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74LV138D Fiches technique(PDF) 6 Page - NXP Semiconductors |
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74LV138D Fiches technique(HTML) 6 Page - NXP Semiconductors |
6 / 12 page Philips Semiconductors Product specification 74LV138 3-to-8 line decoder/demultiplexer; inverting 1998 Apr 28 6 AC CHARACTERISTICS GND = 0V; tr = tf = 2.5ns; CL = 50pF; RL = 500Ω CONDITION LIMITS SYMBOL PARAMETER WAVEFORM CONDITION –40 to +85 °C –40 to +125 °C UNIT VCC(V) MIN TYP1 MAX MIN MAX 1.2 75 2.0 26 44 55 tPHL/tPLH Propagation delay An to Yn Figures 1, 3 2.7 19 31 39 ns An to Yn 3.0 to 3.6 152 26 32 4.5 to 5.5 –3 17 22 1.2 75 2.0 26 43 53 tPHL/tPLH Propagation delay E3 to Yn Figures 1, 3 2.7 19 30 38 ns E3 to Yn 3.0 to 3.6 152 25 31 4.5 to 5.5 19 24 1.2 75 2.0 26 43 53 tPHL/tPLH Propagation delay En to Yn Figures 2, 3 2.7 19 30 38 ns En to Yn 3.0 to 3.6 152 25 31 4.5 to 5.5 19 24 NOTES: 1. Unless otherwise stated, all typical values are measured at Tamb = 25°C 2. Typical values are measured at VCC = 3.3 V. 3. Typical values are measured at VCC = 5.0 V. AC WAVEFORMS VM = 1.5 V at VCC ≥ 2.7 V and ≤ 3.6 V; VM = 0.5 V × VCC at VCC < 2.7 V and ≥ 4.5 V; VOL and VOH are the typical output voltage drop that occur with the output load. SV00528 VM An, E3 INPUT VCC GND VOL VOH Yn OUTPUT VM tPLH tPHL Figure 1. Input (An) and enable input (E3) to output (Yn) propagation delays. SV00529 VM E1, E2 INPUT Yn OUTPUT VM tPLH tPHL VCC GND VOL VOH Figure 2. Enable input (En) to output (Yn) propagation delays. |
Numéro de pièce similaire - 74LV138D |
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Description similaire - 74LV138D |
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