 | |  | |
| PartNumber | DS1556-70+ | DS1556-70IND+ | DS1556-70 |
| Description | Real Time Clock 1M NV RAM Timekeeper | Real Time Clock 1M NV RAM Timekeeper | Real Time Clock 1M NV RAM Timekeeper |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | EDIP-32 | EDIP-32 | eDIP |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | - |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 128 kB | 131072 B | 131072 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 | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Packaging | Tube | Tube | Bulk |
| Function | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1556 | DS1556 | DS1556 |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 11 | 11 | 11 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-15560+070 DS1556 | 90-15560+07I DS1556 | DS1556 |
| Battery Backup Switching | - | Backup Switching | - |
| Operating Supply Current | - | 30 mA | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1556-70+ | Real Time Clock 1M NV RAM Timekeeper | |
| DS1556-70IND+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556WP-120IND+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556W-120IND+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556WP-120+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556W-120+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556P-70+ | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556P-70 | Real Time Clock | ||
| DS1556P-70IND | Real Time Clock | ||
| DS1556WP-120IND | Real Time Clock | ||
| DS1556-70 | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556WP-120 | Real Time Clock 1M NV RAM Timekeeper | ||
| DS1556P-70IND | IC RTC RAM Y2K 5V 70NS 34-PCM | ||
| DS1556W-120IND+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556P-70+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556-70IND+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556WP-120IND+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556-70+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556W-120+ | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556WP-120+ | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1556P-70 | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1556-70IND | Real Time Clock 1M NV RAM Timekeepe | ||
| DS1556-70-W | Real Time Clock | ||
| DS1556-70 | IC RTC CLK/CALENDAR PAR 32-EDIP | ||
| DS1556W-120 | IC RTC CLK/CALENDAR PAR 32-EDIP | ||
| DS1556W-120IND | IC RTC CLK/CALENDAR PAR 32-EDIP | ||
| DS1556WP+120 | New and Original | ||
| DS1556WP-120/DS1558D | New and Original | ||
| DS1556WP-120IND | IC RTC CLK/CALENDAR PAR 34-PCM | ||
| DS1556P-70IND+ | Real Time Clock 1M NV RAM Timekeepe |