View sn74lvt162245dlr datasheet:

SN74LVT162245DLR (1/2) IL08 16-BIT BIDIRECTIONAL TRANSCEIVER —TOP VIEW— 12 37 1B8 1A8 1DIR IN 1 48 IN 38 1OE 11 1B7 1A7 9 40 1B1 I/O 2 47 1A1 I/O 1B6 1A6 8 41 1B5 1A5 1B2 I/O 3 46 1A2 I/O 6 43 1B4 1A4 5 44 4 GND GND 45 1B3 1A3 3 46 1B2 1A2 1B3 I/O 5 44 1A3 I/O 2 47 1B1 1A1 1B4 I/O 6 43 1A4 I/O 23 26 VCC VCC 7 (+3.3 V) (+3.3 V) 42 2B8 2A8 22 27 2B7 2A7 1B5 I/O 8 41 1A5 I/O 20 29 2B6 2A6 19 30 1B6 I/O 9 40 1A6 I/O 2B5 2A5 17 32 2B4 2A4 10 GND GND 39 16 33 2B3 2A3 1B7 I/O 11 38 1A7 I/O 14 35 2B2 2A2 13 36 1B8 I/O 12 37 1A8 I/O 2B1 2A1 2B1 I/O 13 36 2A1 I/O 1 1DIR 48 2B2 I/O 14 35 2A2 I/O 1OE 15 GND GND 34 24 2DIR 2B3 I/O 16 33 2A3 I/O 25 2OE 2B4 I/O 17 32 2A4 I/O VCC VCC 18 (+3.3