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

1159 Products showing for Clock, Timing & Frequency ICs

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1 of 58
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)
HK$225.30
HK$225.30/unit
Temporarily out of stock
Renesas Electronics ISL1208IU8Z-T7A, Real Time Clock 2 bit DW:DM:M:Y, 8-Pin MSOP Surface
  • RS Stock No. 100-0649
  • Mfr. Part No. ISL1208IU8Z-T7A
Subtotal (1 tape of 2 units)
HK$79.50
HK$39.75/unit
In Stock
Texas Instruments LM555CN Timer Circuit, 1, 8-Pin PDIP
  • RS Stock No. 197-7308
  • Mfr. Part No. LM555CN/NOPB
Subtotal (1 pack of 10 units)
HK$89.70
HK$8.97/unit
New product - Preorder today
Microchip MCP7940MT-I/SN, Real Time Clock 64 B Binary, DW:DM:M:Y, 8-Pin SOIC
  • RS Stock No. 332-933
  • Mfr. Part No. MCP7940MT-I/SN
Subtotal (1 reel of 3300 units)
HK$23,654.40
HK$7.168/unit
In Stock
Renesas Electronics ICM7555 ICM7555IBAZ-T Timer Circuit, 1, 8-Pin SOIC
  • RS Stock No. 196-8891
  • Mfr. Part No. ICM7555IBAZ-T
Subtotal (1 pack of 25 units)
HK$97.60
HK$3.904/unit
In Stock
Microchip Programmable Delay 14.8 ns Delay Line 32-Pin MLF
  • RS Stock No. 165-4196
  • Mfr. Part No. SY89295UMG
Subtotal (1 tube of 60 units)
HK$6,400.38
HK$106.673/unit
In Stock
Renesas Electronics ICM7555 ICM7555IBAZ-T Timer Circuit, 1, 8-Pin SOIC
  • RS Stock No. 196-8891P
  • Mfr. Part No. ICM7555IBAZ-T
Subtotal 25 units (supplied on a continuous strip)
HK$97.60
HK$3.904/unit
Temporarily out of stock
STMicroelectronics TS555 TS555IDTTR Timer Circuit, 2, 8-Pin SO
  • RS Stock No. 196-2111
  • Mfr. Part No. TS555IDTTR
Subtotal (1 reel of 2500 units)
HK$19,167.50
HK$7.667/unit
Temporarily out of stock
Epson X1B000311000112, Real Time Clock 32 bit Clock YY:MM:DD:DW, 10-Pin Surface
  • RS Stock No. 169-8222
  • Mfr. Part No. X1B000311000112
Subtotal (1 tape of 20 units)
HK$319.40
HK$15.97/unit
Temporarily out of stock
Microchip SM806022UMG-TR Clock Driver & Distribution, 24-Pin 24 VQFN
  • RS Stock No. 428-126
  • Mfr. Part No. SM806022UMG-TR
Subtotal (1 reel of 1000 units)
HK$85,373.00
HK$85.373/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)
HK$80.10
HK$1.602/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)
HK$84.20
HK$8.42/unit
Temporarily out of stock
Microchip ZL30631LDG1S Clock Driver & Distribution, 64-Pin 20 VQFN
  • RS Stock No. 428-139
  • Mfr. Part No. ZL30631LDG1S
Subtotal (1 tray of 260 units)
HK$105,379.30
HK$405.305/unit
Currently unavailable
Infineon CY2309SXI-1H PLL Clock Buffer 16-Pin TSSOP
  • RS Stock No. 194-9032
  • Mfr. Part No. CY2309SXI-1H
Subtotal (1 unit)
HK$154.90
HK$154.90/unit
Temporarily out of stock
Microchip ZL30635LDG1 Clock Driver & Distribution, 64-Pin 20 VQFN
  • RS Stock No. 428-145
  • Mfr. Part No. ZL30635LDG1
Subtotal (1 tray of 260 units)
HK$177,689.46
HK$683.421/unit
New product - Preorder today
Microchip MCP79410T-I/SN, Real Time Clock 64 B Binary, DW:DM:M:Y, 8-Pin SOIC
  • RS Stock No. 332-905
  • Mfr. Part No. MCP79410T-I/SN
Subtotal (1 reel of 3300 units)
HK$40,830.90
HK$12.373/unit
In Stock
Renesas Electronics ICM7555 ICM7555CBAZ-T Timer Circuit, 1, 8-Pin SOIC
  • RS Stock No. 196-8888P
  • Mfr. Part No. ICM7555CBAZ-T
Subtotal 25 units (supplied on a continuous strip)
HK$97.60
HK$3.904/unit
Temporarily out of stock
Texas Instruments NE555DR NE555DR Timer Circuit, 1, 8-Pin SOIC
  • RS Stock No. 197-7392
  • Mfr. Part No. NE555DR
Subtotal (1 reel of 2500 units)
HK$3,677.50
HK$1.471/unit
New product - Preorder today
Microchip MCP7940NT-I/SN, Real Time Clock 64 B DW:DM:M:Y, Binary, 8-Pin SOIC
  • RS Stock No. 333-118
  • Mfr. Part No. MCP7940NT-I/SN
Subtotal (1 reel of 3300 units)
HK$30,468.90
HK$9.233/unit
Currently unavailable
Infineon CY2309SXI-1H PLL Clock Buffer 16-Pin TSSOP
  • RS Stock No. 194-9031
  • Mfr. Part No. CY2309SXI-1H
Subtotal (1 tube of 48 units)
HK$6,738.096
HK$140.377/unit
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