特長
- One differential 3.3V or 2.5V LVPECL output
- Crystal oscillator interface,18pF parallel resonant crystal (20.833MHz – 28.3MHz)
- Output frequency range: 62.5MHz – 170MHz
- VCO range: 500MHz – 680MHz
- RMS phase jitter at 150MHz, using a 25MHz crystal (12kHz – 20MHz): 0.64ps (typical) @ 3.3V output
- RMS phase jitter at 159.375MHz, using a 26.5625MHz crystal (1.875MHz – 20MHz): 0.40ps (typical) @ 3.3V output
- Full 3.3V or 2.5V operating supply
- -40°C to 85°C ambient operating temperature
- Available in lead-free (RoHS 6) package
843071I - Block Diagram
説明
The 843071I is a Serial ATA (SATA)/Serial Attached SCSI (SAS) Clock Generator. The 843071I uses an 18pF parallel resonant crystal over the range of 20.833MHz - 28.3MHz. For SATA/SAS applications, a 25MHz crystal is used and either 75MHz or 150MHz may be selected with the FREQ_SEL pin. For 10Gb Fibre Channel applications, a 26.5625MHz crystal is used for 159.375MHz output. The 843071I has excellent <1ps phase jitter performance, over the 12kHz - 20MHz integration range. The 843071I is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.
