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參數資料
| 型號： | DS26303LN-75 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| 中文描述： | 3.3，E1/T1/J1，短途，八線路接口單元 |
| 文件頁數： | 1/97頁 |
| 文件大小： | 966K |
| 代理商： | DS26303LN-75 |
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REV 072205
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
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.
through
internal
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
TCLK
RCLK
TPOS
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 ETSI 300233
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 G.703, G.742, G.775,
G.823, ETSI 300 166, and ETSI 300 233
Single 3.3V Supply with 5V Tolerant I/O
JTAG Boundary Scan as per IEEE 1149.1
160-Pin PBGA/144-Pin
eLQFP
Package
ORDERING INFORMATION
PART
TEMP RANGE
DS26303G-XXX*
0°C to +70°C
PIN-PACKAGE
160 PBGA
DS26303GN-XXX*
-40°C to +85°C
160 PBGA
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 impedance in E1
mode; when XXX is 120, the part defaults to 120 impedance.
+
Denotes a lead-free/ROHS-compliant device.
* Future product—contact factory for availability.
DS26303
3.3V, E1/T1/J1, Short-Haul,
Octal Line Interface Unit
www.maxim-ic.com
DS26303
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| DS26519 | 16-Port T1/E1/J1 Transceiver |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS26303LN-75+ | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303LN-75+A3 | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303LN-75A3 | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303LN-XXX | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303LN-XXX+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
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