參數(shù)資料
型號(hào): DS3105LN+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 1/124頁(yè)
文件大小: 0K
描述: IC TIMING LINE CARD 64-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 160
類型: 定時(shí)卡 IC,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum,電信
輸入: CMOS,LVDS,LVPECL,TTL
輸出: CMOS,LVDS,LVPECL,TTL
電路數(shù): 1
比率 - 輸入:輸出: 5:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 312.5MHz
電源電壓: 1.62 V ~ 1.98 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
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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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DS3105LN+ 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Line Card Timing IC RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
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