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74HCT157DTR2G Arkusz danych(PDF) 2 Page - ON Semiconductor |
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74HCT157DTR2G Arkusz danych(HTML) 2 Page - ON Semiconductor |
2 / 9 page 74HCT157 http://onsemi.com 2 2 5 11 14 3 6 10 13 4 7 9 12 1 15 A0 A1 A2 A3 B0 B1 B2 B3 Y0 Y1 Y2 Y3 SELECT OUTPUT ENABLE DATA OUTPUTS NIBBLE A INPUTS NIBBLE B INPUTS PIN 16 = VCC PIN 8 = GND FUNCTION TABLE Inputs Output Outputs Enable Select Y0 − Y3 X = don’t care A0 − A3, B0 − B3 = the levels of the respective Data−Word Inputs. H L L X L H L A0 −A3 B0 −B3 Figure 1. Pin Assignment 13 14 15 16 9 10 11 12 5 4 3 2 1 8 7 6 SELECT Y0 B0 A0 Y1 B1 A1 GND Y3 B3 A3 OUTPUT ENABLE VCC B2 A2 Y2 Figure 2. Logic Diagram ORDERING INFORMATION Device Package Shipping† 74HCT157DR2G SOIC−16 (Pb−Free) 2500 Units / Reel 74HCT157DTR2G TSSOP−16* 2500 Units / Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *This package is inherently Pb−Free. |
Podobny numer części - 74HCT157DTR2G |
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Podobny opis - 74HCT157DTR2G |
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