Features
- Two differential LVDS outputs
- Selectable crystal oscillator interface or single-ended LVCMOS/LVTTL input
- Supports the following output frequencies: 156.25MHz, 125MHz, 62.5MHz
- VCO range: 560MHz – 680MHz
- RMS phase jitter @ 156.25MHz, using a 25MHz crystal (1.875MHz – 20MHz): 0.41ps (typical)
- Full 3.3V and 2.5V supply modes
- 0°C to 70°C ambient operating temperature
- Available in lead-free (RoHS 6) package
844002-01 - Block Diagram
Description
The 844002-01 is a 2 output LVDS Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL[1:0]): 156.25MHz, 125MHz and 62.5MHz. The 844002-01 uses IDT's 3rd generation low phase noise VCO technology and can achieve <1ps typical rms phase jitter, easily meeting Ethernet jitter requirements. The 844002-01 is packaged in a small 20-pin TSSOP package.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Qty. per Reel (#) | Qty. per Carrier (#) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 844002AG-01LF | Obsolete | N/A | Out of Stock | TSSOP | 20# | Tube | 1 | 0 | 74# | Yes | e3 Sn | 0 to 70°C |
| 844002AG-01LFT | Obsolete | N/A | Out of Stock | TSSOP | 20# | Reel | 1 | 3000# | 0 | Yes | e3 Sn | 0 to 70°C |
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- Application NotePDF 170 KB 7WDXRDKU4E7E-5-57318 May 13, 2014
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- Application NotePDF 1.99 MB 7WDXRDKU4E7E-5-57242 Mar 01, 2022
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- End Of Life NoticePDF 560 KB 7WDXRDKU4E7E-5-61205 Nov 03, 2016
- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-60321 Apr 14, 2016
- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-59927 Feb 15, 2016View More (10)
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