In I2C control mode (CMODE " />
參數(shù)資料
型號(hào): SI5319A-C-GMR
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 37/50頁(yè)
文件大小: 0K
描述: IC CLOCK MULT/ATTENUATOR 36QFN
標(biāo)準(zhǔn)包裝: 250
系列: DSPLL®
類型: 時(shí)鐘/頻率倍增器,抖動(dòng)衰減器,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH
輸入: 時(shí)鐘,晶體
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.4GHz
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 帶卷 (TR)
Si5319
42
Rev. 1.0
25
24
A1
A0
ILVCMOS
Serial Port Address.
In I2C control mode (CMODE = 0), these pins function as hardware
controlled address bits. The I2C address is 1101 [A2] [A1] [A0].
In SPI control mode (CMODE = 1), these pins are ignored.
These pins have a weak pull-down.
26
A2_SS
ILVCMOS
Serial Port Address/Slave Select.
In I2C control mode (CMODE = 0), this pin functions as a hardware
controlled address bit [A2].
In SPI control mode (CMODE = 1), this pin functions as the slave
select input.
This pin has a weak pull-down.
27
SDI
I
LVCMOS
Serial Data In.
In I2C control mode (CMODE = 0), this pin is ignored.
In SPI control mode (CMODE = 1), this pin functions as the serial data
input.
This pin has a weak pull-down.
29
28
CKOUT–
CKOUT+
OMulti
Output Clock.
Differential output clock with a frequency range of 10 MHz to
1.4175 GHz. Output signal format is selected by SFOUT1_REG regis-
ter bits. Output is differential for LVPECL, LVDS, and CML compatible
modes. For CMOS format, both output pins drive identical single-
ended clock outputs.
36
CMODE
I
LVCMOS
Control Mode.
Selects I2C or SPI control mode for the Si5319.
0 = I2C Control Mode
1 = SPI Control Mode
GND
PAD
GND
Supply
Ground Pad.
The ground pad must provide a low thermal and electrical impedance
to a ground plane.
Pin #
Pin Name
I/O
Signal Level
Description
Note:
Internal register names are indicated by underlined italics (e.g., INT_PIN. See Si5319 Register Map).
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