LMK00306SQE/NOPB vs 8535AG-31LFT
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | National Semiconductor | Renesas Electronics America Inc |
| Description | LMK00306 3.1-GHZ DIFFERENTIAL CL | IC CLK BUFFER 2:4 266MHZ 20TSSOP |
| Package | Bulk | Tube |
| Series | - | - |
| Type | Fanout Buffer (Distribution), Multiplexer, Translator | Fanout Buffer (Distribution), Multiplexer |
| Voltage - Supply | 3.15V ~ 3.45V | 3.135V ~ 3.465V |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 36-WFQFN Exposed Pad | 20-TSSOP (0.173\", 4.40mm Width) |
| Supplier Device Package | 36-WQFN (6x6) | 20-TSSOP |
| Output | HCSL, LVCMOS, LVDS, LVPECL | LVPECL |
| Frequency - Max | 3.1 GHz | 266 MHz |
| Number of Circuits | 1 | 1 |
| Input | CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal | LVCMOS, LVTTL, Crystal |
| Ratio - Input:Output | 3:7 | 2:4 |
| Differential - Input:Output | Yes/Yes | 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. 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. 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.
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4. 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
