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74AHC123 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74AHC123 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 24 page 2000 Mar 15 8 Philips Semiconductors Product specification Dual retriggerable monostable multivibrator with reset 74AHC123A; 74AHCT123A handbook, halfpage VCC REXT to nCEXT (pin 14 or 6) to nREXT/CEXT (pin 15 or 7) CEXT MNA519 Fig.6 Timing component connections. RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS 74AHC 74AHCT UNIT MIN. TYP. MAX. MIN. TYP. MAX. VCC DC supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V VI input voltage 0 − 5.5 0 − 5.5 V VO output voltage 0 − VCC 0 − VCC V Tamb operating ambient temperature see DC and AC characteristics per device −40 +25 +85 −40 +25 +85 °C −40 +25 +125 −40 +25 +125 °C tr, tf input rise and fall time ratios VCC = 3.3 ±0.3 V −− 100 −−− ns/V VCC =5 ±0.5 V −− 20 −− 20 ns/V REXT external timing resistor VCC =2V 5 −− 5 −− k Ω VCC >3V 1 −− 1 −− k Ω CEXT external timing capacitor no limits pF |
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