LMK00304SQX/NOPB vs PI49FCT20807HE-2017
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Texas Instruments | Diodes Incorporated |
| Description | IC CLK BUFFER 3:5 3.1GHZ 32WQFN | CLOCK BUFFER SSOP-20 |
| Package | Tape & Reel (TR) | - |
| Series | - | * |
| Type | Fanout Buffer (Distribution), Multiplexer, Translator | - |
| Voltage - Supply | 3.15V ~ 3.45V | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | - |
| Package / Case | 32-WFQFN Exposed Pad | - |
| Supplier Device Package | 32-WQFN (5x5) | - |
| Output | HCSL, LVCMOS, LVDS, LVPECL | - |
| Frequency - Max | 3.1 GHz | - |
| Number of Circuits | 1 | - |
| Input | CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal | - |
| Ratio - Input:Output | 3:5 | - |
| Differential - Input:Output | Yes/Yes | - |
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1. What is the difference between a clock buffer and a clock driver?
The main function of a clock buffer is to distribute clock signals, while a clock driver is used to enhance signal strength to drive higher loads. Buffer is usually used for branching and synchronizing multiple clock signals, while driver is used to increase signal transmission distance and load capacity.
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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.

