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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.
Clock Generators & Support Products Clock Generator W-QFN5050-32 T&R 2.5K PI6CG18401ZHIEX Diodes Incorporated 1: $3.18 5,207In Stock	Mfr. Part No. PI6CG18401ZHIEX Mouser Part No 729-PI6CG18401ZHIEX	Diodes Incorporated	Clock Generators & Support Products Clock Generator W-QFN5050-32 T&R 2.5K	Datasheet	5,207In Stock	Cut Tape $3.18 $2.33 $2.13 $1.91 Reel $1.91	Min.: 1 Mult.: 1 Max.: 210 : 2,500
Clock Generators & Support Products 4-Out PCIe Gen 4 Clock Gen PI6CG184Q2ZHQEX Diodes Incorporated 1: $3.39 1,562In Stock	Mfr. Part No. PI6CG184Q2ZHQEX Mouser Part No 729-PI6CG184Q2ZHQEX	Diodes Incorporated	Clock Generators & Support Products 4-Out PCIe Gen 4 Clock Gen	Datasheet	1,562In Stock	Cut Tape $3.39 $2.54 $2.26 $2.09 View Reel $1.78 $2.03 $2.00 $1.95 $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock Real-time Clock Mod I2C Bus PT7C4337WEX Diodes Incorporated 1: $1.08 3,983In Stock	Mfr. Part No. PT7C4337WEX Mouser Part No 729-PT7C4337WEX	Diodes Incorporated	Real Time Clock Real-time Clock Mod I2C Bus Learn More about Diodes Incorporated diodes timing solutions	Datasheet	3,983In Stock	Cut Tape $1.08 $0.774 $0.676 $0.614 View Reel $0.513 $0.592 $0.58 $0.57 $0.513 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. PCA85073ADP/Q900Z NXP Semiconductors 1: $1.65 2,819In Stock 52,500On Order	Mfr. Part No. PCA85073ADP/Q900Z Mouser Part No 771-PCA85073ADPQ900Z	NXP Semiconductors	Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. Learn More about NXP Semiconductors nxp pca85073a cmos rtc	Datasheet	2,819In Stock 52,500On Order On Order Ship Dates Mfr. No: PCA85073ADP/Q900Z Stock: 2,819 Can Dispatch Immediately On Order: 17,500 Expected 16/02/2027 15,000 Expected 22/03/2027 20,000 Expected 06/05/2027 Factory Lead Time: 27 Weeks	Cut Tape $1.65 $1.21 $1.10 $0.973 View Reel $0.82 $0.915 $0.88 $0.856 $0.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package. PCF85063BTL/1,118 NXP Semiconductors 1: $0.80 13,377In Stock	Mfr. Part No. PCF85063BTL/1,118 Mouser Part No 771-PCF85063BTL1118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	13,377In Stock	Cut Tape $0.80 $0.579 $0.525 $0.479 View Reel $0.381 $0.446 $0.426 $0.414 $0.404 $0.381 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package. PCF85263ATT/AJ NXP Semiconductors 1: $1.38 197In Stock 40,000Expected 15/02/2027	Mfr. Part No. PCF85263ATT/AJ Mouser Part No 771-PCF85263ATT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	197In Stock 40,000Expected 15/02/2027	Cut Tape $1.38 $1.01 $0.907 $0.803 View Reel $0.679 $0.754 $0.724 $0.709 $0.679 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package. PCF85263ATT1/AZ NXP Semiconductors 1: $1.45 5,391In Stock 7,500Expected 07/12/2026	Mfr. Part No. PCF85263ATT1/AZ Mouser Part No 771-PCF85263ATT1/AZ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	5,391In Stock 7,500Expected 07/12/2026	Cut Tape $1.45 $1.06 $0.955 $0.844 Reel $0.714 View $0.791 $0.759 $0.733 $0.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: $1.75 8,231In Stock 5,000Expected 03/05/2027	Mfr. Part No. PCF85363ATT/AJ Mouser Part No 771-PCF85363ATT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	8,231In Stock 5,000Expected 03/05/2027	Cut Tape $1.75 $1.28 $1.16 $1.03 Reel $0.861 View $0.965 $0.928 $0.911 $0.847 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: $1.82 9,136In Stock 6,495Expected 10/11/2026	Mfr. Part No. PCF8563TS/5,118 Mouser Part No 771-PCF8563TS/5118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.	Datasheet	9,136In Stock 6,495Expected 10/11/2026	Cut Tape $1.82 $1.34 $1.22 $1.10 Reel $0.943 View $1.04 $1.01 $0.99 $0.902 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod R2025S-E2-FE Nisshinbo 1: $4.48 2,262In Stock	Mfr. Part No. R2025S-E2-FE Mouser Part No 848-R2025S-E2-FE	Nisshinbo	Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod Learn More about Nisshinbo ricoh r2025 i2c bus rtc module	Datasheet	2,262In Stock	Cut Tape $4.48 $3.39 $3.12 $2.82 Reel $2.54 View $2.67 $2.64 $2.42 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Real Time Clock 4-Wire Real Time Clock IC R2043T-E2-F Nisshinbo 1: $1.51 2,176In Stock	Mfr. Part No. R2043T-E2-F Mouser Part No 848-R2043TE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	2,176In Stock	Cut Tape $1.51 $1.10 $0.987 $0.876 Reel $0.741 View $0.822 $0.79 $0.781 $0.725 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Real Time Clock 2-Wire Real Time Clock IC R2051S01-E2-F Nisshinbo 1: $1.78 4,120In Stock	Mfr. Part No. R2051S01-E2-F Mouser Part No 848-R2051S01E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	4,120In Stock	Cut Tape $1.78 $1.31 $1.19 $1.05 Reel $0.885 View $0.982 $0.944 $0.927 $0.865 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Real Time Clock 2-Wire Real Time Clock IC R2221T-E2-F Nisshinbo 1: $1.66 2,268In Stock	Mfr. Part No. R2221T-E2-F Mouser Part No 848-R2221TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,268In Stock	Cut Tape $1.66 $1.22 $1.10 $0.976 Reel $0.821 View $0.917 $0.881 $0.864 $0.802 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Real Time Clock 2-Wire Real Time Clock IC RS5C372A-E2-F Nisshinbo 1: $1.65 2,000In Stock 2,000Expected 05/01/2027	Mfr. Part No. RS5C372A-E2-F Mouser Part No 848-RS5C372AE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC Learn More about Nisshinbo ricoh rtcs	Datasheet	2,000In Stock 2,000Expected 05/01/2027	Cut Tape $1.65 $1.21 $1.09 $0.961 Reel $0.813 View $0.903 $0.868 $0.857 $0.795 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Clock Generators & Support Products 3.3V/5V ECL Clock Generator MC100EP139DTR2G onsemi 1: $22.40 607In Stock	Mfr. Part No. MC100EP139DTR2G Mouser Part No 863-MC100EP139DTR2G	onsemi	Clock Generators & Support Products 3.3V/5V ECL Clock Generator	Datasheet	607In Stock	Cut Tape $22.40 $17.91 $17.21 $16.05 View Reel $13.67 $15.08 $13.67 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Clock Drivers & Distribution 5V ECL/PECL/HST 1:5 Diff Clock Driver MC100EP14DTG onsemi 1: $11.63 1,179In Stock	Mfr. Part No. MC100EP14DTG Mouser Part No 863-MC100EP14DTG	onsemi	Clock Drivers & Distribution 5V ECL/PECL/HST 1:5 Diff Clock Driver	Datasheet	1,179In Stock	$11.63 $9.10 $7.91 $7.74 View $7.34 $7.20 $7.03 Quote	Min.: 1 Mult.: 1
Delay Lines/Timing Elements 3.3V/5V ECL Programmable Delay MC100EP196FAG onsemi 1: $16.97 551In Stock	Mfr. Part No. MC100EP196FAG Mouser Part No 863-MC100EP196FAG	onsemi	Delay Lines/Timing Elements 3.3V/5V ECL Programmable Delay	Datasheet	551In Stock	$16.97 $13.46 $12.58 $11.97 View $11.50 $11.21 $10.80	Min.: 1 Mult.: 1
Clock Buffer BBGECL DUAL DIFF CLK DRV MC100EP210SMNR4G onsemi 1: $22.44 735In Stock	Mfr. Part No. MC100EP210SMNR4G Mouser Part No 863-MC100EP210SMNR4G	onsemi	Clock Buffer BBGECL DUAL DIFF CLK DRV	Datasheet	735In Stock	Cut Tape $22.44 $17.94 $16.82 $15.78 Reel $13.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Clock Buffer 3.3V ECL 1:2 Diff Fanout Buffer MC100LVEL11DR2G onsemi 1: $3.81 2,851In Stock	Mfr. Part No. MC100LVEL11DR2G Mouser Part No 863-MC100LVEL11DR2G	onsemi	Clock Buffer 3.3V ECL 1:2 Diff Fanout Buffer	Datasheet	2,851In Stock	Cut Tape $3.81 $3.00 $2.79 $2.57 $2.48 Reel $2.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Clock Generators & Support Products 3.3V ECL Clock Generator MC100LVEL34DTR2G onsemi 1: $12.40 1,004In Stock	Mfr. Part No. MC100LVEL34DTR2G Mouser Part No 863-MC100LVEL34DTR2G	onsemi	Clock Generators & Support Products 3.3V ECL Clock Generator	Datasheet	1,004In Stock	Cut Tape $12.40 $9.71 $9.04 $8.30 View Reel $6.97 $8.22 $8.21 $6.97 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Clock Drivers & Distribution 2.5V/3.3V 1:10 Diff ECL/PECL/HST Driver MC100LVEP111FAG onsemi 1: $7.48 877In Stock	Mfr. Part No. MC100LVEP111FAG Mouser Part No 863-MC100LVEP111FAG	onsemi	Clock Drivers & Distribution 2.5V/3.3V 1:10 Diff ECL/PECL/HST Driver	Datasheet	877In Stock	$7.48 $5.77 $5.34 $4.87 View $4.62 $4.40	Min.: 1 Mult.: 1
Clock Drivers & Distribution BBG ECL CLOCK DIST CHIP MC100LVEP111MNG onsemi 1: $8.46 308In Stock	Mfr. Part No. MC100LVEP111MNG Mouser Part No 863-MC100LVEP111MNG	onsemi	Clock Drivers & Distribution BBG ECL CLOCK DIST CHIP	Datasheet	308In Stock	$8.46 $6.52 $6.04 $5.50 View $5.09 $4.74 $4.65 $4.53	Min.: 1 Mult.: 1
Clock Drivers & Distribution 5V ECL Divide By 2 Divider MC10EL32DR2G onsemi 1: $8.77 800In Stock	Mfr. Part No. MC10EL32DR2G Mouser Part No 863-MC10EL32DR2G	onsemi	Clock Drivers & Distribution 5V ECL Divide By 2 Divider	Datasheet	800In Stock	Cut Tape $8.77 $6.79 $6.30 $5.76 View Reel $4.95 $5.50 $5.34 $5.20 $4.95 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Clock Buffer 3.3V/5V 1:2 Diff Fanout Buffer MC10EP11DG onsemi 1: $10.04 365In Stock 392Expected 13/11/2026	Mfr. Part No. MC10EP11DG Mouser Part No 863-MC10EP11DG	onsemi	Clock Buffer 3.3V/5V 1:2 Diff Fanout Buffer	Datasheet	365In Stock 392Expected 13/11/2026	$10.04 $7.56 $7.03 $6.49 View $6.22 $6.01 $5.92 Quote	Min.: 1 Mult.: 1
Clock Buffer 3.3V/5V ECL Coaxial Cable Driver MC10EP89DG onsemi 1: $11.27 555In Stock	Mfr. Part No. MC10EP89DG Mouser Part No 863-MC10EP89DG	onsemi	Clock Buffer 3.3V/5V ECL Coaxial Cable Driver	Datasheet	555In Stock	$11.27 $8.82 $7.54 $7.53 View $7.17 $7.03 $6.58 Quote	Min.: 1 Mult.: 1

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Clock & Timer ICs

Types of Clock & Timer ICs