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SI5350B-B Fiches technique(PDF) 11 Page - Silicon Laboratories |
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SI5350B-B Fiches technique(HTML) 11 Page - Silicon Laboratories |
11 / 32 page Si5350B-B Rev. 1.0 11 3. Functional Description The Si5350B features a high-frequency PLL, a high-frequency VCXO and a high-resolution fractional MultiSynthTM divider on each output. A block diagram of both the 3-output and the 8-output clock generators are shown in Figure 4. Free-running clocks are generated from the on-chip oscillator + PLL, and a separate voltage controlled oscillator (VCXO) is used to generate synchronous clocks. A fixed-frequency non-pullable standard AT-cut crystal provides frequency stability for both the internal oscillator and VCXO. The flexible synthesis architecture of the Si5350B generates up to eight non-integer related frequencies and any combination of free-running and/or synchronous clocks. Figure 4. Block Diagram of the 3 and 8 Output Si5350B Devices 10-MSOP MultiSynth 3 F1_2 F2_2 R2 FS MultiSynth 2 VDD GND CLK2 F1_0 F2_0 R0 FS MultiSynth 0 F1_1 F2_1 R1 FS MultiSynth 1 CLK0 CLK1 VDDO F1_3 F2_3 R3 FS MultiSynth 3 F1_2 F2_2 R2 FS MultiSynth 2 20-QFN VDD GND CLK2 CLK3 VDDOB Control Logic P2 P3 P0 P1 F1_0 F2_0 R0 FS MultiSynth 0 F1_1 F2_1 R1 FS MultiSynth 1 CLK0 CLK1 VDDOA R6 R7 CLK6 CLK7 VDDOD F1_4 F2_4 R4 FS MultiSynth 4 F1_5 F2_5 R5 FS MultiSynth 5 CLK4 CLK5 VDDOC F1_6 MultiSynth 6 F1_7 MultiSynth 7 Control Logic P0 PLL OSC XA XB VC OSC XA XB VC PLL VCXO VCXO |
Numéro de pièce similaire - SI5350B-B |
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Description similaire - SI5350B-B |
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