参数资料
型号: SI5315B-C-GMR
厂商: Silicon Laboratories Inc
文件页数: 6/54页
文件大小: 0K
描述: IC CLOCK MULT 8KHZ-125MHZ 36QFN
应用说明: SI5315/17 Crystal Selection AppNote
标准包装: 250
系列: DSPLL®
类型: 时钟/频率倍增器,抖动衰减器,多路复用器
PLL:
主要目的: 以太网,SONET/SDH/PDH,电信
输入: CML,CMOS,LVDS,LVPECL
输出: CML,CMOS,LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 125MHz
电源电压: 1.71 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-VFQFN 裸露焊盘
供应商设备封装: 36-QFN(6x6)
包装: 带卷 (TR)
Si5315
14
Rev. 1.0
2. Typical Application Circuit
Figure 5. Si5315 Typical Application Circuit
Si5315
LOS1
LOS2
LOL
CKOUT1+
CKOUT1–
CKIN1 Loss of Signal Indicator
CKIN2 Loss of Signal Indicator
PLL Loss of Lock Indicator
CKOUT2+
CKOUT2–
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
CKIN1+
CKIN1–
Backplane or Line
Recovered Clock
Inputs
CKIN2+
CKIN2–
Notes:
3. Assumes manual input clock selection.
XA
XB
40 MHz Crystal
Option 1:
1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
VD
D
GN
D
Ferrite
Bead
System
Power
Supply
C3
C2
C1
C4
0.1 F
1 F
130
130
82
82
VDD = 3.3 V
130
130
82
82
VDD = 3.3 V
Clock Outputs to
Ethernet PHYs
100
0.1 F
+
100
0.1 F
+
XA
XB
Ext. Refclk+
Option 2:
0.1 F
Ext. Refclk–
0.1 F
BWSEL[1:0]2
Bandwidth Select
VDD
15 k
15 k
SFOUT[1:0]2
Signal Format Select
VDD
15 k
15 k
DBL2_BY2
Clock Output 2 Disable/
Bypass Mode Control
VDD
15 k
15 k
FRQSEL[3:0]2
Frequency Select
VDD
15 k
15 k
FRQTBL2
Frequency Table Select
VDD
15 k
15 k
CS3
Input Clock Select
VDD
15 k
15 k
AUTOSEL2
Manual/Automatic Clock
Selection (L)
VDD
15 k
15 k
XTAL/Clock2
Crystal/Ref Clk
VDD
15 k
15 k
RST
Reset
G
ND
Pa
d
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