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74AC11238N Fiches technique(PDF) 5 Page - Texas Instruments |
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74AC11238N Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 9 page 54AC11238, 74AC11238 3LINE TO 8LINE DECODERS/DEMULTIPLEXERS SCAS039A − APRIL 1988 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−5 switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54AC11238 74AC11238 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A, B, C Any Y 1.5 8.5 10.6 1.5 12.7 1.5 11.7 ns tPHL A, B, C Any Y 1.5 9.6 11.9 1.5 14.3 1.5 13.3 ns tPLH G1 Any Y 1.5 8.2 10.3 1.5 12.3 1.5 11.4 ns tPHL G1 Any Y 1.5 9.6 11.7 1.5 14 1.5 13 ns tPLH G2A, G2B Any Y 1.5 9.1 11.2 1.5 13.4 1.5 12.5 ns tPHL G2A, G2B Any Y 1.5 10.7 12.9 1.5 15.6 1.5 14.5 ns switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54AC11238 74AC11238 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A, B, C Any Y 1.5 5.4 7.3 1.5 9 1.5 8.5 ns tPHL A, B, C Any Y 1.5 6.3 8.6 1.5 10.9 1.5 10.2 ns tPLH G1 Any Y 1.5 5.2 6.9 1.5 8.7 1.5 8.1 ns tPHL G1 Any Y 1.5 6.5 8.5 1.5 10.6 1.5 9.9 ns tPLH G2A, G2B Any Y 1.5 5.6 7.5 1.5 9.6 1.5 8.9 ns tPHL G2A, G2B Any Y 1.5 7.2 9.3 2.5 11.8 1.5 11 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance CL = 50 pF, f = 1 MHz 44 pF PARAMETER MEASUREMENT INFORMATION VOLTAGE WAVEFORMS LOAD CIRCUIT Input (see Note B) 50% 50% 50% VCC 50% VCC tPHL tPLH VCC Output VOL VOH 0 V From Output Under Test CL = 50 pF (see Note A) 500 Ω NOTES: A. CL includes probe and jig capacitance. B. Input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. C. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
Numéro de pièce similaire - 74AC11238N |
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Description similaire - 74AC11238N |
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