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YTD439-S PDF预览

YTD439-S

更新时间: 2024-11-05 15:58:43
品牌 Logo 应用领域
雅马哈 - YAMAHA 电信电信集成电路
页数 文件大小 规格书
15页 176K
描述
Digital SLIC, 1-Func, PQFP100, SQFP-100

YTD439-S 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:100
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.92JESD-30 代码:S-PQFP-G100
长度:14 mm湿度敏感等级:1
功能数量:1端子数量:100
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:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):225认证状态:Not Qualified
座面最大高度:1.7 mm标称供电电压:3.3 V
表面贴装:YES电信集成电路类型:DIGITAL SLIC
温度等级:COMMERCIAL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:NOT SPECIFIED宽度:14 mm
Base Number Matches:1

YTD439-S 数据手册

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YTD439  
ISTU  
ISDN BRI controller for Terminal Equipment with built-in DSU  
Abstract  
YTD439 is a LSI that integrates in a single chip all the communication functions that are  
necessary for constructing an ISDN terminal with a built-in DSU. The functions of both the DSU  
(U reference point) and terminal (S/ T reference point) are packed into the 100-pin SQFP chip  
allowing miniaturization of the terminal equipment.  
YTD439 has a built-in TD switch function that is necessary for controlling the connection of the  
B-channel data. By connecting an external CPU, memory, and CODEC, a terminal with a built-in  
DSU can be configured. In addition, YTD439 has a function that reduces the power consumption  
by stopping the functions of unused blocks. This is effective for battery-driven terminals.  
Features  
DSU block  
• Conforms to TTC Standards JT-I430 and JT-G961.  
• LT (line termination) function and CT (circuit termination) function.  
• DSU can be disconnected.  
S/T reference point driver/receiver block  
• Transition to the sleep state possible by setting an I/ O register.  
CPU interface block  
• 8-bit or 16-bit data bus selectable.  
• I/ O access through registers.  
YTD439 CATALOG  
CATALOG No.:4TD439A2  
2001.1  

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