XRT8010 データシートの表示（PDF） - Exar Corporation

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XRT8010

312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS

Exar Corporation 

312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS

FIGURE 3. LVDS OUTPUT WAVEFORMS AND TEST CIRCUITS

XRT8010

REV. 1.0.2

TABLE 2: FREQUENCY SELECTION TABLE

FS0PIN 10

FS1PIN 9

CRYSTAL

FREQUENCY

INTERNAL

CAPACITOR

MULTIPLY

RATIO

1

1

39.0 MHz

12 pF

8x

0

1

39.0 MHz

12 pF

8x

1

0

19.5 MHz

20 pF

16x

0

0

19.5 MHz

20 pF

16x

NOTES:

1. Use Parallel Fundamental mode crystal

2. FS0 has a 50KΩ pull-up resistor to VDD on chip

3. FS1 has a 50KΩ pull-down resistor to ground on chip

OUTPUT

DIVIDE

1

2

1

2

FREQUENCY

OUTPUT

312 MHz

156 MHz

312 MHz

156 MHz

5

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