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參數資料
| 型號： | MM54HC190 |
| 廠商： | National Semiconductor Corporation |
| 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： | MM54HC190/MM74HC190同步十年向上/向下計數器的模式控制MM54HC191/MM74HC191同步二進制加/減計數器的模式控制 |
| 文件頁數： | 7/8頁 |
| 文件大小： | 202K |
| 代理商： | MM54HC190 |
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PDF資料 |
PDF描述 |
|---|---|
| MM54HC190J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191 | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190 | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MM54HC190J | 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 |
| MM54HC191 | 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 |
| MM54HC191J | 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 |
| MM54HC192 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
| MM54HC193 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
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