LMK00304SQE/NOPB vs CDCLVP1204RGTT
| 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 3:5 3.1GHZ 32WQFN | IC CLK BUFFER 2:4 2GHZ 16QFN |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | - |
| Type | Fanout Buffer (Distribution), Multiplexer, Translator | Fanout Buffer (Distribution), Multiplexer |
| Voltage - Supply | 3.15V ~ 3.45V | 2.375V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 16-VFQFN Exposed Pad |
| Supplier Device Package | 32-WQFN (5x5) | 16-VQFN (3x3) |
| Output | HCSL, LVCMOS, LVDS, LVPECL | LVPECL |
| Frequency - Max | 3.1 GHz | 2 GHz |
| Number of Circuits | 1 | 1 |
| Input | CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal | LVCMOS, LVDS, LVPECL, LVTTL |
| Ratio - Input:Output | 3:5 | 2:4 |
| Differential - Input:Output | Yes/Yes | Yes/Yes |
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1. What is the function of a clock driver?
The function of a clock driver is to enhance the driving capability of the clock signal, ensuring that the signal can be transmitted further or drive more loads without causing signal attenuation or distortion. It is particularly important in high-frequency and high load applications.
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2. 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 -
3. How to evaluate the performance of clock drivers?
When evaluating clock drivers, several key parameters need to be considered:
Driving capability (load capacity)
Output signal integrity
Phase noise and jitter
Power noise suppression
Power supply voltage range and power consumption
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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.
