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
RS庫存編號 194-9026
製造零件編號CY2309SXC-1
HK$64.335
/個 (每包:2個)
單位
1 32 mA 133MHz Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.1mm 4.5mm 0.95mm 3.6 V +70 °C 133.3MHz 3 V
RS庫存編號 787-6918
製造零件編號NB3L553MNR4G
HK$23.365
Each (On a Tape of 2)
單位
4 30 mA 200MHz Surface Mount DFN 8 2 x 2 x 0.95mm 2mm 2mm 0.95mm 5.25 V +85 °C 200MHz 2.375 V
RS庫存編號 169-0097
製造零件編號SI53115-A01AGM
HK$32.26
Each (In a Tray of 260)
單位
- 110 mA 150MHz Surface Mount QFN 64 9 x 9 x 0.9mm 9mm 9mm 0.9mm 3.465 V +85 °C 133MHz 3.135 V
RS庫存編號 817-5957
製造零件編號CDCLVC1112PW
HK$57.69
單位
6 10 mA 180 MHz, 250 MHz Surface Mount TSSOP 24 7.9 x 4.5 x 1.05mm 7.9mm 4.5mm 1.05mm 2.7 V, 3.6 V +85 °C 180 MHz, 250 MHz 2.3 V, 3 V
RS庫存編號 759-1547
製造零件編號ADCLK914BCPZ-R2
HK$151.33
1 Tape of 1 Pack(s)
Tape(s)
2 73 mA - Surface Mount LFCSP VQ 16 3 x 3 x 0.9mm 3mm 3mm 0.9mm 3.63 V +125 °C 7.5GHz 2.97 V
全新
RS庫存編號 216-6251
製造零件編號9DB833AGILF
HK$39.653
毎管:39 個
單位
- 170 mA 166MHz - TSSOP-48 48 - - - - - - - -
RS庫存編號 194-8983
製造零件編號CY22381FXC
HK$113.841
毎管:97 個
單位
3 70 (Typ.) mA 166MHz Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.46 V +70 °C 200MHz 3.13 V
RS庫存編號 802-2039
製造零件編號NB6L14SMNG
HK$57.415
/個 (每包:2個)
單位
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 194-9023
製造零件編號CY2309NZSXI-1H
HK$102.428
毎管:48 個
單位
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 194-9001
製造零件編號CY2304SXC-1
HK$59.209
毎管:97 個
單位
1 45 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 133.3MHz 3 V
RS庫存編號 194-9038
製造零件編號CY23EP05SXC-1H
HK$121.57
單位
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
全新
RS庫存編號 217-7814
製造零件編號2305-1DCG
HK$7.414
/個 (每包:10個)
單位
6 32 mA 133MHz Surface Mount SOIC 8 - - - - - - - -
RS庫存編號 188-5305
製造零件編號CY22150FZXC
HK$67.746
毎管:96 個
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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
RS庫存編號 194-8998
製造零件編號CY2302SXI-1
HK$61.815
/個 (每包:2個)
單位
1 50 mA 133MHz Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 5 V +85 °C 133MHz -
RS庫存編號 802-1982
製造零件編號NB2304AI2DG
HK$10.689
/個 (每包:10個)
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- 45 mA 133MHz Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 3.6 V +85 °C 133.3MHz 3 V
RS庫存編號 194-9042
製造零件編號CY23EP09ZXI-1H
HK$141.42
單位
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 194-9041
製造零件編號CY23EP09ZXI-1H
HK$124.624
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 124-2935
製造零件編號CY2305SXI-1H
HK$28.119
/個 (每包:10個)
單位
1 35 mA 133MHz Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.6 V +85 °C 133.33MHz 3 V
全新
RS庫存編號 217-7827
製造零件編號501MILFT
HK$9.866
個 (在毎卷:3000)
單位
1 20 mA 50MHz Surface Mount SOIC 8 - - - - - - - -
RS庫存編號 177-9748
製造零件編號SY54020ARMG
BrandMicrochip
HK$60.65
/個 (每包:2個)
單位
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