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
TWD145.70
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
製造零件編號NB6L14SMNG
TWD216.50
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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
TWD53.90
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
TWD53.80
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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
TWD25.60
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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
全新
RS庫存編號 217-7814
製造零件編號2305-1DCG
TWD26.30
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6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
RS庫存編號 177-9671
製造零件編號SY54020ARMG
BrandMicrochip
TWD148.10
毎管:100 個
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6 56 mA 3.2GHz Surface Mount MLF 16 3 x 3 x 0.8mm 3mm 3mm 0.8mm 2.62 V +85 °C - 2.37 V
RS庫存編號 194-9041
製造零件編號CY23EP09ZXI-1H
TWD461.40
毎管:96 個
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1 30 mA, 45 mA 220MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.6 V +85 °C 220MHz 3 V
RS庫存編號 194-9033
製造零件編號CY2309ZXI-1H
TWD364.30
毎管:96 個
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1 35 mA 133MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.6 V +85 °C 133.3MHz 3 V
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RS庫存編號 217-7815
製造零件編號2305-1HDCGI
TWD22.40
毎管:97 個
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6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
RS庫存編號 787-6927
製造零件編號NB3N2304NZDTG
TWD63.50
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4 25 mA 140MHz Surface Mount TSSOP 8 3.1 x 4.5 x 0.95mm 3.1mm 4.5mm 0.95mm 3.6 V +85 °C 140MHz 3 V
RS庫存編號 802-2064
製造零件編號NB7L1008MMNG
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 194-9034
製造零件編號CY2309ZXI-1H
TWD414.00
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1 35 mA 133MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.6 V +85 °C 133.3MHz 3 V
RS庫存編號 194-9011
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TWD107.30
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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
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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
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TWD165.40
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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 - -
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TWD42.60
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RS庫存編號 177-9646
製造零件編號PL123-02NGI
BrandMicrochip
TWD78.20
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