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74AHCT377D Datenblatt(PDF) 8 Page - NXP Semiconductors |
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74AHCT377D Datenblatt(HTML) 8 Page - NXP Semiconductors |
8 / 16 page 74AHC_AHCT377_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 12 June 2008 8 of 16 NXP Semiconductors 74AHC377; 74AHCT377 Octal D-type flip-flop with data enable; positive-edge trigger 10. Dynamic characteristics Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Min Max 74AHC377 tpd propagation delay CP to Qn; see Figure 6 [2] VCC = 3.0 V to 3.6 V CL = 15 pF - 5.6 12.8 1.0 15.0 1.0 16.0 ns CL = 50 pF - 8.0 16.0 1.0 18.0 1.0 20.0 ns VCC = 4.5 V to 5.5 V CL = 15 pF - 3.9 9.0 1.0 10.5 1.0 11.5 ns CL = 50 pF - 5.6 10.5 1.0 12.0 1.0 13.5 ns fmax maximum frequency see Figure 6 VCC = 3.0 V to 3.6 V CL = 15 pF 80 125 - 70 - 70 - MHz CL = 50 pF 50 75 - 45 - 45 - MHz VCC = 4.5 V to 5.5 V CL = 15 pF 125 175 - 110 - 110 - MHz CL = 50 pF 85 120 - 75 - 75 - MHz tW pulse width CP HIGH or LOW; see Figure 6 VCC = 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns VCC = 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns tsu set-up time Dn, E to CP; see Figure 7 VCC = 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns VCC = 4.5 V to 5.5 V 4.5 - - 4.5 - 4.5 - ns th hold time Dn, E to CP; see Figure 7 VCC = 3.0 V to 3.6 V 1.5 - - 1.5 - 1.5 - ns VCC = 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - ns CPD power dissipation capacitance fi = 1 MHz; VI = GND to VCC [3] -20 - - - - - pF |
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