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74HCT564 Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HCT564 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 7 page December 1990 6 Philips Semiconductors Product specification Octal D-type flip-flop; positive-edge trigger; 3-state; inverting 74HC/HCT564 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 ( ∆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 OE D0 to D7 CP 0.80 0.25 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 CP to Qn 19 35 44 53 ns 4.5 Fig.6 tPZH/ tPZL 3-state output enable time OE to Qn 19 35 44 53 ns 4.5 Fig.8 tPHZ/ tPLZ 3-state output disable time OE to Qn 19 30 38 45 ns 4.5 Fig.8 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.6 tW clock pulse width HIGH or LOW 18 8 23 27 ns 4.5 Fig.6 tsu set-up time Dn to CP 12 3 15 18 ns 4.5 Fig.7 th hold time Dn to CP 3 −2 3 3 ns 4.5 Fig.7 fmax maximum clock pulse frequency 27 56 22 18 MHz 4.5 Fig.6 |
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