VDD Supply Supply. The device operates from a 1.8, 2.5, or 3.3 V " />
參數(shù)資料
型號: SI5322/23-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 7/24頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR SI5322/23
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
已用 IC / 零件: SI5322,SI5323
已供物品: 板,線纜,CD,文檔
Si5322
Rev. 0.51
15
5, 10, 11,
15, 32
VDD
Supply
Supply.
The device operates from a 1.8, 2.5, or 3.3 V supply. Bypass
capacitors should be associated with the following VDD pins:
5
0.1 F
10
0.1 F
32
0.1 F
A 1.0 F should be placed as close to device as is practical.
6, 8,19,
20, 31
GND
Supply
Ground.
Must be connected to system ground. Minimize the ground
path impedance for optimal performance of this device.
9
AUTOSEL
I
3-Level
Manual/Automatic Clock Selection.
Three level input that selects the method of input clock
selection to be used.
L = Manual.
M = Automatic non-revertive.
H = Automatic revertive.
The pin has a weak pull-up and weak pull-down and
defaults to M.
Some designs may require an external resistor voltage
divider when driven by an active device that will tri-state.
12
13
CKIN2+
CKIN2–
IMulti
Clock Input 2.
Differential input clock. This input can also be driven with a
single-ended signal. Input frequency selected from a table
of values. The same frequency must be applied to CKIN1
and CKIN2.
14
DBL2_BY
I
3-Level
Output 2 Disable/Bypass Mode Control.
Controls enable of CKOUT2 divider/output buffer path and
PLL bypass mode.
L = CKOUT2 enabled.
M = CKOUT2 disabled.
H = Bypass mode with CKOUT2 enabled.
CMOS outputs do not support Bypass Mode.
The pin has a weak pull-up and weak pull-down and
defaults to M.
Some designs may require an external resistor voltage
divider when driven by an active device that will tri-state.
16
17
CKIN1+
CKIN1–
IMulti
Clock Input 1.
Differential input clock. This input can also be driven with a
single-ended signal. Input frequency selected from a table
of values. The same frequency must be applied to CKIN1
and CKIN2.
Table 9. Si5322 Pin Descriptions (Continued)
Pin #
Pin Name
I/O
Signal Level
Description
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參數(shù)描述
Si5322-B-GM 功能描述:時鐘合成器/抖動清除器 PIN-PROGRAMMABLE CLK MULTIPLIER 1 OUT RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
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