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參數(shù)資料
| 型號(hào)： | MM74HCT190 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| 中文描述： | 水平變化啟用或向下/向上，可無論在時(shí)鐘的水平 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 170K |
| 代理商： | MM74HCT190 |
Timing Diagrams
’HCT190 Synchronous Decade Counters
Typical Load, Count, and Inhibit Sequences
TL/F/5744–5
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
’HCT191 Synchronous Binary Counters
Typical Load, Count, and Inhibit Sequence
TL/F/5744–6
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
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MM74HCT191 | Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| MM54HCT193 | Lockwire |
| MM54HCT193J | SWITCH |
| MM74HCT193 | CLAMP |
| MM74HCT193J | CLAMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HCT191 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| MM74HCT193 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Binary Up/Down Counters |
| MM74HCT193J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Binary Up/Down Counters |
| MM74HCT193N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Binary Up/Down Counters |
| MM74HCT193WM | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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