HD44808A04-the Microcomputer Intergrated Circuit of Communication Single Door

Published:2011/5/11 22:17:00 Author:Borg | Keyword: Microcomputer, Intergrated Circuit, Single Door | From:SeekIC

HD44808a04 is a microcomputer intergrated circuit of communication single doors, which is widely used in all kinds of phones. 1.function features HD44808A04 contains sub-circuits of pulse/two-tone coupling with dialing, key switch signal encoding, signal encoding of phone electrical lock, clock frequency and other application circuits. 2. pin functions and data HD4480A04 is encapsulated in dual in-line package with 42-lead, whose pin functions and data are listed in Table-1.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Signal_Processing/HD44808A04_the_Microcomputer_Intergrated_Circuit_of_Communication_Single_Door.html

Print this Page | Comments | Reading(3)