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5.5 V Clock & Timer ICs

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 RV-3028-C8-32.768kHz-1PPM-TA-QA Micro Crystal 1: $3.80 860In Stock 1,000Expected 2026/10/12 New Product	Mfr. Part No. RV-3028-C8-32.768kHz-1PPM-TA-QA Mouser Part No 428-RV3028C81PPMTAQA New Product	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 Learn More about Micro Crystal rv 3028 c8 rtc modules	Datasheet	860In Stock 1,000Expected 2026/10/12	Cut Tape $3.80 $2.84 $2.58 $2.33 Reel $2.21 View $2.21 $2.05 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: $37.34 1,449In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1,449In Stock	$37.34 $28.92 $27.34 $26.18 View $25.04 $23.91	Min.: 1 Mult.: 1
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: $1.33 82,204In Stock	Mfr. Part No. PCF85363ATL/AX Mouser Part No 771-PCF85363ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.	Datasheet	82,204In Stock	Cut Tape $1.33 $1.05 $0.972 $0.893 View Reel $0.755 $0.856 $0.833 $0.823 $0.802 $0.755 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Real Time Clock 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: $41.26 864In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	864In Stock	$41.26 $29.26 $28.31 $26.98 $26.40	Min.: 1 Mult.: 1
Real Time Clock 64K (8Kx8) 150ns M48T18-150PC1 STMicroelectronics 1: $50.47 408In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	408In Stock	$50.47 $38.12 $36.46 $35.83 View $35.81 Quote	Min.: 1 Mult.: 1
Clock Buffer 3.3V/5V ECL 1:2 Diff Fanout Buffer MC100EP11DR2G onsemi 1: $9.28 2,953In Stock	Mfr. Part No. MC100EP11DR2G Mouser Part No 863-MC100EP11DR2G	onsemi	Clock Buffer 3.3V/5V ECL 1:2 Diff Fanout Buffer	Datasheet	2,953In Stock	Cut Tape $9.28 $7.19 $6.68 $6.11 View Reel $5.08 $5.83 $5.66 $5.48 $5.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: $41.14 967In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	967In Stock	Cut Tape $41.14 $33.31 $31.34 $30.04 View Reel $26.42 $28.17 $27.16 $26.42 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/ST Microchip Technology 1: $1.98 5,140In Stock	Mfr. Part No. MCP795W22-I/ST Mouser Part No 579-MCP795W22-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	5,140In Stock	$1.98 $1.84 $1.81	Min.: 1 Mult.: 1
Real Time Clock 4-wire Real Time Clock Module R2045S-E2-FE Nisshinbo 1: $4.72 3,638In Stock	Mfr. Part No. R2045S-E2-FE Mouser Part No 848-R2045S-E2-FE	Nisshinbo	Real Time Clock 4-wire Real Time Clock Module	Datasheet	3,638In Stock	Cut Tape $4.72 $3.57 $3.28 $2.97 Reel $2.50 View $2.81 $2.56 $2.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Real Time Clock 2-Wire Real Time Clock IC R2051S02-E2-F Nisshinbo 1: $1.73 2,000In Stock	Mfr. Part No. R2051S02-E2-F Mouser Part No 848-R2051S02E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,000In Stock	Cut Tape $1.73 $1.26 $1.15 $1.06 Reel $0.833 View $0.835 $0.827 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400-I/MS Microchip Technology 1: $1.00 5,400In Stock	Mfr. Part No. MCP79400-I/MS Mouser Part No 579-MCP79400IMS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	5,400In Stock	$1.00 $0.92 $0.897	Min.: 1 Mult.: 1
Clock Drivers & Distribution OscltrorDrvrCrystal OscltrorCrmcRsntr SN74LVC1404DCUR Texas Instruments 1: $0.84 3,492In Stock	Mfr. Part No. SN74LVC1404DCUR Mouser Part No 595-SN74LVC1404DCUR	Texas Instruments	Clock Drivers & Distribution OscltrorDrvrCrystal OscltrorCrmcRsntr	Datasheet	3,492In Stock	Cut Tape $0.84 $0.644 $0.597 $0.544 View Reel $0.476 $0.519 $0.505 $0.504 $0.476 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/MS Microchip Technology 1: $1.17 3,729In Stock	Mfr. Part No. MCP79412-I/MS Mouser Part No 579-MCP79412IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3,729In Stock	$1.17 $1.08 $1.07	Min.: 1 Mult.: 1
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401-I/SN Microchip Technology 1: $1.04 13,563In Stock	Mfr. Part No. MCP79401-I/SN Mouser Part No 579-MCP79401ISN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	13,563In Stock	$1.04 $0.961 $0.936	Min.: 1 Mult.: 1
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/ST Microchip Technology 1: $1.17 4,615In Stock	Mfr. Part No. MCP79412-I/ST Mouser Part No 579-MCP79412IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,615In Stock	$1.17 $1.08 $1.07	Min.: 1 Mult.: 1
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234SN# Analog Devices / Maxim Integrated 1: $17.68 19,291In Stock	Mfr. Part No. DS3234SN# Mouser Part No 700-DS3234SN#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	19,291In Stock	$17.68 $14.01 $12.16 $11.33 View $10.87 $10.65 $10.55 Quote	Min.: 1 Mult.: 1 Max.: 15,432
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744P-70IND+ Analog Devices / Maxim Integrated 1: $63.99 912In Stock	Mfr. Part No. DS1744P-70IND+ Mouser Part No 700-DS1744P-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	912In Stock	$63.99 $52.31 $49.38 $48.00 $44.64	Min.: 1 Mult.: 1 Max.: 729
Real Time Clock Ultra-Low power 12C Real Time clock w/ p MAX31331EWC+T Analog Devices / Maxim Integrated 1: $2.29 9,466In Stock	Mfr. Part No. MAX31331EWC+T Mouser Part No 700-MAX31331EWC+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power 12C Real Time clock w/ p Learn More about Analog Devices / Maxim Integrated maxim max31331 real time clock	Datasheet	9,466In Stock	Cut Tape $2.29 $1.90 $1.79 $1.78 Reel $1.54 $1.51 MouseReel Available	Min.: 1 Mult.: 1 Max.: 7,572 : 2,500
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: $3.84 2,355In Stock	Mfr. Part No. M41T01M6F Mouser Part No 511-M41T01M6F	STMicroelectronics	Real Time Clock Low-Pwr serial RTC W/ battry switchover Learn More about STMicroelectronics stm standard products	Datasheet	2,355In Stock	Cut Tape $3.84 $2.95 $2.64 $2.40 View Reel $1.95 $2.28 $2.24 $2.16 $1.95 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock Serial 160 (20x8) M41T80M6F STMicroelectronics 1: $5.70 2,400In Stock	Mfr. Part No. M41T80M6F Mouser Part No 511-M41T80M6F	STMicroelectronics	Real Time Clock Serial 160 (20x8)	Datasheet	2,400In Stock	Cut Tape $5.70 $4.41 $4.08 $3.69 View Reel $3.33 $3.52 $3.41 $3.36 $3.33 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: $7.61 1,029In Stock	Mfr. Part No. M41T93ZQA6F Mouser Part No 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1,029In Stock	Cut Tape $7.61 $6.13 $5.44 $4.97 View Reel $4.27 $4.72 $4.71 $4.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Real Time Clock LW PWR RTC W/RESEAL 8LD ISL12008IB8Z-T Renesas / Intersil 1: $3.23 1,154In Stock	Mfr. Part No. ISL12008IB8Z-T Mouser Part No 968-ISL12008IB8Z-T	Renesas / Intersil	Real Time Clock LW PWR RTC W/RESEAL 8LD	Datasheet	1,154In Stock	Cut Tape $3.23 $2.41 $2.20 $1.98 Reel $1.67 View $1.87 $1.83 $1.73 $1.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-33+ Analog Devices / Maxim Integrated 1: $6.64 23,930In Stock	Mfr. Part No. DS1338Z-33+ Mouser Part No 700-DS1338Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	23,930In Stock	$6.64 $5.09 $4.70 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1 Max.: 19,147
Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS ISL12022MAIBZ Renesas / Intersil 1: $7.52 760In Stock	Mfr. Part No. ISL12022MAIBZ Mouser Part No 968-ISL12022MAIBZ	Renesas / Intersil	Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS	Datasheet	760In Stock	$7.52 $5.80 $4.55 $4.33 View $4.26 $4.23 $4.18	Min.: 1 Mult.: 1
Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD ISL1209IU10Z-TK Renesas / Intersil 1: $4.01 2,063In Stock	Mfr. Part No. ISL1209IU10Z-TK Mouser Part No 968-ISL1209IU10Z-TK	Renesas / Intersil	Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD	Datasheet	2,063In Stock	Cut Tape $4.01 $3.02 $2.76 $2.51 View Reel $2.11 $2.38 $2.35 $2.11 MouseReel Available	Min.: 1 Mult.: 1 : 1,000

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