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PLL501-23SM Datasheet(PDF) 1 Page - PhaseLink Corporation |
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PLL501-23SM Datasheet(HTML) 1 Page - PhaseLink Corporation |
1 / 5 page PLL501-21/23 VCXO Clock Generator IC 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 01/15/01 Page 1 FEATURES • On-chip tunable voltage-controlled crystal oscillator circuitry (VCXO) allows precise system frequency tuning (pull range 200ppm minimum). • VCXO tuning range: 0-3.3V. • Uses inexpensive fundamental-mode crystals. • Integrated phase-locked loop (PLL) multiplies VCXO frequency to the higher system frequencies needed. • 3.3V supply voltage. • Small circuit board footprint (8-pin 0.150’’ SOIC). • Custom frequency selections available. • 12mA output drives capability at TTL level. DESCRIPTIONS The PLL501-21/23 is a monolithic low Jitter, high performance CMOS clock generator IC. It has a circuitry that implements a voltage-controlled crystal oscillator when an external resonator (nominally 13.5MHz) is attached. The VCXO allows device frequencies to be precisely adjusted for matching requirements. This product is ideal for Set-Top Box and multimedia synthesizer applications. PIN CONFIGURATION Table 1: Crystal / Output Frequencies DEVICE FXIN (MHz) CLK (MHz) PLL501-21 13.5 27 PLL501-23 13.5 54 Note: Contact PhaseLink for custom PLL Frequencies BLOCK DIAGRAM VIN XOUT XIN VCXO PLL CLK Output Buffer 1 2 3 4 5 6 7 8 XIN VDD VIN GND XOUT VDD CLK GND |
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