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74HC_HCT221_CNV Scheda tecnica(PDF) 6 Page - NXP Semiconductors |
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74HC_HCT221_CNV Scheda tecnica(HTML) 6 Page - NXP Semiconductors |
6 / 15 page December 1990 6 Philips Semiconductors Product specification Dual non-retriggerable monostable multivibrator with reset 74HC/HCT221 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard (except for nREXT/CEXT) ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL = 50 pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min typ max. min max. min. max. tPLH propagation delay (trigger) nA, nB to nQ 72 26 21 220 44 37 275 55 47 330 66 56 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5 kΩ; Fig.10 tPLH propagation delay (trigger) nRD to nQ 80 29 23 245 49 42 305 61 52 370 74 63 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5 kΩ; Fig.10 tPHL propagation delay (trigger) nA, nB to nQ 58 21 17 180 36 31 225 45 38 270 54 46 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5 kΩ; Fig.10 tPHL propagation delay (trigger) nRD to nQ 63 23 18 195 39 33 245 49 42 295 59 50 ns 2.0 4.5 6,0 CEXT = 0 pF; REXT =5 kΩ; Fig.10 tPLH propagation delay (reset) nRD to nQ 66 24 19 200 40 34 250 50 43 300 60 51 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5 kΩ; Fig.11 tPLH propagation delay (reset) nRD to nQ 58 21 17 180 36 31 225 45 38 270 54 46 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5 kΩ; Fig.11 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.10 tW trigger pulse width nA = LOW 75 15 13 25 9 7 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.7 tW trigger pulse width nB = HIGH 90 18 15 30 11 9 115 23 20 135 27 23 ns 2.0 4.5 6.0 Fig.7 tW trigger pulse width nRD = LOW 75 15 13 25 9 7 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.8 tW output pulse width nQ = LOW nQ = HIGH 630 700 770 602 798 595 805 µs 5.0 CEXT = 100 nF; REXT = 10 kΩ; Fig.10 |
Codice articolo simile - 74HC_HCT221_CNV_15 |
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Descrizione simile - 74HC_HCT221_CNV_15 |
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