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
Nouveau
N° de stock RS 216-6240
Référence fabricant9DB1233AGLF
3,865 €
Each (In a Tube of 28)
Unité
- 300 mA 166MHz - TSSOP-64 64 - - - - - - - -
Nouveau
N° de stock RS 216-6241
Référence fabricant9DB1233AGLF
4,60 €
Each (In a Pack of 2)
Unité
- 300 mA 166MHz - TSSOP-64 64 - - - - - - - -
Nouveau
N° de stock RS 216-6246
Référence fabricant9DB433AGLF
2,647 €
Each (In a Tube of 50)
Unité
- 170 mA 166MHz - TSSOP-28 28 - - - - - - - -
N° de stock RS 194-9035
Référence fabricantCY23EP05SXC-1
8,044 €
Each (In a Tube of 97)
Unité
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
N° de stock RS 194-9036
Référence fabricantCY23EP05SXC-1
9,12 €
Each
Unité
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
Nouveau
N° de stock RS 216-6242
Référence fabricant9DB403DGLFT
1,451 €
Each (On a Reel of 2000)
Unité
- 115 mA 400MHz - TSSOP-28 28 - - - - - - - -
Nouveau
N° de stock RS 216-6248
Référence fabricant9DB433AGLF
3,166 €
Each (In a Pack of 5)
Unité
- 170 mA 166MHz - TSSOP-28 28 - - - - - - - -
Nouveau
N° de stock RS 216-6254
Référence fabricant9DBL0252BKILF
1,716 €
Each (In a Tray of 490)
Unité
- 20 mA 175MHz - VFQFPN-24 24 - - - - - - - -
Nouveau
N° de stock RS 216-6260
Référence fabricant9DBL0851BKILF
2,403 €
Each (In a Tray of 490)
Unité
- 25 mA 200MHz - VFQFPN 48 - - - - - - - -
N° de stock RS 194-9042
Référence fabricantCY23EP09ZXI-1H
13,32 €
Each
Unité
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
Nouveau
N° de stock RS 216-6243
Référence fabricant9DB403DGLFT
2,932 €
Each (In a Pack of 5)
Unité
- 115 mA 400MHz - TSSOP-28 28 - - - - - - - -
Nouveau
N° de stock RS 216-6255
Référence fabricant9DBL0252BKILF
2,472 €
Each (In a Pack of 5)
Unité
- 20 mA 175MHz - VFQFPN-24 24 - - - - - - - -
N° de stock RS 162-8976
Référence fabricantNB6L14SMNG
3,707 €
Each (In a Tube of 123)
Unité
4 100 mA 2GHz Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.8 V +85 °C - -
Nouveau
N° de stock RS 216-6249
Référence fabricant9DB433AGLFT
1,573 €
Each (On a Reel of 2000)
Unité
- 170 mA 166MHz - TSSOP-28 28 - - - - - - - -
N° de stock RS 194-9037
Référence fabricantCY23EP05SXC-1H
10,086 €
Each (In a Tube of 97)
Unité
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
Nouveau
N° de stock RS 216-6261
Référence fabricant9DBL0851BKILF
3,48 €
Each (In a Pack of 2)
Unité
- 25 mA 200MHz - VFQFPN 48 - - - - - - - -
N° de stock RS 194-9038
Référence fabricantCY23EP05SXC-1H
11,44 €
Each
Unité
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
N° de stock RS 194-9043
Référence fabricantCY23S05SXC-1H
7,545 €
Each (In a Tube of 97)
Unité
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
Nouveau
N° de stock RS 217-7844
Référence fabricant551MLF
1,351 €
Each (In a Tube of 97)
Unité
5 18 mA 160MHz Surface Mount SOIC 8 - - - - - - - -
Nouveau
N° de stock RS 216-6258
Référence fabricant9DBL0841BKILF
2,403 €
Each (In a Tray of 490)
Unité
- 25 mA 200MHz - VFQFPN 48 - - - - - - - -