參數(shù)資料
型號(hào)： DS21Q41B
廠商： Maxim Integrated Products, Inc.
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù)： 1/55頁
文件大小： 424K
代理商： DS21Q41B
DS21Q41B
Quad T1 Framer
DS21Q41B
022798 1/55
FEATURES
Four T1 DS1/ISDN–PRI framing transceivers
All four framers are fully independent
Frames to D4, ESF, and SLC–96 formats
8–bit parallel control port that can be connected to
either multiplexed or non–multiplexed buses
Each of the four framers contains dual two–frame
elastic stores that can connect to asynchronous or
synchronous backplanes up to 8.192 MHz
Extracts and inserts robbed bit signaling
Framer and payload loopbacks
Large counters for BPVs, LCVs, EXZs, CRC6, PCVs,
F–bit errors and the number of multiframes out of sync
Contains ANSI ones density monitor and enforcer
CSU loop code generator and detector
Programmable output clocks for Fractional T1, ISDN–
PRI, Actual Size and per channel loopback applica-
tions
Onboard FDL support circuitry
Pin compatible with DS21Q43 Quad E1 Framer
5V supply; low power CMOS
Available in 128–pin TQFP
Industrial (–40
°
C to +85
°
C) grade version available
(DS21Q41BTN)
FUNCTIONAL DIAGRAM
FRAMER #1
FRAMER #2
FRAMER #3
FRAMER #0
RECEIVE
FRAMER
TRANSMIT
FORMATTER
ELASTIC
STORE
ELASTIC
STORE
CONTROL PORT
ACTUAL SIZE
QUAD
T1
FRAMER
DESCRIPTION
The DS21Q41B combines four of the popular DS2141A
T1 Controllers onto a single monolithic die. The “B” des-
ignation denotes that some new features are available
in the Quad version that were not available in the single
T1 device. The added features in the DS21Q41B are
listed in Section 1. The DS21Q41B offers a substantial
space savings to applications that require more than
one T1 framer on a card. The Quad version is only
slightly bigger than the single T1 device. All four fram-
ers in the DS21Q41B are totally independent, they do
not share a common framing synchronizer. Also, the
transmit and receive sides of each framer are totally
independent. The dual two–frame elastic stores con-
tained in each of the four framers can be independently
enabled and disabled as required. The DS21Q41B
meets all of the latest specifications including ANSI
T1.403 (and the emerging T1.403–199X), ANSI
T1.231–1993, AT&T TR62411, AT&T TR54016, ITU
G.704 and G.706.
相關(guān)PDF資料
PDF描述
DS21Q43A Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
DS21Q50 Quad E1 Transceiver
DS21Q50L Quad E1 Transceiver
DS21Q50LN Quad E1 Transceiver
DS21Q59 RELIABILITY REPORT FOR DS21Q59, REV A2
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q41BT 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
DS21Q41-BT 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS21Q41BT+ 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
DS21Q41BT+T 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
DS21Q41BTN 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad T1 Framer
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