CDCLVD1208RHDR vs SI5330H-B00220-GMR
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Texas Instruments | Skyworks Solutions Inc. |
| Description | IC CLK BUFFER 2:8 800MHZ 28VQFN | IC CLK BUFFER 1:8 SSTL 24QFN |
| Package | Cut Tape (CT) | -Reel® |
| Series | - | - |
| Type | Fanout Buffer (Distribution), Multiplexer | Fanout Buffer (Distribution), Translator |
| Voltage - Supply | 2.375V ~ 2.625V | 1.71V ~ 3.63V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 28-VFQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 28-VQFN (5x5) | 24-QFN (4x4) |
| Output | LVDS | SSTL |
| Frequency - Max | 800 MHz | 350 MHz |
| Number of Circuits | 1 | 1 |
| Input | LVCMOS, LVDS, LVPECL | CML, HCSL, LVDS, LVPECL |
| Ratio - Input:Output | 2:8 | 1:8 |
| Differential - Input:Output | Yes/Yes | Yes/No |
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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 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.

