LMK00304SQE/NOPB vs SY89113UMY
| Part Number |
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| Category | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| Manufacturer | Texas Instruments | Microchip Technology |
| Description | IC CLK BUFFER 3:5 3.1GHZ 32WQFN | IC CLK BUFFER 2:12 1GHZ 44MLF |
| Package | Tape & Reel (TR) | Tray |
| Series | - | Precision Edge® |
| Type | Fanout Buffer (Distribution), Multiplexer, Translator | Fanout Buffer (Distribution), Multiplexer |
| Voltage - Supply | 3.15V ~ 3.45V | 2.375V ~ 2.625V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 44-VFQFN Exposed Pad, 44-MLF® |
| Supplier Device Package | 32-WQFN (5x5) | 44-MLF® (7x7) |
| Output | HCSL, LVCMOS, LVDS, LVPECL | LVDS |
| Frequency - Max | 3.1 GHz | 1 GHz |
| Number of Circuits | 1 | 1 |
| Input | CML, HCSL, HSTL, LVDS, LVPECL, SSTL, Crystal | CML, CMOS, HSTL, LVDS, LVPECL, TTL |
| Ratio - Input:Output | 3:5 | 2:12 |
| 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. 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 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.
