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74HCT1G66 Arkusz danych(PDF) 10 Page - NXP Semiconductors |
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74HCT1G66 Arkusz danych(HTML) 10 Page - NXP Semiconductors |
10 / 18 page 74HC_HCT1G66_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 19 December 2008 10 of 18 NXP Semiconductors 74HC1G66; 74HCT1G66 Single-pole single-throw analog switch [1] There is no constraint on tr, tf with a 50% duty factor when measuring fmax. 11.2 Additional dynamic characteristics Test data is given in Table 11. Definitions for test circuit: RT = Termination resistance should be equal to output impedance Zo of the pulse generator. CL = Load capacitance including jig and probe capacitance. RL = Load resistance. S1 = Test selection switch. Fig 10. Test circuit for measuring switching times VM VM tW tW 10 % 90 % 0 V VI VI negative pulse positive pulse 0 V VM VM 90 % 10 % tf tr tr tf 001aad983 DUT VCC VCC VI VO RT RL S1 CL open G Table 11. Test data Type Input Load S1 position VI tr, tf[1] CL RL tPHL, tPLH tPZH, tPHZ tPZL, tPLZ 74HC1G66 GND to VCC 6 ns 50 pF, 15 pF 1 k Ω, ∞Ω open GND VCC 74HCT1G66 GND to 3 V 6 ns 50 pF, 15 pF 1 k Ω, ∞Ω open GND VCC Table 12. Additional dynamic characteristics for 74HC1G66 and 74HCT1G66 GND = 0 V; tr = tf = 6.0 ns; CL = 50 pF; unless otherwise specified. All typical values are measured at Tamb =25 °C. Symbol Parameter Conditions Min Typ Max Unit THD total harmonic distortion fi = 1 kHz; RL = 10 kΩ; see Figure 11 % VCC = 4.5 V; VI = 4.0 V (p-p) - 0.04 - % VCC = 9.0 V; VI = 8.0 V (p-p) - 0.02 - % fi = 10 kHz; RL = 10 kΩ; see Figure 11 VCC = 4.5 V; VI = 4.0 V (p-p) - 0.12 - % VCC = 9.0 V; VI = 8.0 V (p-p) - 0.06 - % |
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