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74HCT4059 Datasheet(PDF) 10 Page - NXP Semiconductors |
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74HCT4059 Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 20 page 1998 Jul 08 10 Philips Semiconductors Product specification Programmable divide-by-n counter 74HC/HCT4059 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 Note 1. From master preset mode to any other mode. INPUT UNIT LOAD COEFFICIENT CP 0.65 LE 0.65 Jn 0.50 Ka 1.00 Kb 1.50 Kc 0.85 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 Q 24 46 58 69 ns 4.5 Fig.7 tPHL/ tPLH propagation delay LE to Q 24 46 58 69 ns 4.5 Fig.8 tTHL/ tTLH output transition time 7 15 19 22 ns 4.5 Fig.7 tW clock pulse width CP 20 7 25 30 ns 4.5 Fig.7 trem removal time Kb, Kc to CP 15 7 9 22 ns 4.5 Fig.9; note 1 fmax maximum clock pulse frequency 21 36 17 14 MHz 4.5 Fig.7 |
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