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74HCT242 Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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74HCT242 Arkusz danych(HTML) 6 Page - NXP Semiconductors |
6 / 7 page December 1990 6 Philips Semiconductors Product specification Quad bus transceiver; 3-state; inverting 74HC/HCT242 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI Note to HCT types The value of additional quiescent supply current ( ∆I CC) 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 Bn OEA OEB 1.10 1.10 1.00 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 Bn; Bn to An 12 20 25 30 ns 4.5 Fig.5 tPZH/ tPZL 3-state output enable time OEA to An or Bn; OEB to An or Bn 16 34 43 51 ns 4.5 Figs 6 and 7 tPHZ/ tPLZ 3-state output disable time OEA to An or Bn; OEB to An or Bn 22 35 44 53 ns 4.5 Figs 6 and 7 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.5 |
Podobny numer części - 74HCT242 |
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Podobny opis - 74HCT242 |
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