特性
- Integrated terminations provide 100Ω differential Zo; reduced component count and board space
- 1.8V operation; reduced power consumption
- OE# pins; support DIF power management
- LP-HCSL differential clock outputs; reduced power and board space
- Programmable slew rate for each output; allows tuning for various line lengths
- Programmable output amplitude; allows tuning for various application environments
- DIF outputs are blocked until PLL is locked; clean system start-up
- Selectable 0%, -0.25% or -0.5% spread on DIF outputs; reduces EMI
- External 25MHz crystal; supports tight ppm with 0ppm synthesis error
- Configuration can be accomplished with strapping pins; SMBus interface is not required for device control
- 3.3V tolerant SMBus interface works with legacy controllers
- Space saving 5mm x 5mm 32-VFQFPN; minimal board space
- Selectable SMBus addresses; multiple devices can easily share an SMBus segment
9FGV0441 - Block Diagram
描述
The 9FGV0441 is a 4-output very-low power clock generator for PCIe Gen 1–4 applications with integrated output terminations providing Zo = 100Ω. The device has four output enables for clock management and supports two different spread spectrum levels in addition to spread off.
产品参数
| 属性 | 值 |
|---|---|
| Diff. Outputs | 4 |
| Diff. Output Signaling | LP-HCSL |
| Output Freq Range (MHz) | 25 - 25, 100 - 100 |
| Power Consumption Typ (mW) | 58 |
| Supply Voltage (V) | 1.8 - 1.8 |
| Output Type | LP-HCSL, LVCMOS |
| Xtal Freq (MHz) | 25 - 25 |
| Diff. Termination Resistors | 0 |
| Package Area (mm²) | 25 |
| Battery Backup | No |
| Battery Seal | No |
| CPU Supervisory Function POR | No |
| Crystal Frequency Trimming | No |
| Frequency Out Pin | No |
| Inputs (#) | 1 |
| Input Freq (MHz) | 25 - 25 |
| Function | Generator |
| Input Type | Crystal, LVCMOS |
| Core Voltage (V) | 1.8 |
| Output Voltage (V) | 0.8V, 1.8V |
| Product Category | PCI Express Clocks |
封装选项
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| VFQFPN | 5.0 x 5.0 x 0.9 | 32 | 0.5 |
应用方框图
 | RZ/G2E 电源和时序系统级模块 电源和时序系统级模块（SoM）确保精确的时序和高效的功率分配。 |
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