资料介绍
74系列文档资料，对数字电路设计尤为重要，特别适合新手 MM54HC42 MM74HC42 BCD-to-Decimal Decoder
January 1988
MM54HC42 MM74HC42
BCD-to-Decimal Decoder
General Description
This decoder utilizes advanced silicon-gate CMOS technol- All inputs are protected from damage due to static dis-
ogy Data on the four input pins select one of the 10 outputs charge by diodes to VCC and ground
corresponding to the value of the BCD number on the in-
puts An output will go low when selected otherwise it re- Features
mains high If t
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