 | |  | |
| PartNumber | DS1557WP-120+ | DS1557WP-120IND+ | DS1557WP-120IND |
| Description | Real Time Clock 4M NV RAM Timekeeper | Real Time Clock 4M NV RAM Timekeeper | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PowerCap-34 | PowerCap-34 | PowerCap |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 524288 B | 524288 B | 524288 B |
| Supply Voltage Max | 3.63 V | 3.63 V | 3.63 V |
| Supply Voltage Min | 2.97 V | 2.97 V | 2.97 V |
| Minimum Operating Temperature | 0 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | - |
| Function | Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1557WP | DS1557WP | DS1557WP |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1557W+P12 DS1557WP | 90-1557W+P2I DS1557WP | DS1557WP |
| メーカー | モデル | 説明 | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1557WP-120+ | Real Time Clock 4M NV RAM Timekeeper | |
| DS1557WP-120IND+ | Real Time Clock 4M NV RAM Timekeeper | ||
| DS1557WP-120IND | Real Time Clock | ||
| DS1557WP-120IND+ | Real Time Clock 4M NV RAM Timekeepe | ||
| DS1557WP-120+ | Real Time Clock 4M NV RAM Timekeepe | ||
| DS1557WP120 | ブランドニューオリジナル | ||
| DS1557WP-120 | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1557WP-120IND | IC RTC CLK/CALENDAR PAR 34-PCM |