7416620 Dual 8-bit 3-state inverting bus transceiver. +----------+ 1GAB |1 +--+ 48| /1GA 1B1 |2 47| 1A1 1B2 |3 46| 1A2 GND |4 45| GND 1B3 |5 44| 1A3 1B4 |6 43| 1A4 VCC |7 42| VCC 1B5 |8 41| 1A5 1B6 |9 40| 1A6 GND |10 39| GND 1B7 |11 38| 1A7 1B8 |12 7416 37| 1A8 2B1 |13 620 36| 2A1 2B2 |14 35| 2A2 GND |15 34| GND 2B3 |16 33| 2A3 2B4 |17 32| 2A4 VCC |18 31| VCC 2B5 |19 30| 2A5 2B6 |20 29| 2A6 GND |21 28| GND 2B7 |22 27| 2A7 2B8 |23 26| 2A8 2GAB |24 25| /2GA +----------+ [This information is part of the GIICM]