PartNumber | DS1243Y-120+ | DS1244W-120+ | DS1244W-120 |
Description | Real Time Clock 64k NV SRAM w/Phantom Clock | Real Time Clock 256k NV SRAM w/Phantom Clock | 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 | Through Hole | Through Hole | - |
Package / Case | EDIP-28 | EDIP-28 | EDIP-28 |
RTC Bus Interface | Parallel | Phantom Clock | Parallel, Phantom Clock |
Date Format | DW:DM:M:Y | YY-MM-DD-dd | DW:DM:M:Y |
Time Format | HH:MM:SS:hh | HH:MM:SS:hh | HH:MM:SS:hh |
RTC Memory Size | 8 kB | 256 kB | 32768 B |
Supply Voltage Max | 5.5 V | 5 V | 3.63 V |
Supply Voltage Min | 4.5 V | 3.3 V | 2.97 V |
Minimum Operating Temperature | 0 C | 0 C | 0 C |
Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
Packaging | Tube | Tube | - |
Function | Calendar, Clock, NV Timekeeping RAM | Alarm, Calendar, Clock | - |
Product | Real Time Clocks | Real Time Clocks | - |
Series | DS1243Y | DS1244W | DS1244W |
Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
Factory Pack Quantity | 12 | 12 | - |
Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
Part # Aliases | 90-1243Y+120 DS1243Y | 90-1244W+120 DS1244W | DS1244W |
Battery Backup Switching | - | Backup Switching | - |
Memory Type | - | NV RAM | - |