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74AHC123AD 数据表(PDF) 3 Page - NXP Semiconductors |
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74AHC123AD 数据表(HTML) 3 Page - NXP Semiconductors |
3 / 24 page 2000 Mar 15 3 Philips Semiconductors Product specification Dual retriggerable monostable multivibrator with reset 74AHC123A; 74AHCT123A QUICK REFERENCE DATA GND = 0 V; Tamb =25 °C; tr =tf ≤ 3.0 ns. Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW). PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) × CEXT × VCC2 × fo +D × 16 × VCC where: fi = input frequency in MHz; fo = output frequency in MHz; ∑ (CL × VCC2 × fo) = sum of outputs; D = duty factor in %; CL = output load capacitance in pF; CEXT = timing capacitance in pF; VCC = supply voltage in Volts. 2. The condition is VI = GND to VCC. SYMBOL PARAMETER CONDITIONS TYPICAL UNIT AHC AHCT tPHL/tPLH propagation delay CL = 15 pF; VCC =5V; REXT =5kΩ; CEXT =0pF nA, nB to nQ, nQ 5.1 5.0 ns nRD to nQ, nQ 5.6 5.2 ns CI input capacitance VI =VCC or GND 5 3 pF CO output capacitance 4 4 pF CPD power dissipation capacitance CL = 50 pF; f = 1 MHz; notes 1 and 2 57 58 pF |
类似零件编号 - 74AHC123AD |
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类似说明 - 74AHC123AD |
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