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參數(shù)資料
| 型號： | 74HC192 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable synchronous BCD decade up/down counter |
| 中文描述： | 可預(yù)置同步BCD碼十年向上/向下計(jì)數(shù)器 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 90K |
| 代理商： | 74HC192 |
December 1990
6
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT192
Fig.5 Typical clear, load and count sequence.
(1) Clear overrides load, data and count inputs.
(2) When counting up the count down clock input
(CP
) must be HIGH, when counting down the
count up clock input (CP
U
) must be HIGH.
Sequence
Clear (reset outputs to zero);
load (preset) to BCD seven;
count up to eight, nine,
terminal count up, zero,
one and two;
count down to one, zero,
terminal count down, nine,
eight, and seven.
Fig.6 Logic diagram.
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| 74HCT193 | Presettable synchronous 4-bit binary up/down counter |
| 74HC193 | Presettable synchronous 4-bit binary up/down counter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC192D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC192D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74HC192N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC193 | 制造商:HAR 功能描述:74HC193 |
| 74HC193_13 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary up/down counter |
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