Features
- 4TH Generation FemtoClock NG PLL technology
- Eight selectable LVPECL or LVDS outputs
- CLK, nCLK input pair can accept the following differential input levels: LVPECL, LVDS, HCSL
- FemtoClock NG VCO Range: 1.9GHz - 2.55GHz
- RMS phase jitter at 156.25MHz (10kHz - 1MHz): 0.223ps (typical)
- Full 2.5V or 3.3V power supply
- I2C programming interface
- -40°C to 85°C ambient operating temperature
- Available in lead-free (RoHS 6) package
- 4-output (8T49N004I) and 6-output (8T49N006I) also available
8T49N008I Block Diagram
Description
The 8T49N008I is an eight output Clock Generator with selectable LVDS or LVPECL outputs. The 8T49N008I can generate any one of four frequencies from a single crystal or reference clock. The four frequencies are selected from the Frequency Selection Table (Table 3) and are programmed via I2C interface. The four predefined frequencies are selected in the user application by two frequency selection pins. Note the desired programmed frequencies must be used with the corresponding crystal as indicated in Table 3. Excellent phase noise performance is maintained with Renesas' 4TH Generation FemtoClock™ NG PLL technology, which delivers sub-0.5ps RMS phase jitter.
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8T49N008A-000NLGI | Obsolete | N/A | In Stock | VFQFPN | 1ku | $9.15 | 40# | Tray | 3 | Yes | e3 Sn | -40 to 85°C | CHINA | SINGAPORE |
| 8T49N008A-999NLGI | Obsolete | N/A | Out of Stock | VFQFPN | 40# | Tray | 3 | Yes | e3 Sn | -40 to 85°C |
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- End Of Life NoticePDF 1.04 MB Aug 27, 2025
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- Application NotePDF 170 KB 7WDXRDKU4E7E-5-57318 May 13, 2014
- Application NotePDF 495 KB 7WDXRDKU4E7E-5-57312 May 12, 2014
- Application NotePDF 442 KB 7WDXRDKU4E7E-5-57298 May 08, 2014
- Application NotePDF 115 KB 7WDXRDKU4E7E-5-57294 May 07, 2014
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- Application NotePDF 120 KB 7WDXRDKU4E7E-5-57289 May 06, 2014
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- Manual - HardwarePDF 140 KB 7WDXRDKU4E7E-5-55306 Oct 10, 2014
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- Application NotePDF 1.99 MB 7WDXRDKU4E7E-5-57242 Mar 01, 2022
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- End Of Life NoticePDF 1.04 MB Aug 27, 2025
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- Product Change NoticePDF 734 KB Nov 16, 2022
- Product Change NoticePDF 983 KB Jun 25, 2019
- Product Change NoticePDF 583 KB 7WDXRDKU4E7E-5-61343 Dec 20, 2016View More (6)
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- Technical BriefPDF 238 KB 7WDXRDKU4E7E-6-11137 Feb 08, 2016
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