| Image | Manufacturer Part Number | Description | Stock | Price in INR | DataSheet | Series | Operating Temperature | Package | Type | Features | Packaging | Supply Voltage | Manufacturer | Interface | Memory Size | Time - Format | Date - Format | Voltage - Supply, Battery | Mounting Type | Category | Family |
 | IN1307N | (DS1307) IC CMOS REAL TIME WATCH 64X8 RAM 8-DIP
SK-IN1307N | 46 | 15 to 26.24 |  | * | -40°C ~ 85°C | 8-DIP | Clock/Calendar | * | Tube | 4.5 V ~ 5.5 V | IK Semicon | * | * | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2 V ~ 3.5 V | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | IN1307DT | IC CMOS REAL TIME WATCH WITH SERIAL INTERFACE 8-SOIC
SK-IN1307DT | 4 | 27 to 47.22 | | * | -40°C ~ 85°C | 8-SOIC | Clock/Calendar | * | Tape & Reel | 4.5 V ~ 5.5 V | IK Semicon | Serial | * | * | * | * | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | M41T82RM6E | IC RTC CLOCK/CALENDAR 8-SOIC
SK-M41T82RM6E | 0 | 300 to 439.23 | | * | -40°C ~ 85°C | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | Alarm, Leap Year, SRAM, Watchdog Timer | Bulk | 2.7 V ~ 5.5 V | STMicroelectronics | I²C, 2-Wire Serial | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | PCF8583P/F5 | IC RTC CLK/CALENDAR I2C 8-DIP
SK-PCF8583P/F5 | 0 | 100 to 146.41 | | * | -40°C ~ 85°C | 8-DIP (0.300", 7.62mm) | Clock/Calendar | Alarm, NVSRAM, Square Wave Output | Cut Tape | 2.5 V ~ 6 V | NXP Semiconductors | I²C, 2-Wire Serial | 240B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD | * | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | NB3N2304NZDTR2G | IC CLOCK BUFFER 1:4 140MHZ 8TSSOP
SK-NB3N2304NZDTR2G | 0 | 61.4 to 96.61 | | * | -40°C ~ 85°C | 8-TSSOP (0.173", 4.40mm Width) | Fanout Buffer (Distribution) | * | Tape & Reel | 3 V ~ 3.6 V | ON Semiconductor | * | * | * | * | * | Surface Mount | Integrated Circuits | Clock/Timing - Clock Buffers, Drivers |
 | MCP79512T-I/MS | IC REAL TIME CLOCK SPI 10-MSOP
SK-MCP79512T-I/MS | 0 | 73.5 to 115.65 | | * | -40°C ~ 85°C | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM | Tape & Reel | 1.8 V ~ 3.6 V | Microchip Technology | SPI | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1.3 V ~ 3.6 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | RTC-4543SA-Q41454351000100 | IC REAL TIME CLOCK SERIAL INTERFACE 14-SOIC
SK-RTC-4543SA-Q41454351000100 | 0 | 146 to 213.76 | | * | -40°C ~ 85°C | 14-SOIC (0.209", 5.30mm Width) | Clock/Calendar | Leap Year | Tape & Reel | 2.5 V ~ 5.5 V | EPSON | 3-Wire Serial | * | HH:MM:SS (24 hr) | YY-MM-DD-dd | * | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS12887 | IC RTC CLOCK/CALENDAR PARALLEL 24-EDIP
SK-DS12887 | 0 | 150 to 219.62 | | * | 0°C ~ 70°C | 24-DIP Module (0.600", 15.24mm) | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square | Tube | 4.5 V ~ 5.5 V | Dallas | Parallel | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.5 V ~ 4 V | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS1307Z-T-R | IC REAL TIME CLOCK CALENDAR 8-SOIC
SK-DS1307Z-T-R | 0 | 28 to 48.97 | | * | 0°C ~ 70°C | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | Tape & Reel | 4.5 V ~ 5.5 V | Maxim / Dallas | I²C, 2-Wire Serial | 56b | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 3.5 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS1339C-33 | INTEGRATED CIRCUIT RTC CLOCK/CALENDAR I2C 16-SOIC
SK-DS1339C-33 | 0 | 203 | | * | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm Width) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Char | Tube | 2.97 V ~ 5.5 V | Maxim Integrated | I²C, 2-Wire Serial | * | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.3 V ~ 3.7 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS1390U-33P | (DS1390U-33+) INTEGRATED CIRCUIT RTC CLOCK/CALENDAR SPI 10-USOP
SK-DS1390U-33P | 0 | 255.35 to 373.86 | | * | -40°C ~ 85°C | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Char | Tube | 2.97 V ~ 5.5 V | Maxim Integrated | SPI | * | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.3 V ~ 5.5 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS3231S | INTEGRATED CIRCUIT RTC CLOCK/CALENDAR I2C 16-SOIC (DS3231S#)
SK-DS3231S | 0 | 500 to 680.24 | | | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm Width) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal | Tube | 2.3 V ~ 5.5 V | Maxim Integrated | I²C, 2-Wire Serial | | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.3 V ~ 5.5 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS3234SN | INTEGRATED CIRCUIT REAL TIME CLOCKS CLK/CALENDAR SPI 20-SOIC
SK-DS3234SN | 0 | 308 to 450.94 | | * | -40°C ~ 85°C | 20-SOIC (0.295", 7.50mm Width) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/C | Tube | 2 V ~ 5.5 V | Maxim Integrated | SPI | 256B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 3.8 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS1302Z | INTEGRATED CIRCUIT RTC CLK/CALENDAR SER 8-SOIC
SK-DS1302Z | 0 | 56 to 88.12 | | * | 0°C ~ 70°C | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | Leap Year, NVSRAM, Trickle-Charger | Tube | 2 V ~ 5.5 V | Maxim Integrated | 3-Wire Serial | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | UM3561 | 3 SIREN SOUND GENERATOR CMOS LSI ALARM 8-DIP
SK-UM3561 | 0 | 170 to 248.90 | | * | 10°C ~ 60°C | 8-DIP | Alarm | * | Tube | -0.3 V ~ 5 V | Bowin Microelectronics | * | * | * | * | * | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS12C887 | INTEGRATED CIRCUIT RTC CLOCK/CALENDAR PAR 24-EDIP
SK-DS12C887 | 0 | 269.05 | | * | 0°C ~ 70°C | 24-DIP Module (0.600", 15.24mm) | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square | Tube | 4.5 V ~ 5.5 V | Maxim Integrated | Parallel | 113B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.5 V ~ 4 V | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | PCF8583T | INTEGRATED CIRCUIT (IC) REAL TIME CLOCK/CALENDAR I2C 8-SOIC
SK-PCF8583T | 0 | 42 to 73.46 | | * | -40°C ~ 85°C | 8-SOIC (0.295", 7.50mm Width) | Clock/Calendar | Alarm, NVSRAM, Square Wave Output | Tape & Reel | 2.5 V ~ 6 V | NXP Semiconductors | I²C, 2-Wire Serial | 240B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | * | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | PCF8563T | INTEGRATED CIRCUIT (IC) REAL TIME CLOCK/CALENDAR I2C 8-SOIC
SK-PCF8563T | 0 | 15.32 to 26.79 | | * | -40°C ~ 85°C | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | Tube | 1.8 V ~ 5.5 V | NXP Semiconductors | I²C, 2-Wire Serial | * | HH:MM:SS (24 hr) | YY-MM-DD-dd | * | Surface Mount | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | DS1307 | INTEGRATED CIRCUIT(IC) REAL TIME CLOCK CLOCK/CALENDAR I2C 8-DIP
SK-DS1307 | 0 | 15 to 26.24 | | * | 0°C ~ 70°C | 8-DIP (0.300", 7.62mm) | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | Tube | 4.5 V ~ 5.5 V | Maxim Integrated | I²C, 2-Wire Serial | 56b | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2 V ~ 3.5 V | Through Hole | Integrated Circuits | Clock/Timing - Real Time Clocks |
 | SC8560 | DIGITAL ALARM CLOCK SDIP-28
SK-SC8560 | 0 | 65.2 to 85.46 | | * | -30°C ~ 70°C | SDIP-28 | Digital Clock IC | * | Bulk | -15 V ~ 0.3 V | Silan Microelectronics | * | * | HH:MM:SS (24 hr) | YY-MM-DD-dd | * | Through Hole | Integrated Circuits | * |