CDC204DW vs LMK00308SQ/NOPB
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC CLK BUFFER 6:6 80MHZ 20SOIC | IC CLK BUFFER 3:9 3.1GHZ 40WQFN |
| Package | Tape & Reel (TR) | Cut Tape (CT) |
| Series | - | - |
| Type | Buffer/Driver | Fanout Buffer (Distribution), Multiplexer, Translator |
| Voltage - Supply | 4.75V ~ 5.25V | 3.15V ~ 3.45V |
| Operating Temperature | 25°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-SOIC (0.295\", 7.50mm Width) | 40-WFQFN Exposed Pad |
| Supplier Device Package | 20-SOIC | 40-WQFN (6x6) |
| Output | CMOS | HCSL, LVCMOS, LVDS, LVPECL |
| Frequency - Max | 80 MHz | 3.1 GHz |
| Number of Circuits | 1 | 1 |
| Input | CMOS | CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal |
| Ratio - Input:Output | 6:6 | 3:9 |
| Differential - Input:Output | No/No | Yes/Yes |
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1. What are clock buffers and drivers?
Clock buffers and drivers are electronic components used for distributing and enhancing clock signals. The clock buffer is used to replicate clock signals and distribute them to multiple outputs, while the driver enhances the signal strength to drive higher loads or longer transmission distances.
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2. What are the main applications of clock buffers?
Clock buffers are widely used in systems that require the distribution of clock signals to multiple devices, such as computer motherboards, servers, communication equipment, data centers, and industrial control systems, to ensure synchronized operation of all devices.
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3. How to choose a suitable clock buffer?
When choosing a clock buffer, the following factors need to be considered:
frequency range
Number of output channels
Signal type (differential signal or single ended signal)
Phase noise and jitter performance
Power supply voltage and power consumption -
4. How do clock buffers and drivers help with timing design?
Clock buffers and drivers ensure that multiple components in the system can work synchronously at precise time points by providing stable, low jitter clock signals, thereby optimizing timing design, especially in high-performance computing and communication systems.
