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參數(shù)資料
| 型號(hào)： | MM74HC191J |
| 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 BINARY COUNTER, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁(yè)數(shù)： | 7/8頁(yè) |
| 文件大?。?/td> | 202K |
| 代理商： | MM74HC191J |
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 |
|---|---|
| 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 |
| MM54HC253 | Dual 4-Channel TRI-STATE Multiplexer |
| MM54HC253J | Dual 4-Channel TRI-STATE Multiplexer |
| MM74HC253 | Dual 4-Channel TRI-STATE Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HC191N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MM74HC191WMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| MM74HC192 | 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 |
| MM74HC193 | 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 |
| MM74HC193J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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