位置:HD74LS221P > HD74LS221P詳情
HD74LS221P中文資料
HD74LS221P數(shù)據(jù)手冊規(guī)格書PDF詳情
This multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger input circuitry (TTL hysteresis) for B input allows jitter-free triggering from inputs with transition rates as slow as 1 V/s, providing the circuit with excellent noise immunity of typically 1.2 V. A high immunity to VCC noise of typically 1.5 V is also provided by internal latching circuitry. Once fired, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components, or the output pulses can be terminated by the overriding clear. Input pulses may be of any duration relative to the output pulse. Output rise and fall times are TTL compatible and independent of pulse length.
Typical triggering and clearing sequence are illustrated as a part of the switching characteristics waveforms. Pulse width stability is achieved through internal compensation and is virtually independent of VCC and temperature.
HD74LS221P產(chǎn)品屬性
- 類型
描述
- 型號
HD74LS221P
- 制造商
Panasonic Industrial Company
- 功能描述
I.C.
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
RENESAS |
DIP |
5 |
原裝現(xiàn)貨 |
||||
RENESAS |
2014+ |
300 |
公司現(xiàn)貨庫存 |
||||
RENESAS |
23+ |
DIP16 |
59128 |
##公司主營品牌長期供應(yīng)100%原裝現(xiàn)貨可含稅提供技術(shù) |
|||
RENESAS |
24+ |
DIP16 |
5000 |
全新原裝正品,現(xiàn)貨銷售 |
|||
RENESAS |
22+23+ |
DIP16 |
8000 |
新到現(xiàn)貨,只做原裝進口 |
|||
RENESAS |
20+ |
DIP16 |
7909 |
進口原裝現(xiàn)貨,假一賠十 |
|||
RENESAS |
23+ |
DIP16 |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價熱賣! |
|||
RENESAS |
24+ |
DIP16 |
5000 |
只有原裝 |
|||
RENESAS |
18+ |
DIP-16 |
85600 |
保證進口原裝可開17%增值稅發(fā)票 |
|||
RENESAS |
25+ |
DIP16 |
8800 |
公司只做原裝,詳情請咨詢 |
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瑞薩科技公司(Renesas Technology Corp.)是一家全球領(lǐng)先的半導(dǎo)體解決方案供應(yīng)商,總部位于日本東京。公司成立于2002年,由原日立半導(dǎo)體和三菱電機半導(dǎo)體合并而成,專注于提供高性能和高效能的微控制器、模擬和混合信號IC、功率半導(dǎo)體以及系統(tǒng)集成解決方案,廣泛應(yīng)用于汽車、工業(yè)控制、信息通信、消費電子等多個領(lǐng)域。瑞薩科技的產(chǎn)品組合涵蓋微控制器(MCUs)、模擬和混合信號IC、功率半導(dǎo)體以及汽車解決方案等。公司在汽車電子領(lǐng)域具有強大的技術(shù)實力,提供車載MCU、傳感器和網(wǎng)絡(luò)解決方案,支持智能汽車的發(fā)展。瑞薩在全球設(shè)有多個研發(fā)中心和分支機構(gòu),產(chǎn)品及解決方案銷售至歐美、亞洲等地區(qū),致力于為