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

1245 Products showing for Clock, Timing & Frequency ICs

1 of 63
In Stock
NXP PCF8523T/1,118, Real Time Clock 128 bit Timer D:W:M:Y, 8-Pin SO-8 Surface
  • RS stock no. 219-4639
  • Mfr. Part No. PCF8523T/1,118
Subtotal (1 pack of 10 units)
R 245,85(exc. VAT)
R 24,585/unit
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 23,60(exc. VAT)
R 23,60/unit
In Stock
STMicroelectronics M41T56M6F, Real Time Clock 64 bit DW:DM:M:Y, 8-Pin SOIC Surface
  • RS stock no. 714-7288
  • Mfr. Part No. M41T56M6F
Subtotal (1 pack of 2 units)
R 114,75(exc. VAT)
R 57,375/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 172,78(exc. VAT)
R 17,278/unit
In Stock
Epson X1B000371000212, Real Time Clock Real Time Clock YY:MM:DD:DW, 10-Pin Surface
  • RS stock no. 205-3461
  • Mfr. Part No. X1B000371000212
Subtotal (1 pack of 2 units)
R 90,19(exc. VAT)
R 45,095/unit
In Stock
STMicroelectronics 5-Pin Watchdog Timer, SOT-323
  • RS stock no. 829-1513
  • Mfr. Part No. STWD100PYW83F
Subtotal (1 pack of 10 units)
R 125,64(exc. VAT)
R 12,564/unit
Last RS stock
Texas Instruments SE SE555D Timer Circuit, 1, 8-Pin SOIC
  • RS stock no. 660-7761
  • Mfr. Part No. SE555D
Subtotal (1 pack of 5 units)
R 78,39(exc. VAT)
R 15,678/unit
In Stock
NXP PCF8563TS/5,118, Real Time Clock 128 bit D:W:M:Y, 8-Pin TSSOP Surface
  • RS stock no. 219-4643
  • Mfr. Part No. PCF8563TS/5,118
Subtotal (1 pack of 10 units)
R 169,61(exc. VAT)
R 16,961/unit
In Stock
Renesas Electronics 5PB1108PGGI8 Clock Buffer 16-Pin TSSOP-16
  • RS stock no. 264-3515
  • Mfr. Part No. 5PB1108PGGI8
Subtotal (1 pack of 2 units)
R 96,55(exc. VAT)
R 48,275/unit
In Stock
Microchip MCP7940N-I/SN, Real Time Clock 64 bit DW:DM:M:Y, 8-Pin SOIC Surface
  • RS stock no. 798-5258
  • Mfr. Part No. MCP7940N-I/SN
Subtotal (1 pack of 10 units)
R 145,61(exc. VAT)
R 14,561/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 128,70(exc. VAT)
R 12,87/unit
In Stock
NXP, Real Time Clock 128 bit D:W:M:Y, 8-Pin TSSOP Surface
  • RS stock no. 219-4643P
  • Mfr. Part No. PCF8563TS/5,118
Subtotal 10 units (supplied on a continuous strip)
R 169,61(exc. VAT)
R 16,961/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 182,03(exc. VAT)
R 18,203/unit
In Stock
Texas Instruments NE NE556N Timer Circuit, 2, 14-Pin PDIP
  • RS stock no. 528-416
  • Mfr. Part No. NE556N
Subtotal (1 tube of 25 units)
R 191,15(exc. VAT)
R 7,646/unit
In Stock
Microchip, Real Time Clock 64 bit DW:DM:M:Y, 8-Pin SOIC Surface
  • RS stock no. 726-3949P
  • Mfr. Part No. MCP79410-I/SN
Subtotal 5 units (supplied in a tube)
R 86,85(exc. VAT)
R 17,37/unit
Temporarily out of 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)
R 812,19(exc. VAT)
R 812,19/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)
R 696,69(exc. VAT)
R 696,69/unit
Unavailable
Maxim Integrated DS1307ZN+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin SOIC
  • RS stock no. 732-7333
  • Mfr. Part No. DS1307ZN+
Subtotal (1 unit)
R 59,17(exc. VAT)
R 59,17/unit
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)
R 292,10(exc. VAT)
R 5,842/unit
In Stock
Microchip MCP7940N-I/P, Real Time Clock 64 bit Calendar DW:DM:M:Y, 8-Pin PDIP Through Hole
  • RS stock no. 165-2125
  • Mfr. Part No. MCP7940N-I/P
Subtotal (1 tube of 60 units)
R 942,42(exc. VAT)
R 15,707/unit
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