參數(shù)資料
型號： DS21Q48N
英文描述： 5V E1/T1/J1 Line Interface
中文描述： 5V的E1/T1/J1線路接口
文件頁數(shù)： 1/75頁
文件大?。?/td> 544K
代理商： DS21Q48N
1 of 75
REV: 082504
www.maxim-ic.com
FEATURES
Complete E1, T1, or J1 line interface unit
(LIU)
Supports both long- and short-haul trunks
Internal software-selectable receive-side
termination for 75
/100
/120
5V power supply
32-bit or 128-bit crystal-less jitter attenuator
requires only a 2.048MHz master clock for
both E1 and T1 with option to use 1.544MHz
for T1
Generates the appropriate line build outs,
with and without return loss, for E1 and
DSX-1 and CSU line build outs for T1
AMI, HDB3, and B8ZS, encoding/decoding
16.384MHz, 8.192MHz, 4.096MHz, or
2.048MHz clock output synthesized to
recovered clock
Programmable monitor mode for receiver
Loopbacks and PRBS pattern generation/
detection with output for received errors
Generates/detects in-band loop codes, 1 to 16
bits including CSU loop codes
8-bit parallel or serial interface with optional
hardware mode
Multiplexed and nonmultiplexed parallel bus
supports Intel or Motorola
Detects/generates blue (AIS) alarms
NRZ/bipolar interface for TX/RX data I/O
Transmit open-circuit detection
Receive Carrier Loss (RCL) indication
(G.775)
High-Z State for TTIP and TRING
50mA (rms) current limiter
PIN DESCRIPTION
ORDERING INFORMATION
Single-Channel Devices:
DS2148TN
44-Pin TQFP
DS2148T
44-Pin TQFP
DS2148GN
7mm CABGA (-40 C to +85 C)
DS2148G
7mm CABGA (0 C to +70 C)
Four-Channel Devices:
DS21Q48N
(Quad) BGA
DS21Q48
(Quad) BGA
(-40 C to +85 C)
(0 C to +70 C)
(-40 C to +85 C)
(0 C to +70 C)
44 TQFP
7mm
CABGA
1
44
DS2148/DS21Q48
5V E1/T1/J1 Line Interface
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DS2154 WSD 151 SOLDERING STATION 230V UKWSD 151 SOLDERING STATION 230V UK; Frequency, supply max:60Hz; Frequency, supply min:50Hz; Height:101mm; Length:166mm; Power, input:150W; Temperature range:50(degree C) - 550(degree C); Voltage,
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q48NB 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q50 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Quad E1 Transceiver
DS21Q50L 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q50L+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q50L-C01 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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