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MC74HC245ADWR2G Datasheet(PDF) 2 Page - ON Semiconductor |
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MC74HC245ADWR2G Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 10 page MC74HC245A http://onsemi.com 2 Figure 1. Pin Assignment A5 A3 A2 A1 DIRECTION GND A8 A7 A6 A4 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 B3 B2 B1 OUTPUT ENABLE VCC B8 B7 B6 B5 B4 A DATA PORT A8 A7 A6 A5 A3 A4 A2 A1 9 8 7 6 5 4 3 2 DIRECTION OUTPUT ENABLE 1 19 PIN 10 = GND PIN 20 = VCC 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 B DATA PORT Figure 2. Logic Diagram FUNCTION TABLE Control Inputs Operation Output Enable Direction L L Data Transmitted from Bus B to Bus A L H Data Transmitted from Bus A to Bus B H X Buses Isolated (High−Impedance State) X = don’t care ORDERING INFORMATION Device Package Shipping† MC74HC245AN PDIP−20 18 Units / Rail MC74HC245ANG PDIP−20 (Pb−Free) 18 Units / Rail MC74HC245ADW SOIC−20 WIDE 38 Units / Rail MC74HC245ADWG SOIC−20 WIDE (Pb−Free) 38 Units / Rail MC74HC245ADWR2 SOIC−20 WIDE 1000 Tape & Reel MC74HC245ADWR2G SOIC−20 WIDE (Pb−Free) 1000 Tape & Reel MC74HC245ADT TSSOP−20* 75 Units / Rail MC74HC245ADTG TSSOP−20* 75 Units / Rail MC74HC245ADTR2 TSSOP−20* 2500 Tape & Reel MC74HC245ADTR2G TSSOP−20* 2500 Tape & Reel MC74HC245AF SOEIAJ−20 40 Units / Rail MC74HC245AFG SOEIAJ−20 (Pb−Free) 40 Units / Rail MC74HC245AFEL SOEIAJ−20 2000 Tape & Reel MC74HC245AFELG SOEIAJ−20 (Pb−Free) 2000 Tape & 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. |
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