поискавой системы для электроныых деталей |
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74HCT40103DB датащи(PDF) 8 Page - Integrated Circuit Systems |
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74HCT40103DB датащи(HTML) 8 Page - Integrated Circuit Systems |
8 / 17 page 1998 Jul 08 8 Philips Semiconductors Product specification 8-bit synchronous binary down counter 74HC/HCT40103 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 ( ∆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 CP, PE 1.50 MR 1.00 TE 0.80 PL 0.35 Pn 0.25 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 CP to TC 35 60 75 90 ns 4.5 Fig.7 tPHL/ tPLH propagation delay TE to TC 23 40 50 60 ns 4.5 Fig.8 tPHL/ tPLH propagation delay PL to TC 44 75 94 112 ns 4.5 Fig.9 tPHL propagation delay MR to TC 29 55 69 83 ns 4.5 Fig.9 tTHL/ tTLH output transition time 7 15 19 22 ns 4.5 Figs. 7 and 8 tW clock pulse width HIGH or LOW 33 10 41 50 ns 4.5 Fig.7 tW master reset pulse width LOW 30 16 38 45 ns 4.5 Fig.9 tW preset enable pulse width PL; LOW 38 22 48 57 ns 4.5 Fig.9 trem removal time MR to CP or PL to CP 10 1 13 15 ns 4.5 Fig.10 tsu set-up time PE to CP 20 11 25 30 ns 4.5 Fig.11 tsu set-up time TE to CP 40 20 50 60 ns 4.5 Fig.11 |
Аналогичный номер детали - 74HCT40103DB |
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Аналогичное описание - 74HCT40103DB |
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