853S54AKI-01LFT vs 853S012AKILFT
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Description | VFQFPN 3.00X3.00X1.00 MM, 0.50MM | VFQFPN 5.00X5.00X0.90 MM, 0.50MM |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Type | Multiplexer | Multiplexer, Data |
| Voltage - Supply | 2.375V ~ 2.625V, 3.135V ~ 3.465V | 2.375V ~ 2.625V, 3.135V ~ 3.465V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Supplier Device Package | 16-VFQFPN (3x3) | 32-VFQFPN (5x5) |
| Output | LVPECL | LVPECL |
| Frequency - Max | 2.5 GHz | 3.2 GHz |
| Number of Circuits | 2 | 1 |
| Input | CML, LVDS, LVPECL | CML, LVDS, LVPECL, SSTL |
| Ratio - Input:Output | 2:1, 1:2 | 12:1 |
| Differential - Input:Output | Yes/Yes | 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 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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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. Does the clock driver support differential signals?
Yes, many clock drivers support differential signaling, such as LVDS, CML, and HCSL, which can provide higher anti-interference capabilities, especially in high-speed signal transmission applications.
