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74HCT123 Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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74HCT123 Arkusz danych(HTML) 6 Page - NXP Semiconductors |
6 / 17 page 1998 Jul 08 6 Philips Semiconductors Product specification Dual retriggerable monostable multivibrator with reset 74HC/HCT123 AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL =50pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS/ NOTES +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPLH propagation delay nRD, nA, nB to nQ 83 30 24 255 51 43 320 64 54 385 77 65 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5kΩ tPLH propagation delay nRD, nA, nB to nQ 83 30 24 255 51 43 320 64 54 385 77 65 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5kΩ tPHL propagation delay nRD to nQ (reset) 66 24 19 215 43 37 270 54 46 325 65 55 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5kΩ tPLH propagation delay nRD to nQ (reset) 66 24 19 215 43 37 270 54 46 325 65 55 ns 2.0 4.5 6.0 CEXT = 0 pF; REXT =5kΩ tTHL / tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 tW trigger pulse width nA = LOW 100 20 17 8 3 2 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.7 tW trigger pulse width nB = HIGH 100 20 17 17 6 5 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.7 tW reset pulse width nRD = LOW 100 20 17 14 5 4 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.8 tW output pulse width nQ = HIGH nQ = LOW 450 −− µs 5.0 CEXT = 100 nF; REXT =10kΩ; Figs 7 and 8 tW output pulse width nQ = HIGH nQ = LOW 75 −− ns 5.0 CEXT = 0 pF; REXT =5kΩ; note 1; Figs 7 and 8 trt retrigger time nA, nB 110 −− ns 5.0 CEXT = 0 pF; REXT =5kΩ; note 2; Fig.7 REXT external timing resistor 10 2 1000 1000 −− k Ω 2.0 5.0 Fig.9 CEXT external timing capacitor no limits pF 5.0 Fig.9; note 3 |
Podobny numer części - 74HCT123 |
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Podobny opis - 74HCT123 |
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