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74HC573 Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HC573 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 7 page ![]() December 1990 6 Philips Semiconductors Product specification Octal D-type transparent latch; 3-state 74HC/HCT573 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 Dn LE OE 0.35 0.65 1.25 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 Dn to Qn 20 35 44 53 ns 4.5 Fig.6 tPHL/ tPLH propagation delay LE to Qn 18 35 44 53 ns 4.5 Fig.7 tPZH/ tPZL 3-state output enable time OE to Qn 17 30 38 45 ns 4.5 Fig.8 tPHZ/ tPLZ 3-state output disable time OE to Qn 18 30 38 45 ns 4.5 Fig.8 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.6 tW enable pulse width HIGH 16 5 20 24 ns 4.5 Fig.7 tsu set-up time Dn to LE 13 7 16 20 ns 4.5 Fig.9 th hold time Dn to LE 9 4 11 14 ns 4.5 Fig.9 |
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