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DM74ALS240A Scheda tecnica(PDF) 5 Page - Fairchild Semiconductor |
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DM74ALS240A Scheda tecnica(HTML) 5 Page - Fairchild Semiconductor |
5 / 9 page ©1986 Fairchild Semiconductor Corporation www.fairchildsemi.com DM74ALS240A, DM74ALS241A Rev. 1.3 5 Switching Characteristics DM74ALS240A Over recommended operating free air temperature range. Switching Characteristics DM74ALS241A Over recommended operating free air temperature range. Symbol Parameter Conditions From (Input) To (Output) Min. Max. Units tPLH Propagation Delay Time, LOW-to-HIGH Level Output VCC = 4.5V to 5.5V, CL = 50pF, R1 = 500Ω, R2 = 500Ω, TA = Min. to Max. AY 2 9 ns tPHL Propagation Delay Time, HIGH-to-LOW Level Output 29 ns tPZH Output Enable Time to HIGH Level Output G Y3 13 ns tPZL Output Enable Time to LOW Level Output 318 ns tPHZ Output Disable Time from HIGH Level Output G Y2 10 ns tPLZ Output Disable Time from LOW Level Output 312 ns Symbol Parameter Conditions From (Input) To (Output) Min. Max. Units tPLH Propagation Delay Time, LOW-to-HIGH Level Output VCC = 4.5V to 5.5V, CL = 50pF, R1 = 500Ω, R2 = 500Ω, TA = Min. to Max. AY 3 11 ns tPHL Propagation Delay Time, HIGH-to-LOW Level Output 310 ns tPZH Output Enable Time to HIGH Level Output 1G Y3 21 ns tPZL Output Enable Time to HIGH Level Output 321 ns tPHZ Output Disable Time to HIGH Level Output 1G Y2 10 ns tPLZ Output Disable Time to LOW Level Output 315 ns tPZH Output Enable Time to HIGH Level Output 2G Y 7 21 ns tPZL Output Enable Time to LOW Level Output 721 ns tPHZ Output Disable Time from HIGH Level Output 2G Y 2 10 ns tPLZ Output Disable Time from LOW Level Output 315 ns |
Codice articolo simile - DM74ALS240A_07 |
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Descrizione simile - DM74ALS240A_07 |
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