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74HCT4060PW Scheda tecnica(PDF) 10 Page - NXP Semiconductors |
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74HCT4060PW Scheda tecnica(HTML) 10 Page - NXP Semiconductors |
10 / 12 page December 1990 10 Philips Semiconductors Product specification 14-stage binary ripple counter with oscillator 74HC/HCT4060 Notes 1. The value of additional quiescent supply current ( ∆ICC) for a unit load of 1 is given here. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below. 2. Only input MR (pin 12) has TTL input switching levels for the HCT versions. AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL = 50 pF INPUT UNIT LOAD COEFFICIENT MR 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 RS to Q3 33 66 83 99 ns 4.5 Fig.12 tPHL/ tPLH propagation delay Qn to Qn+1 8 16 20 24 ns 4.5 Fig.14 tPHL propagation delay MR to Qn 21 44 55 66 ns 4.5 Fig.13 tTHL/ tTLH output transition time 7 15 19 22 ns 4.5 Fig.12 tW clock pulse width RS; HIGH or LOW 16 6 20 24 ns 4.5 Fig.12 tW master reset pulse width MR; HIGH 16 6 20 24 ns 4.5 Fig.13 trem removal time MR to RS 26 13 33 39 ns 4.5 Fig.13 fmax maximum clock pulse frequency 30 80 24 20 MHz 4.5 Fig.12 |
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