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ST49C101ACF8-08 Scheda tecnica(PDF) 3 Page - Exar Corporation |
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ST49C101ACF8-08 Scheda tecnica(HTML) 3 Page - Exar Corporation |
3 / 10 page ST49C101A-XX 3 Rev. 2.20 PIN DESCRIPTION Pin # Symbol Type Description 1 XTAL1 I Crystal or External Clock Input. A crystal can be connected to this pin and XTAL2 pin to generate internal phase locked loop reference clock. For external clock, XTAL2 is left open or used as buffered clock output. 21 OE I Clock Output Enable (Active high). CLOCK output is three stated when this pin is low. Connect to DVCC for normal operation. 3 AGND O Analog Ground. 4 DGND O Digital Ground. 5 CLOCK O Programmed Output Clock. 6DV CC I Positive Supply Voltage. Single +5 or 3.3 volts. 7AV CC I Analog Supply Voltage. Single +5 or 3.3 volts. 8 XTAL2 O Crystal Output. Note: 1Has internal weak pull-up resistor 8 1 5 4 2 3 7 6 XTAL2 AVCC DVCC CLOCK XTAL1 OE AGND DGND 8 Pin SOIC (Jedec, 0.150") |
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