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DS21Q41BT+ PDF预览

DS21Q41BT+

更新时间: 2024-10-28 20:04:47
品牌 Logo 应用领域
美信 - MAXIM 电信电信集成电路
页数 文件大小 规格书
61页 715K
描述
Framer, CMOS, PQFP128, TQFP-128

DS21Q41BT+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:128
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.61
JESD-30 代码:R-PQFP-G128JESD-609代码:e3
长度:20 mm湿度敏感等级:3
功能数量:4端子数量:128
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装形状:RECTANGULAR封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.6 mm标称供电电压:5 V
表面贴装:YES技术:CMOS
电信集成电路类型:FRAMER温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:14 mm
Base Number Matches:1

DS21Q41BT+ 数据手册

 浏览型号DS21Q41BT+的Datasheet PDF文件第2页浏览型号DS21Q41BT+的Datasheet PDF文件第3页浏览型号DS21Q41BT+的Datasheet PDF文件第4页浏览型号DS21Q41BT+的Datasheet PDF文件第5页浏览型号DS21Q41BT+的Datasheet PDF文件第6页浏览型号DS21Q41BT+的Datasheet PDF文件第7页 
DS21Q41B  
Quad T1 Framer  
www.dalsemi.com  
FEATURES  
FUNCTIONAL DIAGRAM  
§ 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  
RECEIVE  
FRAMER  
ELASTIC  
STORE  
§ 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  
TRANSMIT  
FORMATTER  
ELASTIC  
STORE  
FRAMER #0  
FRAMER #1  
FRAMER #2  
FRAMER #3  
CONTROL PORT  
§ Contains ANSI 1s density monitor and  
enforcer  
§ CSU loop code generator and detector  
§ Programmable output clocks for Fractional  
T1, ISDN-PRI, Actual Size and per channel  
loopback applications  
§ Onboard FDL support circuitry  
§ Pin-compatible with DS21Q43 Quad E1  
Framer  
ACTUAL SIZE  
QUAD  
T1  
FRAMER  
§ 5V supply; low power CMOS  
§ Available in 128-pin TQFP  
§ Industrial (-40°C to +85°C) grade version  
available (DS21Q41BTN)  
DESCRIPTION  
The DS21Q41B combines four of the popular DS2141A T1 Controllers onto a single monolithic die. The  
“B” designation 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 framers 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 contained 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.  
1 of 61  
092299  

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