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Semiconductors »  Integrated Circuits (ICs) »  Clock & Timer ICs (Analog) »  Real Time Clock

Part Number / Keyword Stocked   RoHS Compliant   Limit Products to: All Manufacturers Cypress Semiconductor (50) Epson (9) Maxim Integrated Products (978) Microchip (83) National Semiconductor (TI) (8) NJR (63) NXP (49) Seiko Instruments (14) STMicroelectronics (161) Texas Instruments (81)

Enable Smart Filtering  Real Time Clock (1,496 Matches)   Function   Alarm, Timer Interrupt Calendar, Alarm, Timer Clock, Alarm, Watchdog, Timer Interrupt Clock, Calendar Clock, Calendar, Alarm Clock, Calendar, Alarm, Battery Backup Clock, Calendar, Alarm, Battery Backup, Interrupt Clock, Calendar, Alarm, Battery Backup, NV SRAM Control Clock, Calendar, Alarm, Interrupt Clock, Calendar, Alarm, Interrupt, Square Wave Output Clock, Calendar, Alarm, NV SRAM Control Clock, Calendar, Alarm, Timer Clock, Calendar, Alarm, Timer Interrupt Clock, Calendar, Alarm, Timer, Battery Clock, Calendar, Alarm, Timer, Interrupt Clock, Calendar, Alarm, Trickle Charger Clock, Calendar, Alarm, Watchdog Clock, Calendar, Alarm, Watchdog Timekeeper Clock, Calendar, Alarm, Watchdog Timekeeper, NV SRAM Control Clock, Calendar, Battery Clock, Calendar, Battery Backup Clock, Calendar, Clock Adjustment Clock, Calendar, Elapsed Time Counter Clock, Calendar, Interrupt, Alarm Clock, Calendar, NV SRAM Control Clock, Calendar, NV SRAM Control, Alarm Clock, Calendar, NV Timekeeping RAM Clock, Calendar, NV Timekeeping RAM, Alarm Clock, Calendar, NV Timekeeping RAM, Battery Backup Clock, Calendar, NV Timekeeping RAM, Watchdog Timekeeper Clock, Calendar, NV Timekeeping RAM, Watchdog Timekeeper, Alarm Clock, Calendar, NV Timekeeping RAM, Watchdog Timer, Battery Backup Clock, Calendar, NV Timekeeping RAM, Watchdog Timer, Battery Backup, Alarm Clock, Calendar, NV Timekeeping, RAM Clock, Calendar, Power-On Interval Timer Clock, Calendar, Supervisor Clock, Calendar, Supervisor, Alarm Clock, Calendar, Timekeeper Clock, Calendar, Timer, Alarm, Low Battery Detect Clock, Calendar, Timer, Alarm, Low Battery Detect, Wake-Up Clock, Calendar, Trickle Charger Clock, Calendar, Trickle Charger, NV Timekeeping RAM Clock, Calendar, Watchdog Timekeeper Clock, Calendar, Watchdog Timekeeper, NV SRAM Control Clock, Calendar, Watchdog Timekeeper, NV SRAM Control, Alarm Clock, Calendar, Watchdog Timer, Counter Clock, Calender, Alarm Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt Clock, Watchdog, Alarm, Calendar, Timer, Timer Interrupt Clock/Calendar Serial Clock, Alarm, Calendar, Timer, Timer Interrupt Serial Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt Watchdog Timekeeper Watchdog Timekeeper, Alarm, Binary Counter Reset   RTC Bus Interface   1-Wire 2-Wire, I2C 3-Wire 3-Wire, SPI I2C I2C, SPI I2C-Bus Multiplexed Parallel Phantom Clock Phantom Clock, Parallel Serial Serial 3-Wire Serial 4-Wire SPI SPI, 3-Wire Reset   Date Format   Binary DM:M:DW:Y DW:DM:M:Y DW:DM:M:Y, Binary MM/DD/YY MM:DD:YY YY-MM-DD YY:MM:DD YYWWNNN YYYY:MM:DD Reset   Time Format   Binary HH:MM:SS HH:MM:SS (12 hr, 24 hr) HH:MM:SS (24 hr) HH:MM:SS, Binary HH:MM:SS:hh HH:MM:SS:hh, Binary Reset   RTC Memory Size   3 B 8 B 10 B 12 B 16 B 20 B 28 B 31 B 32 B 50 B 56 B 64 B 64 Byte 64 K 96 B 113 B 0.114 KB 114 B 128 B 160 B 236 B 240 B 0.242 KB 242 B 256 B 512 B 512 bytes 2 KB 2048 B 4096 B 8 KB 8192 B 16 KB 32 KB 32768 B 64 KB 128 KB 131072 B 256 KB 512 KB 524288 B 1 MB 1 Mbit 4 MB 16 MB Reset   Supply Voltage (Max)   1.89 V 2.2 V 3 V 3 V to 3.6 V 3.3 V 3.6 V 3.63 V 3.7 V 4.2 V 4.2 V to 4.5 V 4.4 V 4.5 V to 5.5 V 4.75 V to 5.5 V 5 V 5.25 V + 5.5 5.5 V 6 V Reset   Supply Voltage (Min)   - 0.3 V 1 V 1.1 V 1.2 V 1.3 V 1.5 V 1.6 V 1.7 V 1.71 V 1.8 V + 2 V 2 V 2.2 V 2.3 V 2.38 V 2.4 V 2.5 V 2.7 V 2.8 V 2.97 V 3 V 4.5 V 4.75 V Reset   Maximum Operating Temperature ≤ ≥ + 70 C 70 C + 80 C 80 C + 85 C 85 C + 125 C Reset   Minimum Operating Temperature   - 40 C - 30 C - 25 C - 20 C - 10 C 0 C Reset   Mounting Style   SMD/SMT Through Hole Reset   Package / Case   BGA CLCC-8 DFN-16 DFN-8 DIP DIP-16 DIP-18 DIP-24 DIP-28 DIP-32 DIP-36 DIP-8 DMP DMP-8 eDIP eDIP-24 EDIP-24 eDIP-28 EDIP-28 eDIP-32 EDIP-32 EMP-8 FBGA-48 Flip-Chip HVQFN-20 (SOT-662-1) HVSON HVSON EP HVSON-8 MQFP MSOP-10 MSOP-8 PBGA-168 PCDIP-24 PCM-34 PDIP PDIP N PDIP W PDIP-14 PDIP-24 PDIP-28 PDIP-32 PDIP-8 PLCC-28 PMDIP PMDIP-32 PowerCap PowerCap-34 QFN QFN-16 QSOP-20 SIP SNT-8A SO-16 SO-24 SO-28 SO-44 SO-8 SOH SOH-28 SOH-44 SOIC-14 SOIC-16 SOIC-18 SOIC-20 SOIC-24 SOIC-28 SOIC-44 SOIC-8 SON-22 SOP-14 SOP-24 SOP-28 SOP-8 SOT-163-1 SOT-176 SOT-96 SOX SOX-16 SOX-18 SSOP-10 SSOP-14 SSOP-16 SSOP-20 SSOP-24 SSOP-48 SSOP-8 TDFN EP TDFN-14 TDFN-6 TDFN-8 TQFN-68 TQFP-32 TQFP-48 TSOC TSOC-6 TSOP TSOP II-44 TSOP II-54 TSOP-28 TSOP-32 TSSOP TSSOP-14 TSSOP-20 TSSOP-24 TSSOP-28 TSSOP-8 uSOP uSOP-10 uSOP-8 VFQFPN VFQFPN-16 VSP-8 Reset   Packaging   Bulk Cut Tape Reel Reel - 13 in Tray Tube Reset   Please modify your search so that it will return results. To use the less than or greater than function, please select a value first. Close Window

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Description Availability Pricing (USD) Quantity RoHS Function RTC Bus Interface Date Format Time Format RTC Memory Size Supply Voltage (Max) Supply Voltage (Min) Maximum Operating Temperature Minimum Operating Temperature Mounting Style Package / Case Packaging Enlarge Larger Image Images are for reference only See Product Specifications 579-MCP79410-I/MS MCP79410-I/MS New Product Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More Page 2,731 Data Sheet 257 In Stock 1: $1.12 10: $0.94 25: $0.87 100: $0.82   More: Get Quote Min.: 1 Mult.: 1 Details Clock/Calendar I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT MSOP-8 Tube Enlarge Images are for reference only See Product Specifications 771-PCF8563TS/5118 To purchase full reel, order in multiples of 2500: PCF8563TS/5,118 New Product NXP Semiconductors Real Time Clock Binary I2C 1-5V Page 349 Data Sheet 2,314 In Stock Cut Tape 1: $1.48 25: $1.34 100: $1.17 250: $1.03 500: View Reel 2,500 : $0.672 Min.: 1 Mult.: 1 Reel: 2,500 Details Clock, Calendar, Alarm, Timer I2C Binary Binary 5.5 V 1 V + 85 C - 40 C SMD/SMT TSSOP-8 Reel Enlarge Images are for reference only See Product Specifications 579-MCP7940N-I/MS MCP7940N-I/MS New Product Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM Learn More Page 2,731 Data Sheet 446 In Stock 1: $0.93 10: $0.78 25: $0.72 100: $0.68   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm, Battery Backup 2-Wire, I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT MSOP-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 700-DS1343D-33+ DS1343D-33+ New Product Maxim Integrated Products Real Time Clock Low-Current SPI/3-Wire RTC Learn More Data Sheet 490 In Stock More Info Available 1: $4.48 25: $2.59 100: $2.39 500: $2.27   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calender, Alarm 3-Wire, SPI DW:DM:M:Y HH:MM:SS 96 B 5.5 V 3 V + 85 C - 40 C SMD/SMT TDFN-14 Tube Enlarge Larger Image Images are for reference only See Product Specifications 579-MCP79410-I/SN MCP79410-I/SN New Product Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More Page 2,731 Data Sheet 1,048 In Stock 1: $1.08 10: $0.90 25: $0.83 100: $0.79   More: Get Quote Min.: 1 Mult.: 1 Details Clock/Calendar I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT SOIC-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 579-MCP7940NT-I/MNY To purchase full reel, order in multiples of 3300: MCP7940NT-I/MNY New Product Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM Learn More Page 2,731 Data Sheet 3,232 In Stock Cut Tape 1: $0.98 10: $0.82 25: $0.76 100: $0.72   More: Get Quote Min.: 1 Mult.: 1 Reel: 3,300 Details Clock, Calendar, Alarm, Battery Backup 2-Wire, I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT DFN-8 Reel Enlarge Images are for reference only See Product Specifications 579-MCP7940N-I/SN MCP7940N-I/SN New Product Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM Learn More Page 2,731 Data Sheet 998 In Stock 1: $0.88 10: $0.74 25: $0.68 100: $0.65   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm, Battery Backup 2-Wire, I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT SOIC-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 511-M41T62LC6F To purchase full reel, order in multiples of 1000: M41T62LC6F New Product STMicroelectronics Real Time Clock Serial real-time clocks with alarm Data Sheet 761 In Stock Cut Tape 1: $5.16 10: $4.64 100: $3.78 250: $3.44 500: View Reel 1,000 : $2.40 Min.: 1 Mult.: 1 Reel: 1,000 Details Clock, Calendar, Alarm, Timer Interrupt 2-Wire, I2C DW:DM:M:Y HH:MM:SS:hh 16 B 4.4 V 1.3 V + 85 C - 40 C SMD/SMT CLCC-8 Reel Enlarge Images are for reference only See Product Specifications 771-PCF8523T/1118 To purchase full reel, order in multiples of 2500: PCF8523T/1,118 New Product NXP Semiconductors Real Time Clock REAL-TIME CLOCK (RTC) AND CALENDAR Page 349 Data Sheet 1,825 In Stock Cut Tape 1: $1.46 25: $1.31 100: $1.18 250: $1.05 500: View Reel 2,500 : $0.689 Min.: 1 Mult.: 1 Reel: 2,500 Details Clock, Calendar, Alarm, Interrupt I2C 5.5 V 1.6 V + 85 C - 40 C SMD/SMT SOIC-8 Reel Enlarge Images are for reference only See Product Specifications 579-MCP79410-I/ST MCP79410-I/ST New Product Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More Page 2,731 Data Sheet 682 In Stock 1: $1.12 10: $0.94 25: $0.87 100: $0.82   More: Get Quote Min.: 1 Mult.: 1 Details Clock/Calendar I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT TSSOP-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 771-PCF8563T/5518 To purchase full reel, order in multiples of 2500: PCF8563T/5,518 New Product NXP Semiconductors Real Time Clock Binary I2C 1-5V Page 349 Data Sheet 1,757 In Stock Cut Tape 1: $1.42 25: $1.29 100: $1.12 250: $0.989 500: View Reel 2,500 : $0.644 Min.: 1 Mult.: 1 Reel: 2,500 Details Clock, Calendar, Alarm, Timer I2C DW:DM:M:Y HH:MM:SS 5.5 V 1.8 V + 85 C - 40 C SMD/SMT SO-8 Reel Enlarge Larger Image Images are for reference only See Product Specifications 700-DS1341U DS1341U+ New Product Maxim Integrated Products Real Time Clock I2C RTC 6pF Page 322 Data Sheet 390 In Stock 1: $1.57 25: $1.42 100: $1.31 500: $1.24   More: Get Quote Min.: 1 Mult.: 1 Details I2C 5.5 V 1.8 V + 85 C - 40 C SMD/SMT uSOP-8 Tube Enlarge Images are for reference only See Product Specifications 579-MCP7940N-I/ST MCP7940N-I/ST New Product Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM Learn More Page 2,731 Data Sheet 418 In Stock 1: $0.93 10: $0.78 25: $0.72 100: $0.68   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm, Battery Backup 2-Wire, I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT TSSOP-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 700-DS1343E-33+ DS1343E-33+ New Product Maxim Integrated Products Real Time Clock Low-Current SPI/3-Wire RTC Learn More Data Sheet 57 In Stock 1: $3.19 25: $2.79 100: $2.59 500: $2.39   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calender, Alarm 3-Wire, SPI DW:DM:M:Y HH:MM:SS 96 B 5.5 V 3 V + 85 C - 40 C SMD/SMT TSSOP-20 Tube Enlarge Images are for reference only See Product Specifications 700-DS3231M+ DS3231M+ New Technology Maxim Integrated Products Real Time Clock 5+/-ppm RTC Page 322 Data Sheet 187 In Stock 1: $8.69 25: $4.41 100: $4.05 500: $3.85   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm I2C DW:DM:M:Y HH:MM:SS 5.5 V 2.3 V + 85 C - 40 C SMD/SMT SOIC-16 Tube Enlarge Images are for reference only See Product Specifications 771-PCF8523TS/1118 To purchase full reel, order in multiples of 2500: PCF8523TS/1,118 New Product NXP Semiconductors Real Time Clock REAL-TIME CLOCK (RTC) AND CALENDAR Page 349 Data Sheet 2,967 In Stock Cut Tape 1: $1.53 25: $1.38 100: $1.24 250: $1.12 500: View Reel 2,500 : $0.689 Min.: 1 Mult.: 1 Reel: 2,500 Details Clock, Calendar, Alarm, Timer, Battery I2C DW:DM:M:Y HH:MM:SS 5.5 V 1.2 V + 85 C - 40 C SMD/SMT TSSOP-14 Reel Enlarge Images are for reference only See Product Specifications 771-PCF8523TS/1112 PCF8523TS/1,112 New Product NXP Semiconductors Real Time Clock REAL-TIME CLOCK (RTC) AND CALENDAR Page 349 Data Sheet 2,383 In Stock 1: $1.42 25: $1.27 100: $1.14 250: $1.02 500: View Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm, Timer, Battery I2C DW:DM:M:Y HH:MM:SS 5.5 V 1.2 V + 85 C - 40 C SMD/SMT TSSOP-14 Tube Enlarge Images are for reference only See Product Specifications 771-PCF8523TK/1118 To purchase full reel, order in multiples of 6000: PCF8523TK/1,118 New Product NXP Semiconductors Real Time Clock REAL-TIME CLOCK (RTC) AND CALENDAR Page 349 Data Sheet 3,436 In Stock Cut Tape 1: $1.46 25: $1.31 100: $1.18 250: $1.05 500: View Min.: 1 Mult.: 1 Reel: 6,000 Details Clock, Calendar, Alarm, Interrupt I2C 5.5 V 1.6 V + 85 C - 40 C SMD/SMT HVSON-8 Reel Enlarge Larger Image Images are for reference only See Product Specifications 579-MCP79410T-I/MNY To purchase full reel, order in multiples of 3300: MCP79410T-I/MNY New Product Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More Page 2,731 Data Sheet 2,894 In Stock Cut Tape 1: $1.17 10: $0.98 25: $0.91 100: $0.86   More: Get Quote Min.: 1 Mult.: 1 Reel: 3,300 Details Clock/Calendar I2C DW:DM:M:Y HH:MM:SS 64 B 5.5 V 1.8 V + 85 C - 40 C SMD/SMT TDFN-8 Reel Enlarge Larger Image Images are for reference only See Product Specifications 700-DS3231MZ+ DS3231MZ+ New Product Maxim Integrated Products Real Time Clock 5+/-ppm RTC Learn More Page 322 Data Sheet 253 In Stock More Info Available 1: $8.43 25: $4.28 100: $3.93 500: $3.73   More: Get Quote Min.: 1 Mult.: 1 Clock, Calendar, Alarm I2C DW:DM:M:Y HH:MM:SS 5.5 V 2.3 V + 85 C - 40 C SMD/SMT SOIC-8 Tube Enlarge Larger Image Images are for reference only See Product Specifications 511-M41T93SMY6F To purchase full reel, order in multiples of 1000: M41T93SMY6F STMicroelectronics Real Time Clock Serial SPI bus RTC Data Sheet 512 In Stock Cut Tape 1: $4.64 10: $4.12 100: $3.57 250: $3.41 500: View Reel 1,000 : $2.54 MouseReel Available Min.: 1 Mult.: 1 Reel: 1,000 Details Clock, Calendar, Alarm, Battery Backup, Interrupt SPI DW:DM:M:Y HH:MM:SS:hh 32 B 5.5 V 3 V + 85 C - 40 C SMD/SMT SOX-18 Reel 700-DS17887-3IND+ DS17887-3IND+ New At Mouser Maxim Integrated Products Real Time Clock 3V/5V RTC Data Sheet 112 In Stock 1: $21.51 25: $17.07 100: $15.38   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Alarm Multiplexed DW:DM:M:Y, Binary HH:MM:SS, Binary 8192 B 3.7 V 2.7 V + 85 C - 40 C Through Hole eDIP Tube Enlarge Larger Image Images are for reference only See Product Specifications 511-M48T0215PC1 M48T02-150PC1 STMicroelectronics Real Time Clock 16K (2Kx8) 150ns Data Sheet 65 In Stock More Info Available 1: $10.98 10: $10.07 100: $9.69 250: $9.30 500: View Min.: 1 Mult.: 1 Details Clock, Calendar, NV Timekeeping RAM, Battery Backup Parallel DW:DM:M:Y HH:MM:SS 2 KB 5.5 V 4.75 V + 70 C 0 C Through Hole PCDIP-24 Tube 700-DS3231S# DS3231S# New At Mouser Maxim Integrated Products Real Time Clock Integrated RTC/TCXO/Crystal Page 322 Data Sheet 494 In Stock More Info Available 1: $8.40 25: $4.26 100: $3.92 500: $3.72   More: Get Quote Min.: 1 Mult.: 1 Details Clock, Calendar, Battery Backup Serial HH:MM:SS 5.5 V 2.3 V + 70 C 0 C SMD/SMT SOIC-16 Tube Enlarge Larger Image Images are for reference only See Product Specifications 700-DS1511W DS1511W+ Maxim Integrated Products Real Time Clock Y2K-Compliant Watchdog Page 322 Data Sheet 76 In Stock 1: $22.49 25: $11.41 100: $10.49 500: $9.96   More: Get Quote Min.: 1 Mult.: 1 Details Watchdog Timekeeper Parallel YYYY:MM:DD HH:MM:SS 256 B 3.6 V 3 V + 70 C 0 C Through Hole DIP-28 Tube

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