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 Prix 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
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N° de stock RS 216-6158
Référence fabricant570AILF
4,828 €
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- 25 mA 170MHz Surface Mount SOIC-8 8 - - - - - - - -
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N° de stock RS 216-6159
Référence fabricant570AILF
6,085 €
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- 25 mA 170MHz Surface Mount SOIC-8 8 - - - - - - - -
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N° de stock RS 217-7840
Référence fabricant524SDCGI
2,404 €
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5 22 mA 200MHz Surface Mount SOIC 8 - - - - - - - -
N° de stock RS 802-2064
Référence fabricantNB7L1008MMNG
4,62 €
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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
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N° de stock RS 216-6261
Référence fabricant9DBL0851BKILF
3,48 €
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- 25 mA 200MHz - VFQFPN 48 - - - - - - - -
Nouveau
N° de stock RS 217-7836
Référence fabricant512MILF
3,234 €
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2 9 mA 50MHz Surface Mount SOIC 8 - - - - - - - -
Nouveau
N° de stock RS 216-6160
Référence fabricant574MILF
7,475 €
Each (In a Tube of 97)
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- 36 mA 160MHz - SOIC-8 8 - - - - - - - -
N° de stock RS 162-8983
Référence fabricantNB7L1008MMNG
4,535 €
Each (In a Tube of 74)
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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
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N° de stock RS 217-7849
Référence fabricant551SDCGI
1,60 €
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5 18 mA 160MHz Surface Mount SOIC 8 - - - - - - - -
N° de stock RS 911-2925
Référence fabricantSY89835UMG-TR
MarqueMicrochip
3,175 €
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3 70 mA 3GHz Surface Mount MLF 8 2 x 2 x 0.8mm 2mm 2mm 0.8mm 2.63 V +85 °C - 2.37 V
Nouveau
N° de stock RS 216-6264
Référence fabricant9DBL411BKILF
2,226 €
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- 20 mA 150MHz - TSSOP 20 - - - - - - - -
N° de stock RS 194-9023
Référence fabricantCY2309NZSXI-1H
9,642 €
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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
Nouveau
N° de stock RS 217-7838
Référence fabricant512MLF
2,416 €
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2 9 mA 50MHz Surface Mount SOIC 8 - - - - - - - -
N° de stock RS 194-8988
Référence fabricantCY22392FXI
13,53 €
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3 100 (Typ.) mA 166MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.46 V +85 °C 166MHz 3.13 V
N° de stock RS 162-8984
Référence fabricantNB7L572MNG
11,20 €
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2 110 mA 8GHz Surface Mount QFN 32 5 x 5 x 0.95mm 5mm 5mm 0.95mm 3.6 V +85 °C - 2.375 V
N° de stock RS 168-9987
Référence fabricantSI53159-A01AGM
MarqueSilicon Labs
2,43 €
Each (In a Tray of 490)
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9 60 mA 210MHz Surface Mount QFN 48 6 x 6 x 0.75mm 5mm 6mm 0.75mm 3.465 V +85 °C - 3.135 V
N° de stock RS 188-5305
Référence fabricantCY22150FZXC
6,51 €
Each (In a Tube of 96)
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6 45 mA 133 (Clock)MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.46 V +70 °C 200MHz 3.13 V
N° de stock RS 121-9854
Référence fabricantNB3N551DR2G
0,666 €
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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
N° de stock RS 787-6933
Référence fabricantNB3N551DR2G
1,454 €
Each (In a Pack of 5)
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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
N° de stock RS 194-9038
Référence fabricantCY23EP05SXC-1H
11,44 €
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1 30 mA, 45 mA 220MHz Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.6 V +70 °C 220MHz 3 V