Features
- 19 - 0.7V HCSL differential output pairs
- Fixed external feedback path
- Phase jitter: PCIe Gen3 < 1ps rms
- Phase jitter: PCIe Gen2 < 3.1ps rms
- Phase jitter: PCIe Gen1 < 86ps peak to peak
- Phase jitter: QPI 9.6GT/s < 0.2ps rms
- PLL or bypass mode
- PLL can de-jitter incoming clock
- 9 selectable SMBus addresses
- 8 OE# pins
- 100MHz or 133MHz PLL mode operation for PCIe and QPI applications
- Selectable PLL bandwidth minimizes jitter peaking in downstream PLLs
- Spread spectrum compatible
9ZX21901C - Block Diagram
Description
The 9ZX21901C is an Intel DB1900Z differential buffer suitable for PCI Express Gen 1-2-3 or QPI applications. The 9ZX21901C has a fixed external feedback path. See the 9ZX21901B for an adjustable external feedback path.
Parameters
| Attributes | Value |
|---|---|
| Diff. Outputs | 19 |
| Diff. Output Signaling | HCSL |
| Output Freq Range (MHz) | 33 - 150 |
| Diff. Inputs | 1 |
| Diff. Input Signaling | HCSL |
| Accepts Spread Spec Input | Yes |
| Power Consumption Typ (mW) | 1350 |
| Supply Voltage (V) | 3.3 - 3.3 |
| Output Type | HCSL |
| Diff. Termination Resistors | 80 |
| Package Area (mm²) | 100 |
| Battery Backup | No |
| Battery Seal | No |
| CPU Supervisory Function POR | No |
| Crystal Frequency Trimming | No |
| Frequency Out Pin | No |
| Inputs (#) | 1 |
| Input Freq (MHz) | 33 - 150 |
| Function | Buffer |
| Input Type | HCSL |
| Output Banks (#) | 1 |
| Core Voltage (V) | 3.3 |
| Output Voltage (V) | 0.7 |
| Product Category | Processor Clock Buffers, Zero Delay Buffers |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| VFQFPN | 10.0 x 10.0 x 1.0 | 72 | 0.5 |
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Qty. per Reel (#) | Qty. per Carrier (#) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9ZX21901CKLF | Active | Available | In Stock | VFQFPN | 1ku | $3.13 | 72# | Tray | 3 | 0 | 168# | Yes | e3 Sn | 0 to 70°C | CHINA | TAIWAN, USA |
| 9ZX21901CKLFT | Active | N/A | In Stock | VFQFPN | 1ku | $3.13 | 72# | Reel | 3 | 2500# | 0 | Yes | e3 Sn | 0 to 70°C | CHINA | TAIWAN, USA |
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- Application NotePDF 170 KB 7WDXRDKU4E7E-5-57318 May 13, 2014
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- Product Change NoticePDF 103 KB 7WDXRDKU4E7E-5-55965 Aug 18, 2013
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- Product Change NoticePDF 983 KB Jun 25, 2019
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- Application NotePDF 1.99 MB 7WDXRDKU4E7E-5-57242 Mar 01, 2022
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