Clock Buffers

Clock buffers are semiconductor devices that fan out clock signals and isolates the source from the load. Clock buffers are known to have multiple controllable outputs as well as separate power supplies for outputs or for input/output allowing it to work as a level shifter.

What are clock buffers?

Clock buffers are devices clock buffers create multiple copies of input clocks for individual distribution across a PCB. They are comprised of single-ended output buffers and differential outputs. Single-ended output clock buffers are LVCMOS (Low voltage complementary metal-oxide-semiconductor) while differential output buffers may be LVPECL (Low Voltage Positive Emitter Coupled Logic), HSTL (High-speed transceiver logic) or LVDS (Low Voltage Differential Signaling).

Clock buffers don't alter the frequency properties of the input signal, which in turn minimalises the additive noise which is added to the input whilst in the buffering stage.

Types of clock buffers

Clock buffers are offered in an array of variations such as variations on the maximum operating input frequency that can range from 30 Mhz to 8 Ghz, variety on the maximum supply current it can support and the number of pins installed in the IC.

Some clock buffers feature ultra-low jitter and low skew clock distribution.

Applications of clock buffers

Clock buffers are widely used in applications such as;

  • High-speed instrumentation and line receivers
  • Converter clocking
  • Automated test equipment (ATE)
  • Wireless and wired communications
  • Medical and industrial imaging

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Description Price Number of Elements per Chip Maximum Supply Current Maximum Input Frequency Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Maximum Output Frequency Minimum Operating Supply Voltage
New
RS Stock No. 216-6251
Mfr. Part No.9DB833AGILF
kr 42,419
Each (In a Tube of 39)
Units
- 170 mA 166MHz - TSSOP-48 48 - - - - - - - -
New
RS Stock No. 217-7850
Mfr. Part No.552G-02ILN
kr 45,469
Each (In a Tube of 96)
Units
8 35 mA 200MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7818
Mfr. Part No.2305NZ-1HDCGI
kr 10,86
Each (In a Pack of 10)
Units
6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 216-6134
Mfr. Part No.2305-1DCG8
kr 7,932
Each (In a Pack of 10)
Units
- 32 mA 133MHz - SOIC-8 8 - - - - - - - -
New
RS Stock No. 217-7837
Mfr. Part No.512MLF
kr 23,242
Each (In a Tube of 97)
Units
2 9 mA 50MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7847
Mfr. Part No.551SCMGI
kr 18,352
Each (In a Pack of 5)
Units
5 18 mA 160MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 216-6252
Mfr. Part No.9DB833AGILF
kr 50,415
Each (In a Pack of 2)
Units
- 170 mA 166MHz - TSSOP-48 48 - - - - - - - -
New
RS Stock No. 216-6242
Mfr. Part No.9DB403DGLFT
kr 16,638
Each (On a Reel of 2000)
Units
- 115 mA 400MHz - TSSOP-28 28 - - - - - - - -
New
RS Stock No. 217-7812
Mfr. Part No.2305-1DCGI
kr 10,07
Each (In a Pack of 10)
Units
6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 216-6259
Mfr. Part No.9DBL0841BKILF
kr 39,915
Each (In a Pack of 2)
Units
- 25 mA 200MHz - VFQFPN 48 - - - - - - - -
New
RS Stock No. 217-7835
Mfr. Part No.512MILF
kr 31,117
Each (In a Tube of 97)
Units
2 9 mA 50MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7839
Mfr. Part No.524SDCGI
kr 23,242
Each (In a Tube of 97)
Units
5 22 mA 200MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7849
Mfr. Part No.551SDCGI
kr 18,352
Each (In a Pack of 5)
Units
5 18 mA 160MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7851
Mfr. Part No.552G-02ILN
kr 54,175
Each (In a Pack of 2)
Units
8 35 mA 200MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 217-7815
Mfr. Part No.2305-1HDCGI
kr 6,77
Each (In a Tube of 97)
Units
6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 216-6265
Mfr. Part No.9DBL411BKILF
kr 30,404
Each (In a Pack of 5)
Units
- 20 mA 150MHz - TSSOP 20 - - - - - - - -
New
RS Stock No. 216-6249
Mfr. Part No.9DB433AGLFT
kr 18,035
Each (On a Reel of 2000)
Units
- 170 mA 166MHz - TSSOP-28 28 - - - - - - - -
New
RS Stock No. 217-7852
Mfr. Part No.553MLF
kr 20,576
Each (In a Tube of 97)
Units
5 25 mA 200MHz Surface Mount SOIC 8 - - - - - - - -
New
RS Stock No. 216-6133
Mfr. Part No.2305-1DCG8
kr 3,925
Each (On a Reel of 3000)
Units
- 32 mA 133MHz - SOIC-8 8 - - - - - - - -
New
RS Stock No. 217-7846
Mfr. Part No.551SCMGI
kr 15,50
Each (On a Tape of 10)
Units
5 18 mA 160MHz Surface Mount SOIC 8 - - - - - - - -