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参数资料
型号： DS3105LN+
厂商： Maxim Integrated Products
文件页数： 1/124页
文件大小： 0K
描述： IC TIMING LINE CARD 64-LQFP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 160
类型： 定时卡 IC，多路复用器
PLL： 是
主要目的： 以太网，SONET/SDH，Stratum，电信
输入： CMOS，LVDS，LVPECL，TTL
输出： CMOS，LVDS，LVPECL，TTL
电路数： 1
比率 - 输入:输出： 5:2
差分 - 输入:输出： 无/是
频率 - 最大： 312.5MHz
电源电压： 1.62 V ~ 1.98 V
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 64-LQFP
供应商设备封装： 64-LQFP（10x10）
包装： 托盘
1
DS3105
Line Card Timing IC
General Description
The DS3105 is a low-cost, feature-rich timing IC for
telecom line cards. Typically, the device accepts two
reference clocks from dual redundant system timing
cards. The DS3105 continually monitors both inputs
and performs automatic hitless reference switching if
the primary reference fails. The highly programmable
DS3105
supports
numerous
input
and
output
frequencies
including
frequencies
required
for
SONET/SDH, Synchronous Ethernet (1G, 10G, and
100Mbps),
wireless
base
stations,
and
CMTS
systems. PLL bandwidths from 18Hz to 400Hz are
supported, and a wide variety of PLL characteristics
and device features can be configured to meet the
needs of many different applications.
The DS3105 register set is backward compatible with
Semtech’s ACS8525 line card timing IC. The DS3105
pinout is similar but not identical to the ACS8525.
Applications
SONET/SDH, Synchronous Ethernet, PDH, and
Other Line Cards in WAN Equipment Including
MSPPs, Ethernet Switches, Routers, DSLAMs,
and Wireless Base Stations
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
DS3105LN
-40
°C to +85°C
64 LQFP
DS3105LN+
-40
°C to +85°C
64 LQFP
+Denotes a lead(Pb)-free/RoHS-compliant package.
Features
Advanced DPLL Technology
Programmable PLL Bandwidth: 18Hz to 400Hz
Hitless Reference Switching, Automatic or Manual
Holdover on Loss of All Input References
Frequency Conversion Among SONET/SDH,
PDH, Ethernet, Wireless, and CMTS Rates
Five Input Clocks
Two CMOS/TTL Inputs
(≤ 125MHz)
Two LVDS/LVPECL/CMOS/TTL (≤ 156.25MHz)
Backup Input (CMOS/TLL) in Case of Complete
Loss of System Timing References
Three Optional Frame-Sync Inputs (CMOS/TTL)
Continuous Input Clock Quality Monitoring
Numerous Input Clock Frequencies Supported
Ethernet xMII: 2.5, 25, 125, 156.25MHz
SONET/SDH: 6.48, N x 19.44, N x 51.84MHz
PDH: N x DS1, N x E1, N x DS2, DS3, E3
Frame Sync: 2kHz, 4kHz, 8kHz
Custom Clock Rates: Any Multiple of 2kHz Up to
131.072MHz, Any Multiple of 8kHz Up to
155.52MHz
Two Output Clocks
One CMOS/TTL Output (
≤ 125MHz)
One LVDS/LVPECL Output (
≤ 312.50MHz)
Two Optional Frame-Sync Outputs: 2kHz, 8kHz
Numerous Output Clock Frequencies Supported
Ethernet xMII: 2.5, 25, 125, 156.25, 312.5MHz
SONET/SDH: 6.48, N x 19.44, N x 51.84MHz
PDH: N x DS1, N x E1, N x DS2, DS3, E3
Other: 10, 10.24, 13, 30.72MHz
Frame Sync: 2kHz, 8kHz
Custom Clock Rates: Any Multiple of 2kHz Up to
77.76MHz, Any Multiple of 8kHz Up to
311.04MHz, Any Multiple of 10kHz Up to
388.79MHz
General
Suitable Line Card IC for Stratum 3/3E/4, SMC,
SEC
Internal Compensation for Master Clock Oscillator
SPI Processor Interface
1.8V Operation with 3.3V I/O (5V Tolerant)
Industrial Operating Temperature Range
Data Sheet
April 2012
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相关代理商/技术参数
参数描述
DS3105LN+ 功能描述:计时器和支持产品 Line Card Timing IC RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS3106 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Line Card Timing IC
DS3106A10SL3S(621) 制造商:Amphenol Corporation 功能描述:
DS3106A14S2S 制造商:Amphenol Corporation 功能描述:
DS3106A14S2S(621) 制造商:Amphenol Corporation 功能描述:
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