參數(shù)資料
型號(hào): SI5350B-AXXXXX-GT
廠(chǎng)商: SILICON LABORATORIES
元件分類(lèi): 時(shí)鐘產(chǎn)生/分配
英文描述: 133 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO10
封裝: MO-137C, MSOP-10
文件頁(yè)數(shù): 22/22頁(yè)
文件大?。?/td> 249K
代理商: SI5350B-AXXXXX-GT
Si5350B
Rev. 0.2
9
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 2. 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 2. 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, 24-QSOP
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
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