Clock, Timing & Frequency ICs

Clock, timing & frequency ICs are electronic devices that provide timing frequency to circuits. A clock IC is an electronic device that is used for the generation, manipulation, distribution, conditioning, or controlling of a timing signal in electronic systems. A timing IC is used to control sequences of events in electronic systems. Frequency ICs are circuits that have been designed to keep a circuit tuned to the frequency of an incoming radio signal.

What types of clock, timing & frequency ICs are there?

Clock, timing & frequency ICs have a range of different functions such as;

  • Clock Drivers, Distribution
  • Clock Synthesizers
  • Delay Lines & Timing Elements
  • Clock Buffers
  • Bus Repeaters
  • Function Generator IC
  • Phase Detectors
  • Real-Time Clocks
  • Timer Circuits
  • Watchdog Timers

Typical applications

Clock, timing & frequency ICs are widely used in an array of applications such as;

  • Low jitter, low phase noise clock distribution
  • Wireless transceivers
  • ATE (Automatic test equipment)
  • Sensory applications
  • Frequency translation and low-frequency PLLs
Bus Repeaters
Bus Repeaters
Clock Buffers
Clock Buffers
Clock Drivers & Distribution
Clock Drivers & Distribution
Clock Synthesizers
Clock Synthesizers
Delay Lines & Timing Elements
Delay Lines & Timing Elements
Phase Detectors
Phase Detectors
Real Time Clocks
Real Time Clocks
Timer Circuits
Timer Circuits
Watchdog Timers
Watchdog Timers

1250 Products showing for Clock, Timing & Frequency ICs

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1 of 63
In Stock
Texas Instruments TLC TLC555IP Timer Circuit, 1, 8-Pin PDIP
  • RS stock no. 346-7024
  • Mfr. Part No. TLC555IP
Subtotal (1 unit)
R 24,63(exc. VAT)
R 24,63/unit
In Stock
Texas Instruments NE NE555D Precision Timer, 1, 8-Pin SOIC
  • RS stock no. 785-818
  • Mfr. Part No. NE555D
Subtotal (1 unit)
R 26,56(exc. VAT)
R 26,56/unit
Last RS stock
Texas Instruments xx555 SE555D Precision Timer, 1, 8-Pin SOIC
  • RS stock no. 268-3176
  • Mfr. Part No. SE555D
Subtotal (1 pack of 10 units)
R 128,93(exc. VAT)
R 12,893/unit
In Stock
Microchip MCP79401-I/SN, Real Time Clock 64 bit Real Time Clock DW, D:M:Y, 8-Pin SOIC Surface
  • RS stock no. 177-0776
  • Mfr. Part No. MCP79401-I/SN
Subtotal (1 pack of 10 units)
R 173,88(exc. VAT)
R 17,388/unit
In Stock
Microchip MIC1555 MIC1555YM5-TR Precision, 1, 5-Pin SOT-23
  • RS stock no. 765-465P
  • Mfr. Part No. MIC1555YM5-TR
Subtotal 5 units (supplied on a continuous strip)
R 44,34(exc. VAT)
R 8,868/unit
In Stock
Texas Instruments CDCLVC1102PW PLL Clock Buffer 8-Pin TSSOP
  • RS stock no. 817-5947
  • Mfr. Part No. CDCLVC1102PW
Subtotal (1 pack of 5 units)
R 254,29(exc. VAT)
R 50,858/unit
In Stock
Texas Instruments SE SE555P Timer Circuit, 1, 8-Pin PDIP
  • RS stock no. 709-2110
  • Mfr. Part No. SE555P
Subtotal (1 pack of 5 units)
R 48,68(exc. VAT)
R 9,736/unit
In Stock
STMicroelectronics 5-Pin Watchdog Timer, SOT-23
  • RS stock no. 686-7509
  • Mfr. Part No. STWD100NYWY3F
Subtotal (1 pack of 5 units)
R 71,07(exc. VAT)
R 14,214/unit
In Stock
Texas Instruments CD Programmable Timer Circuit, 1, 16-Pin PDIP
  • RS stock no. 709-2532P
  • Mfr. Part No. CD4536BE
Subtotal 10 units (supplied in a tube)
R 148,70(exc. VAT)
R 14,87/unit
In Stock
Microchip MIC1555 MIC1555YM5-TR Precision, 1, 5-Pin SOT-23
  • RS stock no. 765-465
  • Mfr. Part No. MIC1555YM5-TR
Subtotal (1 tape of 5 units)
R 44,34(exc. VAT)
R 8,868/unit
In Stock
Texas Instruments xx555 Timer, 1, 8-Pin SOIC
  • RS stock no. 218-4552P
  • Mfr. Part No. SA555DR
Subtotal 25 units (supplied on a continuous strip)
R 87,55(exc. VAT)
R 3,502/unit
In Stock
Renesas Electronics 5P49EE502NDGI PLL Clock Generator 5 20-Pin 4.6V VFQFPN
  • RS stock no. 262-8959
  • Mfr. Part No. 5P49EE502NDGI
Subtotal (1 pack of 2 units)
R 126,30(exc. VAT)
R 63,15/unit
In Stock
STMicroelectronics M48T35Y-70PC1, Real Time Clock 32.77 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS stock no. 624-8466
  • Mfr. Part No. M48T35Y-70PC1
Subtotal (1 unit)
R 724,91(exc. VAT)
R 724,91/unit
In Stock
Texas Instruments NE555DR Timer Circuit, 1, 8-Pin SOIC
  • RS stock no. 197-7393P
  • Mfr. Part No. NE555DR
Subtotal 50 units (supplied on a continuous strip)
R 166,70(exc. VAT)
R 3,334/unit
Being discontinued
Analog Devices PLL Frequency Synthesiser 1 24-Pin 3.6V CP
  • RS stock no. 708-9782P
  • Mfr. Part No. ADF4360-9BCPZ
Subtotal 1 unit (supplied in a tray)
R 172,11(exc. VAT)
R 172,11/unit
In Stock
Renesas Electronics ICM Programmable Timer Circuit, 1, 8-Pin PDIP
  • RS stock no. 921-5374
  • Mfr. Part No. ICM7555IPAZ
Subtotal (1 pack of 10 units)
R 195,64(exc. VAT)
R 19,564/unit
In Stock
STMicroelectronics TS555 TS555IDTTR Timer Circuit, 2, 8-Pin SO
  • RS stock no. 196-2112
  • Mfr. Part No. TS555IDTTR
Subtotal (1 pack of 10 units)
R 166,98(exc. VAT)
R 16,698/unit
In Stock
Microchip, Real Time Clock 64 bit Calendar DW:DM:M:Y, 8-Pin PDIP Through Hole
  • RS stock no. 810-3933
  • Mfr. Part No. MCP7940N-I/P
Subtotal (1 pack of 10 units)
R 158,34(exc. VAT)
R 15,834/unit
In Stock
Texas Instruments SE Timer Circuit, 1, 8-Pin PDIP
  • RS stock no. 709-2110P
  • Mfr. Part No. SE555P
Subtotal 5 units (supplied in a tube)
R 48,68(exc. VAT)
R 9,736/unit
Last RS stock
Analog Devices ADF4360-9BCPZ PLL Frequency Synthesiser 1 24-Pin 3.6V CP
  • RS stock no. 708-9782
  • Mfr. Part No. ADF4360-9BCPZ
Subtotal (1 unit)
R 172,11(exc. VAT)
R 172,11/unit
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