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參數資料
| 型號： | XR-T7288 |
| 廠商： | Exar Corporation |
| 英文描述： | CEPT1 Line Interface |
| 中文描述： | CEPT1線路接口 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 293K |
| 代理商： | XR-T7288 |
XR-T7288
...the analog plus company
TM
CEPT1
Line Interface
Rev. 1.01
1992
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017
1
June 1997-3
FEATURES
Fully Integrated 2.048Mbits/s Line Interface
Intended For Use In Systems That Must Comply
With CCITT Specifications G.703, G.823, I.431,
G.732, G.735, G.739
Pin-Selectable 75
or 120
Operation
Monolithic Clock Recovery
Low Power Dissipation:
100mW for 120
Twisted Pair, Typical
108mW for 75
Coaxial, Typical
Minimal External Circuitry Required
Robust Frequency Acquisition/Phase-Locked Loop
Pin-Selectable HDB3 Encoder and Decoder
Loopback Modes for Fault Isolation
Multiple Link-Status and Alarm Features
Single-Rail/Dual-Rail Interface
GENERAL DESCRIPTION
The XR-T7288 CEPT1 Line Interface is an integrated
circuit that provides a 2.048 Mbits/s line interface to either
twisted-pair or coaxial cable as specified in CCITT
requirements G.703, G.823, I.431, G.732, and G.735
G.739. The device performs receive pulse regeneration,
timing recovery, and transmit pulse driving functions. The
XR-T7288 device is manufactured by using low-power
CMOS technology and is available in a 28-pin, plastic DIP
or in a 28-pin, plastic SOJ package for surface mounting.
The XR-T7288 device is functionally compatible with the
LC1135B device. The digital circuitry is shown in
Figure 1. the analog circuitry is shown in Figure 6.
ORDERING INFORMATION
Part No.
XR-T7288IP
Package
Operating
Temperature Range
-40
°
C to +85
°
C
-40
°
C to +85
°
C
28 Lead 300 Mil PDIP
XR-T7288IW
28 Lead 300 Mil Jedec SOJ
相關PDF資料 |
PDF描述 |
|---|---|
| XR-T7295E-1EIP | INTEGRATED LINE RECEIVER |
| XRT7295E | INTEGRATED LINE RECEIVER |
| XR-T7295E-1EIW | INTEGRATED LINE RECEIVER |
| XR-T7295E | INTEGRATED LINE RECEIVER |
| XR-T7295IP | DS3/Sonet STS-1 Integrated Line Receiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| XRT7288IP | 制造商:Exar Corporation 功能描述: 制造商:Exar Corporation 功能描述:DATACOM, PCM TRANSCEIVER, PDIP28 |
| XR-T7288IP | 制造商:EXAR 制造商全稱:EXAR 功能描述:CEPT1 Line Interface |
| XRT7288IW | 制造商:EXAR 制造商全稱:EXAR 功能描述:CEPT1 Line Interface |
| XR-T7288IW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver |
| XR-T7295 | 制造商:EXAR 制造商全稱:EXAR 功能描述:DS3/Sonet STS-1 Integrated Line Receiver |
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