參數(shù)資料
型號: MM74HC190J
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
中文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, CDIP16
封裝: DIP-16
文件頁數(shù): 7/8頁
文件大?。?/td> 202K
代理商: MM74HC190J
Timing Diagrams
’HC190 Synchronous Decade Counters
Typical Load, Count, and Inhibit Sequences
TL/F/5322–4
Sequence:
(1) Load (preset) to BCD seven
(2) Count up to eight, nine, zero, one and two
(3) Inhibit
(4) Count down to one, zero, nine, eight, and seven
’HC191 Synchronous Binary Counters
Typical Load, Count, and Inhibit Sequence
TL/F/5322–5
Sequence:
(1) Load (preset) to binary thirteen
(2) Count up to fourteen, fifteen, zero, one, and two
(3) Inhibit
(4) Count down to one, zero, fifteen, fourteen, and thirteen
7
相關(guān)PDF資料
PDF描述
MM74HC190N MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
MM74HC191 MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
MM74HC191J MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
MM74HC191N MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
MM54HC245A Octal TRI-STATE Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM74HC190N 制造商:NSC 制造商全稱:National Semiconductor 功能描述:MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
MM74HC191 制造商:NSC 制造商全稱:National Semiconductor 功能描述:MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
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