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DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed
flip-flop acting as a divide-by-two and three flip-flops connected as a divideby-
five counter. It can be connected to operate with a conventional BCD output
pattern or it can be connected to provide a 50 duty cycle output. In the
BCD mode, HIGH signals on the Master Set (MS) inputs set the outputs to
BCD nine. HIGH signals on the Master Reset (MR) inputs force all outputs
LOW. For a similar counter with corner power pins, see the ’LS290; for dual
versions, see the ’LS390 and ’LS490.
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---|---|---|---|---|---|---|---|
MOT |
8851+;9417+ |
CDIP |
25 |
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PHI |
88+ |
CDIP14 |
141 |
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詢價(jià) | ||
TI |
18+ |
N/A |
6000 |
主營(yíng)軍工偏門料,國(guó)內(nèi)外都有渠道 |
詢價(jià) | ||
MOT |
1985 |
1475 |
原裝正品現(xiàn)貨庫(kù)存價(jià)優(yōu) |
詢價(jià) | |||
TI |
24+ |
DIP |
5642 |
公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫(kù)存! |
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TI |
23+ |
NA |
372 |
專做原裝正品,假一罰百! |
詢價(jià) | ||
MOTOROLA/摩托羅拉 |
24+ |
CDIP |
196 |
現(xiàn)貨供應(yīng) |
詢價(jià) | ||
TI |
24+ |
CDIP |
16800 |
絕對(duì)原裝進(jìn)口現(xiàn)貨,假一賠十,價(jià)格優(yōu)勢(shì)! |
詢價(jià) | ||
ML |
24+ |
CDIP |
66800 |
原廠授權(quán)一級(jí)代理,專注汽車、醫(yī)療、工業(yè)、新能源! |
詢價(jià) | ||
PHI |
25+ |
CDIP14 |
9988 |
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詢價(jià) |