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| 型号： | DS26303LN-75+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/101页 |
| 文件大小： | 0K |
| 描述： | IC LIU E1/T1/J1 3.3V 144-ELQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 13 |
| 类型： | 线路接口装置（LIU） |
| 驱动器/接收器数： | 8/8 |
| 规程： | T1/E1/J1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LQFP 裸露焊盘 |
| 供应商设备封装： | 144-LQFP 裸露焊盘 |
| 包装： | 托盘 |
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REV: 053107
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 DS26303 is an 8-channel short-haul line
interface unit (LIU) that supports E1/T1/J1 from a
single
3.3V
power
supply.
A
wide
variety
of
applications
are
supported
through
internal
termination or external termination. A single bill of
material can support E1/T1/J1 with minimum external
components.
Redundancy
is
supported
through
nonintrusive
monitoring,
optimal
high-impedance
modes,
and
configurable
1:1
or
1+1
backup
enhancements. An on-chip synthesizer generates the
E1/T1/J1 clock rates by a single master clock input of
various frequencies. Two clock output references are
also offered.
APPLICATIONS
T1 Digital Cross-Connects
ATM and Frame Relay Equipment
Wireless Base Stations
ISDN Primary Rate Interface
E1/T1/J1 Multiplexer and Channel Banks
E1/T1/J1 LAN/WAN Routers
FUNCTIONAL DIAGRAM
TNEG
RCLK
TPOS
TCLK
RPOS
RNEG
Software Control,
Hardware Control
and JTAG
Transmitter
Receiver
RLOS
1
8
RTIP
RRING
MODESEL
Jtag
TTTIP
TRING
FEATURES
8 Complete E1, T1, or J1 Short-Haul Line
Interface Units
Independent E1, T1, or J1 Selections
Internal Software-Selectable Transmit and
Receive-Side Termination
Crystal-Less Jitter Attenuator
Selectable Single-Rail and Dual-Rail Mode
and AMI or HDB3/B8ZS Line Encoding and
Decoding
Detection and Generation of AIS
Digital/Analog Loss-of-Signal Detection as
per T1.231, G.775, and ETS 300 233
External Master Clock can be Multiple of
2.048MHz or 1.544MHz for T1/J1 or E1
Operation; This Clock will be Internally
Adapted for T1 or E1 Use
Built-In BERT Tester for Diagnostics
8-Bit Parallel Interface Support for Intel or
Motorola Mode or a 4-Wire Serial Interface
Hardware Mode Interface Support
Transmit Short-Circuit Protection
G.772 Nonintrusive Monitoring
Specification Compliance to the Latest T1
and E1 Standards—ANSI T1.102, AT&T Pub
62411, T1.231, T1.403, ITU-T G.703, G.742,
G.775, G.823, ETS 300 166, and ETS 300 233
Single 3.3V Supply with 5V Tolerant I/O
JTAG Boundary Scan as per IEEE 1149.1
144-Pin eLQFP Package
ORDERING INFORMATION
PART
TEMP RANGE
PIN-PACKAGE
DS26303L-XXX
0°C to +70°C
144 eLQFP
DS26303L-XXX+
0°C to +70°C
144 eLQFP
DS26303LN-XXX
-40°C to +85°C
144 eLQFP
DS26303LN-XXX+
-40°C to +85°C
144 eLQFP
Note: When XXX is 075, the part defaults to 75
Ω impedance in E1
mode; when XXX is 120, the part defaults to 120
Ω impedance.
+ Denotes a lead-free/RoHS-compliant package.
e = Exposed Pad.
DS26303
3.3V, E1/T1/J1, Short-Haul,
Octal Line Interface Unit
www.maxim-ic.com
DS26303
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS26303LN-75+ | 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| DS26303LN-75+A3 | 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| DS26303LN-75A3 | 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| DS26303LN-XXX | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303LN-XXX+ | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
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