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参数资料
型号： DS3254N#
厂商： Maxim Integrated Products
文件页数： 1/71页
文件大小： 0K
描述： IC LIU DS3/E3/STS-1 144-CSBGA
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 160
类型： 线路接口装置（LIU）
驱动器/接收器数： 4/4
规程： IEEE 1149.1
电源电压： 3.135 V ~ 3.465 V
安装类型： 表面贴装
封装/外壳： 144-BGA，CSPBGA
供应商设备封装： 144-TECSBGA（13x13）
包装： 管件
1 of 71
REV: 030106
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
GENERAL DESCRIPTION
The DS3251 (single), DS3252 (dual), DS3253
(triple), and DS3254 (quad) line interface units (LIUs)
perform the functions necessary for interfacing at the
physical layer to DS3, E3, or STS-1 lines. Each LIU
has independent receive and transmit paths and a
built-in jitter attenuator. An on-chip clock adapter
generates all line-rate clocks from a single input
clock. Control interface options include 8-bit parallel,
SPI, and hardware mode.
APPLICATIONS
SONET/SDH and PDH Multiplexers
Digital Cross-Connects
Access Concentrators
ATM and Frame Relay Equipment
Routers
PBXs
DSLAMs
CSU/DSUs
FUNCTIONAL DIAGRAM
FEATURES
Pin-Compatible Family of Products
Each Port Independently Configurable
Receive Clock and Data Recovery for Up to 380
meters (DS3), 440 meters (E3), or 360 meters
(STS-1) of 75
Coaxial Cable
Standards-Compliant Transmit Waveshaping
Three Control Interface Options: 8-Bit Parallel,
SPI, and Hardware Mode
Built-In Jitter Attenuators can be Placed in Either
the Receive or Transmit Paths
Jitter Attenuators Have Provisionable Buffer
Depth: 16, 32, 64, or 128 Bits
Built-In Clock Adapter Generates All Line-Rate
Clocks from a Single Input Clock (DS3, E3,
STS-1, OC-3, 19.44MHz, 38.88MHz,
77.76MHz)
B3ZS/HDB3 Encoding and Decoding
Minimal External Components Required
Local and Remote Loopbacks
Low-Power 3.3V Operation (5V Tolerant I/O)
Industrial Temperature Range: -40°C to +85°C
Small Package: 144-Pin, 13mm x 13mm
Thermally Enhanced CSBGA
Drop-In Replacement for DS3151/52/53/54 LIUs
IEEE 1149.1 JTAG Support
Features continued on page 5.
ORDERING INFORMATION
PART
LIU
TEMP RANGE
PIN-PACKAGE
DS3251
1
0°C to +70°C
144 TE-CSBGA
DS3251N
1
-40°C to +85°C
144 TE-CSBGA
DS3252
2
0°C to +70°C
144 TE-CSBGA
DS3252N
2
-40°C to +85°C
144 TE-CSBGA
DS3253
3
0°C to +70°C
144 TE-CSBGA
DS3253N
3
-40°C to +85°C
144 TE-CSBGA
DS3254
4
0°C to +70°C
144 TE-CSBGA
DS3254N
4
-40°C to +85°C
144 TE-CSBGA
RXP
RXN
TXP
TXN
CLK
DATA
CLK
DATA
LINE IN
DS3, E3,
OR STS-1
LINE OUT
DS3, E3,
OR STS-1
RECEIVE
CLOCK
AND DATA
TRANSMIT
CLOCK
AND DATA
EACH LIU
STATUS
CONTROL
Dallas
Semiconductor
DS325x
DS3251/DS3252/DS3253/DS3254
Single/Dual/Triple/Quad
DS3/E3/STS-1 LIUs
www.maxim-ic.com
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相关代理商/技术参数
参数描述
DS3254N# 功能描述:网络控制器与处理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS3254N+ 功能描述:网络控制器与处理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS3254NA3 制造商:Maxim Integrated Products 功能描述:QUAD ENH DS3/E3 LIU REV A3 IND - Rail/Tube
DS3256 功能描述:网络控制器与处理器 IC X6 T3/E3 Line Interface Unit RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS3256N 功能描述:网络控制器与处理器 IC X6 T3/E3 Line Interface Unit RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
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