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74HCT138PW Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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74HCT138PW Arkusz danych(HTML) 6 Page - NXP Semiconductors |
6 / 7 page September 1993 6 Philips Semiconductors Product specification 3-to-8 line decoder/demultiplexer; inverting 74HC/HCT138 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI Note to HCT types The value of additional quiescent supply current ( ∆ICC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below. AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF INPUT UNIT LOAD COEFFICIENT An 1.50 En 1.25 E3 1.00 SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HCT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay An to Yn 20 35 44 53 ns 4.5 Fig.6 tPHL/ tPLH propagation delay E3 to Yn 18 40 50 60 ns 4.5 Fig.6 tPHL/ tPLH propagation delay En to Yn 19 40 50 60 ns 4.5 Fig.7 tTHL/ tTLH output transition time 7 15 19 22 ns 4.5 Figs 6 and 7 |
Podobny numer części - 74HCT138PW |
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Podobny opis - 74HCT138PW |
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