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74HC138D-Q100 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74HC138D-Q100 Datasheet(HTML) 8 Page - NXP Semiconductors |
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8 / 18 page 
74HC_HCT138_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 1 — 16 July 2012 8 of 18 NXP Semiconductors 74HC138-Q100; 74HCT138-Q100 3-to-8 line decoder/demultiplexer; inverting 10. Dynamic characteristics Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 8. Symbol Parameter Conditions Tamb = 25 C Tamb = 40 C to +85 C Tamb = 40 C to +125 C Unit Min Typ Max Min Max Min Max For type 74HC138-Q100 tpd propagation delay An to Yn; see Figure 6 [1] VCC = 2.0 V - 41 150 - 190 - 225 ns VCC = 4.5 V - 15 30 - 38 - 45 ns VCC =5V; CL =15pF - 12 - - - - - ns VCC = 6.0 V - 12 26 - 33 - 38 ns E3 to Yn; see Figure 6 [1] VCC = 2.0 V - 47 150 - 190 - 225 ns VCC = 4.5 V - 17 20 - 38 - 45 ns VCC =5V; CL =15pF - 14 - - - - - ns VCC = 6.0 V - 14 26 - 33 - 38 ns Ento Yn; see Figure 7 [1] VCC = 2.0 V - 47 150 - 190 - 225 ns VCC = 4.5 V - 17 20 - 38 - 45 ns VCC =5V; CL =15pF - 14 - - - - - ns VCC = 6.0 V - 14 26 - 33 - 38 ns tt transition time Yn; see Figure 6 and Figure 7 [2] VCC = 2.0 V - 19 75 - 95 - 110 ns VCC = 4.5 V - 7 15 - 19 - 22 ns VCC = 6.0 V - 6 13 - 16 - 19 ns CPD power dissipation capacitance CL = 50 pF; f = 1 MHz; VI =GND to VCC [3] -67 - - - - - pF |
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