| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Package/Case | Packaging | Series | ProductStatus | Type | Features | MemorySize | TimeFormat | DateFormat | Interface | Voltage-Supply | Voltage-SupplyBattery | Current-Timekeeping(Max) | OperatingTemperature | MountingType | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | M41T256YMH7FIC RTC CLK/CALENDAR I2C 44-SOH | 2,583 | - | RFQ |   Datasheet | 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT | Tape & Reel (TR),Cut Tape (CT) | Timekeeper® | Obsolete | Clock/Calendar | Leap Year, NVSRAM | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.5V | 2.5mA @ 4.5V ~ 5.5V | -25°C ~ 70°C | Surface Mount | 
|   | M41T256YMT7FIC RTC CLK/CALENDAR I2C 44-SOP | 2,095 | - | RFQ |   Datasheet | 44-BSOP (0.337, 8.56mm Width) | Tape & Reel (TR),Cut Tape (CT) | Timekeeper® | Obsolete | Clock/Calendar | Leap Year, NVSRAM | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.5V | 2.5mA @ 4.5V ~ 5.5V | -25°C ~ 70°C | Surface Mount | 
|   | M41ST84WMQ6FIC RTC CLK/CALENDAR I2C 16-SOIC | 2,726 | - | RFQ |   Datasheet | 16-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 3.6V | 2.5V ~ 3.5V | 0.5mA @ 2.7V ~ 3.6V | -40°C ~ 85°C | Surface Mount | 
|   | ISL1208IU8IC RTC CLK/CALENDAR I2C 8-MSOP | 3,345 | - | RFQ |   Datasheet | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM | 2B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | DS1284QN+IC RTC CLK/CALENDAR PAR 28-PLCC | 2,549 | - | RFQ |   Datasheet | 28-LCC (J-Lead) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 3.5V | 7mA @ 5V | -40°C ~ 85°C | Surface Mount | 
|   | DS1384FP-12+IC RTC CLK/CALENDAR PAR 44-MQFP | 2,708 | - | RFQ |   Datasheet | 44-QFP | Tray | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 4V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | 
|   | DS14285Q+IC RTC CLK/CALENDAR PAR 28-PLCC | 6,824 | - | RFQ |   Datasheet | 28-LCC (J-Lead) | Tube,Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.6V | 0.5µA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | 
|   | DS1742W-150+IC RTC CLK/CALENDAR PAR 24-EDIP | 3,894 | - | RFQ |   Datasheet | 24-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM, Y2K | 2KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 2mA @ 3.3V | 0°C ~ 70°C | Through Hole | 
|   | DS1743-70+IC RTC CLK/CALENDAR PAR 28-EDIP | 3,347 | - | RFQ |   Datasheet | 28-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 
|   | DS1743-100+IC RTC CLK/CALENDAR PAR 28-EDIP | 3,051 | - | RFQ |   Datasheet | 28-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 
|   | DS1743P-100+IC RTC CLK/CALENDAR PAR 34-PCM | 2,176 | - | RFQ |   Datasheet | 34-PowerCap™ Module | Bulk,Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 3V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | 
|   | DS1284Q+IC RTC CLK/CALENDAR PAR 28-PLCC | 3,215 | - | RFQ |   Datasheet | 28-LCC (J-Lead) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 3.5V | 7mA @ 5V | 0°C ~ 70°C | Surface Mount | 
|   | DS1284+IC RTC CLK/CALENDAR PAR 28-DIP | 1,993 | - | RFQ |   Datasheet | 28-DIP (0.600, 15.24mm) | Tube,Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 3.5V | 7mA @ 5V | 0°C ~ 70°C | Through Hole | 
|   | DS1286+IC RTC CLK/CALENDAR PAR 28-EDIP | 2,921 | - | RFQ |   Datasheet | 28-DIP Module (0.61, 15.49mm), 23 Leads | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 3.5V | 7mA @ 5V | 0°C ~ 70°C | Through Hole | 
|  | DS1386-32-120+IC RTC CLK/CALENDAR PAR 32-DIP | 2,960 | - | RFQ |   Datasheet | 32-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer | 32KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 5V | 0°C ~ 70°C | Through Hole | 
|   | DS14287+IC RTC CLK/CALENDAR PAR 24-EDIP | 2,036 | - | RFQ |   Datasheet | 24-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.6V | 0.5µA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | 
|  | DS1486-120+IC RTC CLK/CALENDAR PAR 32-EDIP | 3,300 | - | RFQ |   Datasheet | 32-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer | 128KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 5V | 0°C ~ 70°C | Through Hole | 
|   | DS1501WEN+IC RTC CLK/CALENDAR PAR 28-TSOP | 2,393 | - | RFQ |   Datasheet | 28-TSSOP (0.465, 11.80mm Width) | Tray | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | 2.5V ~ 3.7V | 4mA @ 3V ~ 3.6V | -40°C ~ 85°C | Surface Mount | 
|   | DS1501WE+IC RTC CLK/CALENDAR PAR 28-TSOP | 2,063 | - | RFQ |   Datasheet | 28-TSSOP (0.465, 11.80mm Width) | Tray | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | 2.5V ~ 3.7V | 4mA @ 3V ~ 3.6V | 0°C ~ 70°C | Surface Mount | 
|   | DS1644-120+IC RTC CLK/CALENDAR PAR 28-EDIP | 3,137 | - | RFQ |   Datasheet | 28-DIP Module (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM | 32KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole |