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74HCT4067D Datasheet(PDF) 16 Page - NXP Semiconductors |
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74HCT4067D Datasheet(HTML) 16 Page - NXP Semiconductors |
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16 / 30 page 
74HC_HCT4067 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 5 — 13 December 2011 16 of 30 NXP Semiconductors 74HC4067; 74HCT4067 16-channel analog multiplexer/demultiplexer [1] tpd is the same as tPHL and tPLH. [2] Due to higher Z terminal capacitance (16 switches versus 1) the delay figures to the Z terminal are higher than those to the Y terminal. [3] ton is the same as tPHZ and tPLZ. [4] toff is the same as tPZH and tPZL. [5] CPD is used to determine the dynamic power dissipation (PD in W). PD = CPD VCC2 fi + {(CL +Csw) VCC2 fo} where: fi = input frequency in MHz; fo = output frequency in MHz; {(C L +Csw) VCC 2 f o} = sum of outputs; CL = output load capacitance in pF; Csw = switch capacitance in pF; VCC = supply voltage in V. Table 10. Dynamic characteristics 74HCT4067 GND = 0 V; tr = tf = 6 ns; CL = 50 pF unless specified otherwise; for test circuit see Figure 14. Vis is the input voltage at a Yn or Z terminal, whichever is assigned as an input. Vos is the output voltage at a Yn or Z terminal, whichever is assigned as an output. Symbol Parameter Conditions 25 C 40 C to +125 C Unit Typ Max Max (85 C) Max (125 C) tpd propagation delay Yn to Z; see Figure 12 [1][2] VCC = 4.5 V 9 15 19 22 ns Z to Yn VCC = 4.5 V 6 12 15 18 ns toff turn-off time E to Yn; see Figure 13 [3] VCC = 4.5 V 26 55 69 83 ns VCC = 5.0 V; CL = 15 pF 26 - - - ns Sn to Yn VCC = 4.5 V 31 55 69 83 ns VCC = 5.0 V; CL = 15 pF 30 - - - ns E to Z VCC = 4.5 V 30 60 75 90 ns Sn to Z VCC = 4.5 V 35 60 75 90 ns ton turn-on time E to Yn; see Figure 13 [4] VCC = 4.5 V 32 60 75 90 ns VCC = 5.0 V; CL = 15 pF 32 - - - ns Sn to Yn VCC = 4.5 V 35 60 75 90 ns VCC = 5.0 V; CL = 15 pF 33 - - - ns E to Z VCC = 4.5 V 38 65 81 98 ns Sn to Z VCC = 4.5 V 38 65 81 98 ns CPD power dissipation capacitance per switch; VI = GND to (VCC 1.5 V) [5] 29 - - - pF |
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