| Photo | Mfr. Part # | Availability | Quantity | Datasheet | RoHs | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | M48T35Y-70MH1EIC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics | 2,009 |  |   Datasheet |  | Timekeeper® | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 2mA @ 4.75V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOH | 
|   | M48T37V-10MH6EIC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics | 2,545 |  |   Datasheet |  | Timekeeper® | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | - | 2mA @ 3V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 44-SOH | 
|   | M48T37Y-70MH6EIC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics | 2,779 |  |   Datasheet |  | Timekeeper® | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 44-SOH | 
|   | M48T59Y-70MH1FIC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics | 1,339 |  |   Datasheet |  | Timekeeper® | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOH | 
|   | M48T08Y-10MH1EIC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics | 1,369 |  |   Datasheet |  | Timekeeper® | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOH | 
|   | M48T37V-10MH1EIC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics | 1,334 |  |   Datasheet |  | Timekeeper® | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | - | 2mA @ 3V ~ 3.6V | 0°C ~ 70°C | Surface Mount | - | - | 44-SOH | 
|   | M48T37Y-70MH1EIC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics | 2,253 |  |   Datasheet |  | Timekeeper® | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 44-SOH | 
|   | M48T59Y-70PC1IC RTC CLK/CALENDAR PAR 28DIP STMicroelectronics | 1,198 |  |   Datasheet |  | Timekeeper® | 28-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 28-PCDIP, CAPHAT® | 
|  | M48T02-200PC1IC RTC CLK/CALENDAR PAR 24-DIP STMicroelectronics | 1,749 |  |   Datasheet |  | Timekeeper® | 24-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.5V | - | 3mA @ 4.7V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PCDIP, CAPHAT® | 
|   | M48T35Y-70MH6FIC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics | 1,309 |  |   Datasheet |  | Timekeeper® | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 2mA @ 4.75V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 28-SOH |