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SN74LS669J規(guī)格書詳情
SYNCHRONOUS 4-BIT UP/DOWN COUNTER
The SN54/74LS669 is a synchronous 4-bit up/down counter. The LS669 is a 4-bit binary counter. For high speed counting applications, this presettable counter features an internal carry lookahead for cascading purposes. By clocking all flip-flops simultaneously so the outputs change coincident with each other (when instructed to do so by the count enable inputs and internal gating) synchronous operation is provided. This helps to eliminate output counting spikes, normally associated with asynchronous (ripple-clock) counters. The four master-slave flip-flops are triggered on the rising (positive-going) edge of the clock waveform by a buffered clock input.
?Programmable Look-Ahead Up/Down Binary/Decade Counters
?Fully Synchronous Operation for Counting and Programming
?Internal Look-Ahead for Fast Counting
?Carry Output for n-Bit Cascading
?Fully Independent Clock Circuit
?Buffered Outputs
產(chǎn)品屬性
- 型號(hào)：
SN74LS669J
- 制造商：
Texas Instruments
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
TI(德州儀器) |
23+ |
PDIP16 |
7350 |
現(xiàn)貨供應(yīng),當(dāng)天可交貨!免費(fèi)送樣,原廠技術(shù)支持!!! |
詢價(jià) | ||
TI/德州儀器 |
23+ |
NA/ |
5185 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價(jià) | ||
TI |
2020+ |
DIP |
80000 |
只做自己庫存,全新原裝進(jìn)口正品假一賠百,可開13%增 |
詢價(jià) | ||
TI(德州儀器) |
23+ |
PDIP16 |
6000 |
誠信服務(wù)，絕對原裝原盤 |
詢價(jià) | ||
TI |
2016+ |
DIP16 |
6528 |
只做進(jìn)口原裝現(xiàn)貨!假一賠十! |
詢價(jià) | ||
TI/德州儀器 |
DIP16 |
90000 |
集團(tuán)化配單-有更多數(shù)量-免費(fèi)送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價(jià) | |||
8515 |
50 |
公司優(yōu)勢庫存 熱賣中! |
詢價(jià) | ||||
TI |
24+ |
DIP |
5185 |
新 |
詢價(jià) | ||
TI |
23+ |
SOP-16 |
5000 |
原裝正品,假一罰十 |
詢價(jià) | ||
最新 |
2000 |
原裝正品現(xiàn)貨 |
詢價(jià) |
