參數(shù)資料
型號(hào): SI5322-B-GM
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 1/24頁(yè)
文件大小: 0K
描述: IC PREC CLOCK MULTIPLIER 36QFN
標(biāo)準(zhǔn)包裝: 50
系列: DSPLL®
類型: 時(shí)鐘乘法器
PLL:
輸入: 時(shí)鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.05GHz
除法器/乘法器: 無(wú)/是
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(pán)
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 管件
Rev. 0.51 2/12
Copyright 2012 by Silicon Laboratories
Si5322
P IN-P ROGRAMMABLE P RECISION C LOCK M ULTIPLIER
Features
Applications
Description
The Si5322 is a low jitter, precision clock multiplier for high-speed
communication systems, including SONET OC-48/OC-192, Ethernet, and
Fibre Channel. The Si5322 accepts dual clock inputs ranging from 19.44
to 707 MHz and generates two equal frequency-multiplied clock outputs
ranging from 19.44 to 1050 MHz. The input clock frequency and clock
multiplication ratio are selectable from a table of popular SONET,
Ethernet, and Fibre Channel rates. The Si5322 is based on Silicon
Laboratories' 3rd-generation DSPLL technology, which provides any-
frequency synthesis in a highly-integrated PLL solution that eliminates the
need for external VCXO and loop filter components. The DSPLL loop
bandwidth
is
digitally
programmable,
providing
jitter
performance
optimization at the application level. Operating from a single 1.8, 2.5, or
3.3 V supply, the Si5322 is ideal for providing clock multiplication in high
performance timing applications.
Not recommended for new
designs. For alternatives, see the
Si533x family of products.
Selectable output frequencies
ranging from 19.44 to 1050 MHz
Low jitter clock outputs with jitter
generation as low as 0.6 psRMS
(50kHz–80MHz)
Integrated loop filter with
selectable loop bandwidth
(150 kHz to 1.3 MHz)
Dual clock inputs with manual or
automatically controlled
switching
Dual clock outputs with
selectable signal format:
LVPECL, LVDS, CML, CMOS
Support for ITU G.709 FEC ratios
(255/238, 255/237, 255/236)
LOS alarm output
Pin-programmable settings
On-chip voltage regulator for
1.8 V ±5%, 2.5 or 3.3 V ±10%
operation
Small size: 6 x 6 mm 36-lead
QFN
Pb-free, RoHS compliant
SONET/SDH OC-48/STM-16
and OC-192/STM-64 line cards
GbE/10GbE, 1/2/4/8/10GFC line
cards
ITU G.709 line cards
Optical modules
Test and measurement
Ordering Information:
Pin Assignments
1
2
3
29
30
31
32
33
34
35
36
20
21
22
23
24
25
26
27
10 11 12 13 14 15 16 17
4
5
6
7
8
FRQTBL
AUTOSEL
RST
C2B
C1B
GND
VDD
GND
VDD
CKIN2+
CKIN2–
DB
L2
_B
Y
VDD
CKIN1+
CKIN1–
CS_CA
BWSEL0
BWSEL1
FRQSEL1
FRQSEL2
FRQSEL3
CKOUT
1
SFO
U
T
1
GND
VDD
SF
O
U
T0
CKOUT
2
CKOUT
2
+
NC
GND
Pad
FRQSEL0
GND
9
18
19
28
NC
GND
CKOUT
1
+
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