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74HC534 Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HC534 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 13 page 1998 Apr 10 6 Philips Semiconductors Product specification Octal D-type flip-flop; positive edge-trigger; 3-state; inverting 74HC/HCT534 DC CHARACTERISTICS FOR 74HC For the DC characteristics see chapter “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI. AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL =50pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay nCP to nQn 41 165 205 250 ns 2.0 Fig.6 15 33 41 50 4.5 12 28 35 43 6.0 tPZH/ tPZL 3-state output enable time OE to Qn 33 150 190 225 ns 2.0 Fig.7 12 30 38 45 4.5 10 26 33 38 6.0 tPHZ/ tPLZ 3-state output disable time OE to Qn 41 150 190 225 ns 2.0 Fig.7 15 30 38 45 4.5 12 26 33 38 6.0 tTHL/ tTLH output transition time 14 60 75 90 ns 2.0 Fig.6 5 12 15 18 4.5 4 10 13 15 6.0 tW clock pulse width HIGH or LOW 80 19 100 120 ns 2.0 Fig.6 16 7 20 24 4.5 14 6 17 20 6.0 tsu set-up time Dn to CP 60 6 75 90 ns 2.0 Fig.8 12 2 15 18 4.5 10 2 13 15 6.0 th hold time Dn to CP 5 −3 5 5 ns 2.0 Fig.8 5 −1 5 5 4.5 5 −1 5 5 6.0 fmax maximum clock pulse frequency 6.0 18 4.8 4.0 MHz 2.0 Fig.6 30 55 24 20 4.5 35 66 28 24 6.0 |
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