MC14549B

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Successive Approximation Register

制造商：ON

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产品信息

The MC14549B and MC14559B successive approximation registers are 8 bit registers providing all the digital control and storage necessary for successive approximation analog to digital conversion systems. These parts differ in only one control input. The Master Reset (MR) on the MC14549B is required in the cascaded mode when more than 8 bits are desired. The Feed Forward (FF) of the MC14559B is used for register shortening where End of Conversion (EOC) is required after less than eight cycles.
Applications for the MC14549B and MC14559B include analog-to-digital conversion, with serial and parallel outputs.

Totally Synchronous Operation
All Outputs Buffered
Single Supply Operation
Serial Output
Retriggerable
Compatible with a Variety of Digital and Analog Systems such as the MC1408 8-Bit D/A Converter
All Control Inputs Positive-Edge Triggered
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Capable of Driving 2 Low-Power TTL Loads, 1 Low-Power Schottky TTL Load or 2 HTL Loads Over the Rated Temperature Range
Chip Complexity: 488 FETs or 122 Equivalent Gates
Pb-Free Packages are Available

电路图、引脚图和封装图

MC14549B电路图

在线购买

型号	制造商	描述	购买
NLV14549BDWR2G	ON	MC14549B 和 MC14559B 为 8 位寄存器，提供逐次求近模拟-数字转换系统所需的所有数字控制和存储。这些零件差别在于仅一个控制输入。MC14549B 上的主重置 (MR) 均在需要 8 位以上时的级联模式下是必需的。MC14559B 的前馈 (FF) 用于寄存器缩短，此时在不到八个周期之后需要转换结束 (EOC)。MC14549B 和 MC14559B 的应用包括模拟-数字转换，带串行和并行输出。	立即购买
MC14549BDWR2G	ON		立即购买

技术资料

标题	类型	大小（KB）	下载
Successive Aproximation Registers	PDF	111	点击下载
SO-16 WB	PDF	55	点击下载
MC14549B_PKG.GIF	UNKNOW	12	点击下载

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