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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RS庫存編號 162-8976
製造零件編號NB6L14SMNG
TWD162.50
毎管:123 個
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4 100 mA 2GHz Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.8 V +85 °C - -
RS庫存編號 802-2039
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TWD217.00
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4 100 mA 2GHz Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.8 V +85 °C - -
RS庫存編號 787-6924
製造零件編號NB3N551DG
TWD64.00
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4 40 mA 180MHz Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C 180MHz 3 V
RS庫存編號 170-3519
製造零件編號NB3N551DG
TWD54.30
毎管:98 個
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4 40 mA 180MHz Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C 180MHz 3 V
RS庫存編號 787-6933
製造零件編號NB3N551DR2G
TWD58.40
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- - - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C - 3 V
RS庫存編號 121-9854
製造零件編號NB3N551DR2G
TWD26.70
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- - - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C - 3 V
RS庫存編號 787-6778
製造零件編號MC100LVEL11DG
TWD185.00
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4 30 mA 1GHz Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm +3.8 V +85 °C - ±3 V
RS庫存編號 194-9012
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TWD126.00
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1 32 mA 133MHz Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.6 V +70 °C 133.33MHz 3 V
RS庫存編號 865-2416
製造零件編號SI53115-A01AGM
TWD150.70
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RS庫存編號 787-6716
製造零件編號MC100EL11DG
TWD185.00
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4 31 mA 1.5GHz Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm +5.7 V +85 °C - -4.2 V
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TWD111.00
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RS庫存編號 802-2064
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TWD377.00
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8 315 mA 8GHz Surface Mount QFN 32 5 x 5 x 0.95mm 5mm 5mm 0.95mm 3.6 V +85 °C - 2.375 V
RS庫存編號 194-9036
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TWD366.00
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TWD144.00
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TWD79.20
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2 4.5 mA 500MHz Surface Mount SOT-23 6 3 x 1.75 x 1.3mm 3mm 1.75mm 1.3mm 5.5 V +85 °C - 2.7 V
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TWD43.10
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TWD104.40
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TWD183.50
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