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參數(shù)資料
| 型號(hào)： | ACS8947T |
| 廠商： | Semtech |
| 文件頁(yè)數(shù)： | 21/30頁(yè) |
| 文件大小： | 0K |
| 描述： | IC JITTER ATT MULT PLL 48-QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 時(shí)鐘/頻率發(fā)生器，多路復(fù)用器 |
| PLL： | 是 |
| 主要目的： | 3G，以太網(wǎng)，PCI，SONET/SDH，無(wú)線系統(tǒng) |
| 輸入： | LVPECL |
| 輸出： | CML，LVPECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:4 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 625MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-VFQFN 裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 48-QFN（7x7） |
| 包裝： | 托盤(pán) |
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ACS8947T JAM PLL
ADVANCED COMMS & SENSING
FINAL
DATASHEET
Revision 1.00/September 2007 Semtech Corp.
Page 28
www.semtech.com
CML
Current Mode Logic
CMU
Clock Multiplier Unit
ESD
Electrostatic Discharge
ESR
Effective Series Resistance
HBM
Human Body Model
I/O
Input - Output
JAM PLL
Jitter Attenuating, Multiplying Phase
Locked Loop
GbE
Gigabit Ethernet
JAM PLL
Jitter Attenuating, Multiplying PLL
LC/P
Line Card Protection
LDO
Low Voltage Drop-out
LVDS
Low Voltage Differential Signal
LVPECL
Low Voltage (3.3 V) PECL
OC-3/12/48
Optical Carrier Signal Level 3/12/48
155.52 Mbps/ 622.08 Mbps/
2.488 Gbps
PECL
Positive Emitter Coupled Logic
PFD
Phase and Frequency Detector
PLL
Phase Locked Loop
POR
Power-On Reset
p-p
peak-to-peak
rms
root-mean-square
RoHS
Restrictive Use of Certain Hazardous
Substances (directive)
SDH
Synchronous Digital Hierarchy
SEC
SDH/SONET Equipment Clock
SETS
Synchronous Equipment Timing source
SONET
Synchronous Optical Network
STM-1/4/16
Synchronous Transport Module Levels
1/4/16: 155.52 Mbps/ 622.08 Mbps
2.488 Gbps (SDH)
STS-12/48
Synchronous Transport Signal Level:
12/48, 622.08 Mbps/2.488 Gbps
(SONET)
UI
Unit Interval
uP (
μP)
Microprocessor
VCO
Voltage Controlled Oscillator
WEEE
Waste Electrical and Electronic
Equipment (directive)
[1] EN 300 462-7-1 v1.1.2 (06/2001)
Transmission and Multiplexing (TM); Generic
requirements for synchronization networks; Part 7-1:
Timing characteristics of slave clocks suitable for
synchronization supply to equipment in local node
applications
[2] ETSI EN 302 084 V1.1.1 (2000-02)
Transmission and Multiplexing (TM); The control of jitter
and wander in transport networks
[3] ITU-T G.812 (06/1998)
Timing requirements of slave clocks suitable for use as
node clocks in synchronization networks
[4] ITU-T G.813 (08/1996)
Timing characteristics of SDH equipment slave clocks
(SEC)
[5] ITU-T G.823 (03/2000)
The control of jitter and wander within digital networks
which are based on the 2048 kbit/s hierarchy
[6] ITU-T G.824 (03/2000)
The control of jitter and wander within digital networks
which are based on the 1544 kbit/s hierarchy
[7] ITU-T G.825 (03/2000)
The control of jitter and wander within digital networks
which are based on the Synchronous Digital Hierarchy
(SDH)
[8] Telcordia GR-253-CORE, Issue 3 (09/ 2000)
Synchronous Optical Network (SONET) Transport
Systems: Common Generic Criteria
[9] Telcordia GR-499-CORE, Issue 2 (12/1998)
Transport Systems Generic Requirements (TSGR)
Common requirements
[10] Telcordia GR-1244-CORE, Issue 2 (12/2000)
Clocks for the Synchronized Network: Common Generic
Criteria
[11] RoHS Directive 2002/95/EC: Directive 2002/95/EC
of the European Parliament and of the Council of 27
January 2003 on the restriction of the use of certain
hazardous substances in electrical and electronic
equipment
Abbreviations
References and Related Standards
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