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

1243 Products showing for Clock, Timing & Frequency ICs

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1 of 63
In Stock
Texas Instruments NE NE555P Monostable Circuit, 1, 8-Pin PDIP
  • RS Stock No. 221-5535
  • Mfr. Part No. NE555P
Subtotal (1 pack of 50 units)
$32.30(exc. GST)
$0.646/unit
In Stock
STMicroelectronics M48T58-70PC1, Real Time Clock 8.19 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS Stock No. 686-5036P
  • Mfr. Part No. M48T58-70PC1
Subtotal 1 unit (supplied in a tube)
$75.26(exc. GST)
$75.26/unit
In Stock
Texas Instruments LM Elapsed Time Recorder, 1, 8-Pin SOIC
  • RS Stock No. 460-516P
  • Mfr. Part No. LM555CM/NOPB
Subtotal 10 units (supplied in a tube)
$27.42(exc. GST)
$2.742/unit
In Stock
STMicroelectronics M48T58-70PC1, Real Time Clock 8.19 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS Stock No. 686-5036
  • Mfr. Part No. M48T58-70PC1
Subtotal (1 unit)
$75.26(exc. GST)
$75.26/unit
In Stock
STMicroelectronics M48T58Y-70PC1, Real Time Clock 8.19 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS Stock No. 686-5030
  • Mfr. Part No. M48T58Y-70PC1
Subtotal (1 unit)
$52.70(exc. GST)
$52.70/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)
$11.32(exc. GST)
$2.264/unit
In Stock
Texas Instruments NA555 NA555P Timer Circuit, 1, 8-Pin PDIP
  • RS Stock No. 252-8529
  • Mfr. Part No. NA555P
Subtotal (1 tube of 50 units)
$21.50(exc. GST)
$0.43/unit
Last RS stock
Analog Devices AD9851BRSZ Direct Digital Synthesiser 5 28-Pin 5.25V SSOP
  • RS Stock No. 413-011
  • Mfr. Part No. AD9851BRSZ
Subtotal (1 unit)
$70.38(exc. GST)
$70.38/unit
Last RS stock
Skyworks Solutions Inc Function Generator IC, 10-Pin 3 MSOP
  • RS Stock No. 823-1987P
  • Mfr. Part No. Si5351A-B-GT
Subtotal 5 units (supplied in a tube)
$15.48(exc. GST)
$3.096/unit
Last RS stock
Skyworks Solutions Inc Si5351A-B-GT Function Generator IC, 10-Pin 3 MSOP
  • RS Stock No. 823-1987
  • Mfr. Part No. Si5351A-B-GT
Subtotal (1 pack of 5 units)
$13.93(exc. GST)
$2.786/unit
In Stock
Texas Instruments CD CD4541BE Programmable Timer Circuit, 1, 14-Pin PDIP
  • RS Stock No. 709-1999
  • Mfr. Part No. CD4541BE
Subtotal (1 pack of 10 units)
$10.38(exc. GST)
$1.038/unit
In Stock
STMicroelectronics, Real Time Clock 8.19 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS Stock No. 714-7298P
  • Mfr. Part No. M48T18-100PC1
Subtotal 1 unit (supplied in a tube)
$67.59(exc. GST)
$67.59/unit
Currently unavailable
onsemi NB3N502DG PLL Frequency Multiplier 8-Pin SOIC
  • RS Stock No. 787-6920
  • Mfr. Part No. NB3N502DG
Subtotal (1 pack of 2 units)
$14.66(exc. GST)
$7.33/unit
In Stock
Texas Instruments CD74HCT7046AE PLL Circuit 1 16-Pin 5.5V PDIP
  • RS Stock No. 162-4153
  • Mfr. Part No. CD74HCT7046AE
Subtotal (1 tube of 25 units)
$121.08(exc. GST)
$4.843/unit
Last RS stock
Maxim Integrated DS3231MPMB1#, Real Time Clock Real Time Clock MM:DD:YY, 6-Pin Surface
  • RS Stock No. 191-4210
  • Mfr. Part No. DS3231MPMB1#
Subtotal (1 unit)
$48.14(exc. GST)
$48.14/unit
Last RS stock
Skyworks Solutions Inc Clock Generator, 16-Pin 10 QFN
  • RS Stock No. 168-9967
  • Mfr. Part No. SI53306-B-GM
Subtotal (1 tray of 490 units)
$1,928.64(exc. GST)
$3.936/unit
In Stock
Texas Instruments TLC Timer Circuit, 1, 8-Pin PDIP
  • RS Stock No. 346-7024P
  • Mfr. Part No. TLC555IP
Subtotal 1 unit (supplied in a tube)
$5.31(exc. GST)
$5.31/unit
Currently unavailable
onsemi NB3N502DG PLL Frequency Multiplier 8-Pin SOIC
  • RS Stock No. 787-6920P
  • Mfr. Part No. NB3N502DG
Subtotal 2 units (supplied in a tube)
$15.66(exc. GST)
$7.83/unit
In Stock
STMicroelectronics, Real Time Clock 32.77 kB DW:DM:M:Y, 28-Pin PCDIP Through Hole
  • RS Stock No. 624-8466P
  • Mfr. Part No. M48T35Y-70PC1
Subtotal 1 unit (supplied in a tube)
$71.29(exc. GST)
$71.29/unit
In Stock
STMicroelectronics M48T35Y-70MH1F, Real Time Clock 32 kbit Battery Backed RTC with SRAM BCD, 28-Pin DIP Surface
  • RS Stock No. 151-845
  • Mfr. Part No. M48T35Y-70MH1F
Subtotal (1 unit)
$34.63(exc. GST)
$34.63/unit
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