||
| DS1646-120 | IC RAM TIMEKEEP NV 120NS 32-EDIP | ||
| DS1647P-120+ | Real Time Clock NV Timekeeping RAM |