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74HC1G14 データシート(PDF) 5 Page - NXP Semiconductors |
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74HC1G14 データシート(HTML) 5 Page - NXP Semiconductors |
5 / 14 page 74HC_HCT1G14_4 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 04 — 17 July 2007 5 of 14 NXP Semiconductors 74HC1G14; 74HCT1G14 Inverting Schmitt trigger 12. Dynamic characteristics [1] tpd is the same as tPLH and tPHL. [2] CPD is used to determine the dynamic power dissipation PD (µW). PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz CL = output load capacitance in pF; VCC = supply voltage in Volts ∑ (CL × VCC2 × fo) = sum of outputs ICC supply current VI =VCC or GND; IO =0A; VCC = 5.5 V - - 10 - 20 µA ∆ICC additional supply current per input; VCC = 4.5 V to 5.5 V; VI = VCC − 2.1 V; IO =0A - - 500 - 850 µA CI input capacitance - 1.5 - - - pF VT+ positive-going threshold voltage see Figure 7 and 8 VCC = 4.5 V 1.2 1.55 1.9 1.2 1.9 V VCC = 5.5 V 1.4 1.80 2.1 1.4 2.1 V VT− negative-going threshold voltage see Figure 7 and 8 VCC = 4.5 V 0.5 0.76 1.2 0.5 1.2 V VCC = 5.5 V 0.6 0.90 1.4 0.6 1.4 V VH hysteresis voltage see Figure 7 and 8 VCC = 4.5 V 0.4 0.80 - 0.4 - V VCC = 5.5 V 0.4 0.90 - 0.4 - V Table 7. Static characteristics …continued Voltages are referenced to GND (ground = 0 V). All typical values are measured at Tamb =25 °C. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Table 8. Dynamic characteristics GND = 0 V; tr = tf ≤ 6.0 ns; All typical values are measured at Tamb =25 °C. For test circuit see Figure 6 Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max For type 74HC1G14 tpd propagation delay A to Y; see Figure 5 [1] VCC = 2.0 V; CL = 50 pF - 25 155 - 190 ns VCC = 4.5 V; CL = 50 pF - 12 31 - 38 ns VCC = 5.0 V; CL =15pF - 10 - - - ns VCC = 6.0 V; CL = 50 pF - 11 26 - 32 ns CPD power dissipation capacitance VI = GND to VCC [2] -20- - - pF For type 74HCT1G14 tpd propagation delay A to Y; see Figure 5 [1] VCC = 4.5 V; CL = 50 pF - 17 43 - 51 ns VCC = 5.0 V; CL =15pF - 15 - - - ns CPD power dissipation capacitance VI = GND to VCC − 1.5 V [2] -22- - - pF |
同様の部品番号 - 74HC1G14 |
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同様の説明 - 74HC1G14 |
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