1Y5 1Y6 GND 1Y7 1Y8 2Y1 2Y2 GND 2Y3 2Y4 VCC 2Y5 2Y6 GND 2Y7 2Y8 2OE1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 1OE2 47 1A1 46 1A2 45 GND 44 1A3 43 1A4 42 VCC 41 1A5 40 1A6 3.