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74HCT4040D Datasheet(PDF) 11 Page - NXP Semiconductors |
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74HCT4040D Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 24 page 74HC_HCT4040_3 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 14 September 2005 11 of 24 Philips Semiconductors 74HC4040; 74HCT4040 12-stage binary ripple counter 12. Dynamic characteristics Table 9: Dynamic characteristics for type 74HC4040 GND = 0 V; tr = tf = 6 ns. For test circuit see Figure 9. Symbol Parameter Conditions Min Typ Max Unit Tamb = 25 °C tPHL, tPLH propagation delay CP to Q0 see Figure 8 VCC = 2.0 V; CL = 50 pF - 47 150 ns VCC = 4.5 V; CL = 50 pF - 17 30 ns VCC = 5.0 V; CL =15pF - 14 - ns VCC = 6.0 V; CL = 50 pF - 14 26 ns propagation delay Qn to Qn+1 see Figure 8 VCC = 2.0 V; CL = 50 pF - 28 100 ns VCC = 4.5 V; CL = 50 pF - 10 20 ns VCC = 5.0 V; CL =15pF - 8 - ns VCC = 6.0 V; CL =50pF - 8 17 ns tPHL propagation delay MR to Qn see Figure 8 VCC =2.0 V; CL = 50 pF - 61 185 ns VCC = 4.5 V; CL = 50 pF - 22 37 ns VCC = 6.0 V; CL = 50 pF - 18 31 ns tTHL, tTLH output transition time see Figure 8 VCC = 2.0 V; CL = 50 pF - 19 75 ns VCC = 4.5 V; CL =50pF - 7 15 ns VCC = 6.0 V; CL =50pF - 6 13 ns tW clock pulse width HIGH or LOW see Figure 8 VCC = 2.0 V; CL =50pF 80 14 - ns VCC = 4.5 V; CL =50pF 16 5 - ns VCC = 6.0 V; CL =50pF 14 4 - ns master reset pulse width; HIGH see Figure 8 VCC = 2.0 V; CL =50pF 80 22 - ns VCC = 4.5 V; CL =50pF 16 8 - ns VCC = 6.0 V; CL =50pF 14 6 - ns trec recovery time MR to CP see Figure 8 VCC = 2.0 V; CL =50pF 50 8 - ns VCC = 4.5 V; CL =50pF 10 3 - ns VCC = 6.0 V; CL =50pF 9 2 - ns fmax maximum operating frequency see Figure 8 VCC = 2.0 V; CL = 50 pF 6.0 27 - MHz VCC = 4.5 V; CL =50pF 30 82 - MHz VCC = 5.0 V; CL = 15 pF - 90 - MHz VCC = 6.0 V; CL =50pF 35 98 - MHz CPD power dissipation capacitance - 20 - pF |
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