CDC204DW vs 8535AG-31LFT
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Texas Instruments | Renesas Electronics America Inc |
| Description | IC CLK BUFFER 6:6 80MHZ 20SOIC | IC CLK BUFFER 2:4 266MHZ 20TSSOP |
| Package | Tape & Reel (TR) | Tube |
| Series | - | - |
| Type | Buffer/Driver | Fanout Buffer (Distribution), Multiplexer |
| Voltage - Supply | 4.75V ~ 5.25V | 3.135V ~ 3.465V |
| Operating Temperature | 25°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-SOIC (0.295\", 7.50mm Width) | 20-TSSOP (0.173\", 4.40mm Width) |
| Supplier Device Package | 20-SOIC | 20-TSSOP |
| Output | CMOS | LVPECL |
| Frequency - Max | 80 MHz | 266 MHz |
| Number of Circuits | 1 | 1 |
| Input | CMOS | LVCMOS, LVTTL, Crystal |
| Ratio - Input:Output | 6:6 | 2:4 |
| Differential - Input:Output | No/No | No/Yes |
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1. 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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2. 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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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 can clock buffers reduce jitter?
High quality clock buffers are typically designed with low jitter characteristics to ensure phase consistency of output signals and reduce phase noise during transmission. This is crucial for high-precision clock allocation, such as in communication and data transmission applications.

