Cypress Semiconductor W48C20
The W48C20 is a general-purpose device that features two phase-locked loops. The W48C20 has four clock outputs, each of which is maskable to a different frequency. External Components/Crystal Selection The W48C20 incorporates a crystal oscillator circuit designed to provide 50% duty cycle over a range of operating conditions, including the addition of external crystal load capacitors to pins X1 and X2.| Part No. | W48C20 |
|---|---|
| Datasheet | W48C20 Download |
| Manufacturer |  Cypress Semiconductor |
| Description | Audio Subsystem Clock Generator |
| Buy | Stock & Price |
FEATURES
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● Two independent phase-locked loops Four independent output frequencies ±250 ps maximum cycle-to-cycle jitter 3 ns rise/fall time (20%-80% VDD). Options available for a wide range of applications Supports 3.3V and 5V operation Low power CMOS design available in: — 8-pin SOIC (Small Outline Integrated Circuit) Overview Through the use of metal masks, the chip can be tailored to a wide variety of applications. Because the chip offers four outputs in eight pins, it is suited to applications that require multiple frequencies and have space constraints. Table 1. Product Selection Guide Mask -01A -08 -09 Pin 4 Pin 5 Pin 6 Pin 7 27.00 25.00 Application DVD Hard Disk Drives 16.9344 24.576 33.8688 14.318 Audio/Crystal 33.8688 18.432 16.9344 40.00 22.50 20.00 Functional Block Diagram VCC X1 XTAL OSC OUTPUT OUTPUT PLL 1 OUTPUT Crystal load capacitors as needed XTAL X2 PLL 2 OUTPUT GND Pin Configuration X1 VCC GND OUTPUT 1 2 3 4 8 7 6 5 X2 OUTPUT OUTPUT OUTPUT Cypress Semicon...
