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74HCT93N Datenblatt(PDF) 6 Page - NXP Semiconductors |
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74HCT93N Datenblatt(HTML) 6 Page - NXP Semiconductors |
6 / 7 page December 1990 6 Philips Semiconductors Product specification 4-bit binary ripple counter 74HC/HCT93 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 ( ∆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 CP0, CP1 MRn 0.60 0.40 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 CP0 to Q0 18 34 43 51 ns 4.5 Fig.6 tPHL/ tPLH propagation delay CP1 to Q1 18 34 43 51 ns 4.5 Fig.6 tPHL/ tPLH propagation delay CP1 to Q2 24 46 58 69 ns 4.5 Fig.6 tPHL/ tPLH propagation delay CP1 to Q3 30 58 73 87 ns 4.5 Fig.6 tPHL propagation delay MRn to Qn 17 33 41 50 ns 4.5 Fig.7 tTHL/ tTLH output transition time 7 15 19 22 ns 4.5 Fig.6 trem removal time MRn to CP0, CP1 10 3 13 15 ns 4.5 Fig.7 tW pulse width CP0, CP1 16 7 20 24 ns 4.5 Fig.6 tW master reset pulse width MRn 16 5 20 24 ns 4.5 Fig.7 fmax maximum clock pulse frequency CP0, CP1 30 70 24 20 MHz 4.5 Fig.6 |
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