Extra wide (16, 18 or 20 bits) look-alikes of common TTL bus-IC's.
+---+--+---+ /1OE |1 +--+ 48| /2OE /1Y1 |2 47| 1A1 /1Y2 |3 46| 1A2 GND |4 45| GND /1Y3 |5 44| 1A3 /1Y4 |6 43| 1A4 VCC |7 42| VCC /2Y1 |8 41| 2A1 /2Y2 |9 40| 2A2 GND |10 39| GND /2Y3 |11 38| 2A3 /2Y4 |12 7416 37| 2A4 /3Y1 |13 240 36| 3A1 /3Y2 |14 35| 3A2 GND |15 34| GND /3Y3 |16 33| 3A3 /3Y4 |17 32| 3A4 VCC |18 31| VCC /4Y1 |19 30| 4A1 /4Y2 |20 29| 4A2 GND |21 28| GND /4Y3 |22 27| 4A3 /4Y4 |23 26| 4A4 /4OE |24 25| /3OE +----------+
+---+--+---+ /1OE |1 +--+ 48| 2OE 1Y1 |2 47| 1A1 1Y2 |3 46| 1A2 GND |4 45| GND 1Y3 |5 44| 1A3 1Y4 |6 43| 1A4 VCC |7 42| VCC 2Y1 |8 41| 2A1 2Y2 |9 40| 2A2 GND |10 39| GND 2Y3 |11 38| 2A3 2Y4 |12 7416 37| 2A4 3Y1 |13 241 36| 3A1 3Y2 |14 35| 3A2 GND |15 34| GND 3Y3 |16 33| 3A3 3Y4 |17 32| 3A4 VCC |18 31| VCC 4Y1 |19 30| 4A1 4Y2 |20 29| 4A2 GND |21 28| GND 4Y3 |22 27| 4A3 4Y4 |23 26| 4A4 /4OE |24 25| 3OE +----------+
+---+--+---+ /1OE |1 +--+ 48| /2OE 1Y1 |2 47| 1A1 1Y2 |3 46| 1A2 GND |4 45| GND 1Y3 |5 44| 1A3 1Y4 |6 43| 1A4 VCC |7 42| VCC 2Y1 |8 41| 2A1 2Y2 |9 40| 2A2 GND |10 39| GND 2Y3 |11 38| 2A3 2Y4 |12 7416 37| 2A4 3Y1 |13 244 36| 3A1 3Y2 |14 35| 3A2 GND |15 34| GND 3Y3 |16 33| 3A3 3Y4 |17 32| 3A4 VCC |18 31| VCC 4Y1 |19 30| 4A1 4Y2 |20 29| 4A2 GND |21 28| GND 4Y3 |22 27| 4A3 4Y4 |23 26| 4A4 /4OE |24 25| /3OE +----------+
+---+--+---+ +---+---*---+---+ 1DIR |1 +--+ 48| /1EN |/EN|DIR| A | B | 1B1 |2 47| 1A1 +===+===*===+===+ 1B2 |3 46| 1A2 | 1 | X | Z | Z | GND |4 45| GND | 0 | 0 | B | Z | 1B3 |5 44| 1A3 | 0 | 1 | Z | A | 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 |13 245 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 2DIR |24 25| /2EN +----------+
+---+--+---+ /OEA |1 +--+ 56| /O2B LE1B |2 55| LA2B 2B3 |3 54| 2B4 GND |4 53| GND 2B2 |5 52| 2B5 2B1 |6 51| 2B6 VCC |7 50| VCC A1 |8 49| 2B7 A2 |9 48| 2B8 A3 |10 47| 2B9 GND |11 46| GND A4 |12 45| 2B10 A5 |13 44| 2B11 A6 |14 7416 43| 2B12 A7 |15 260 42| 1B12 A8 |16 41| 1B11 A9 |17 40| 1B10 GND |18 39| GND A10 |19 38| 1B9 A11 |20 37| 1B8 A12 |21 36| 1B7 VCC |22 35| VCC 1B1 |23 34| 1B6 1B2 |24 33| 1B5 GND |25 32| GND 1B3 |26 31| 1B4 LE2B |27 30| LA1B SEL |28 29| /O1B +----------+
+---+--+---+ +---+---+---*---+ /1OE |1 +--+ 48| 1LE |/OE| LE| D | Q | 1Q1 |2 47| 1D1 +===+===+===*===+ 1Q2 |3 46| 1D2 | 1 | X | X | Z | GND |4 45| GND | 0 | 0 | X | - | 1Q3 |5 44| 1D3 | 0 | 1 | 0 | 0 | 1Q4 |6 43| 1D4 | 0 | 1 | 1 | 1 | VCC |7 42| VCC +---+---+---*---+ 1Q5 |8 41| 1D5 1Q6 |9 40| 1D6 GND |10 39| GND 1Q7 |11 38| 1D7 1Q8 |12 7416 37| 1D8 2Q1 |13 373 36| 2D1 2Q2 |14 35| 2D2 GND |15 34| GND 2Q3 |16 33| 2D3 2Q4 |17 32| 2D4 VCC |18 31| VCC 2Q5 |19 30| 2D5 2Q6 |20 29| 2D6 GND |21 28| GND 2Q7 |22 27| 2D7 2Q8 |23 26| 2D8 /2OE |24 25| 2LE +----------+
+---+--+---+ +---+---+---*---+ /1OE |1 +--+ 48| 1CLK |/OE|CLK| D | Q | 1Q1 |2 47| 1D1 +===+===+===*===+ 1Q2 |3 46| 1D2 | 1 | X | X | Z | GND |4 45| GND | 0 | / | 0 | 0 | 1Q3 |5 44| 1D3 | 0 | / | 1 | 1 | 1Q4 |6 43| 1D4 | 0 |!/ | X | - | VCC |7 42| VCC +---+---+---*---+ 1Q5 |8 41| 1D5 1Q6 |9 40| 1D6 GND |10 39| GND 1Q7 |11 38| 1D7 1Q8 |12 7416 37| 1D8 2Q1 |13 374 36| 2D1 2Q2 |14 35| 2D2 GND |15 34| GND 2Q3 |16 33| 2D3 2Q4 |17 32| 2D4 VCC |18 31| VCC 2Q5 |19 30| 2D5 2Q6 |20 29| 2D6 GND |21 28| GND 2Q7 |22 27| 2D7 2Q8 |23 26| 2D8 /2OE |24 25| 2CLK +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB 1CKA |2 55| 1CKB /1CA |3 54| /1CB GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 470 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2CA |26 31| /2CB 2CKA |27 30| 2CKB /2OA |28 29| /2OB +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB /1LA |2 55| /1LB 1A1 |3 54| 1B1 GND |4 53| GND 1A2 |5 52| 1B2 1A3 |6 51| 1B3 VCC |7 50| VCC 1A4 |8 49| 1B4 1A5 |9 48| 1B5 1A6 |10 47| 1B6 GND |11 46| GND 1A7 |12 45| 1B7 1A8 |13 44| 1B8 1A9 |14 7416 43| 1B9 2A1 |15 472 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2A9 |26 31| 2B9 /2LA |27 30| /2LB /2OA |28 29| /2OB +----------+
+---+--+---+ /1OB |1 +--+ 56| /1OA 1CAB |2 55| 1CBA 1A1 |3 54| 1B1 GND |4 53| GND 1A2 |5 52| 1B2 1A3 |6 51| 1B3 VCC |7 50| VCC 1A4 |8 49| 1B4 1A5 |9 48| 1B5 1A6 |10 47| 1B6 GND |11 46| GND 1A7 |12 45| 1B7 1A8 |13 44| 1B8 1A9 |14 7416 43| 1B9 2A1 |15 474 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2A9 |26 31| 2B9 2CAB |27 30| 2CBA /2OB |28 29| /2OA +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB 1CKA |2 55| 1CKB 1A1 |3 54| 1B1 GND |4 53| GND 1A2 |5 52| 1B2 1A3 |6 51| 1B3 VCC |7 50| VCC 1A4 |8 49| 1B4 1A5 |9 48| 1B5 1A6 |10 47| 1B6 GND |11 46| GND 1A7 |12 45| 1B7 1A8 |13 44| 1B8 1A9 |14 7416 43| 1B9 2A1 |15 475 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2A9 |26 31| 2B9 2CKA |27 30| 2CKB /2OA |28 29| /2OB +----------+
+---+--+---+ OEAB |1 +--+ 56| GND LEAB |2 55| /CAB A1 |3 54| B1 GND |4 53| GND A2 |5 52| B2 A3 |6 51| B3 VCC |7 50| VCC A4 |8 49| B4 A5 |9 48| B5 A6 |10 47| B6 GND |11 46| GND A7 |12 45| B7 A8 |13 44| B8 A9 |14 7416 43| B9 A10 |15 500 42| B10 A11 |16 41| B11 A12 |17 40| B12 GND |18 39| GND A13 |19 38| B13 A14 |20 37| B14 A15 |21 36| B15 VCC |22 35| VCC A16 |23 34| B16 A17 |24 33| B17 GND |25 32| GND A18 |26 31| B18 /OBA |27 30| /CBA LEBA |28 29| GND +----------+
+---+--+---+ OEAB |1 +--+ 56| GND LEAB |2 55| CLKAB A1 |3 54| B1 GND |4 53| GND A2 |5 52| B2 A3 |6 51| B3 VCC |7 50| VCC A4 |8 49| B4 A5 |9 48| B5 A6 |10 47| B6 GND |11 46| GND A7 |12 45| B7 A8 |13 44| B8 A9 |14 7416 43| B9 A10 |15 501 42| B10 A11 |16 41| B11 A12 |17 40| B12 GND |18 39| GND A13 |19 38| B13 A14 |20 37| B14 A15 |21 36| B15 VCC |22 35| VCC A16 |23 34| B16 A17 |24 33| B17 GND |25 32| GND A18 |26 31| B18 /OEA |27 30| CLKBA LEBA |28 29| GND +----------+
+---+--+---+ /1O1 |1 +--+ 48| /1O2 /1Y1 |2 47| 1A1 /1Y2 |3 46| 1A2 GND |4 45| GND /1Y3 |5 44| 1A3 /1Y4 |6 43| 1A4 VCC |7 42| VCC /1Y5 |8 41| 1A5 /1Y6 |9 40| 1A6 GND |10 39| GND /1Y7 |11 38| 1A7 /1Y8 |12 7416 37| 1A8 /2Y1 |13 540 36| 2A1 /2Y2 |14 35| 2A2 GND |15 34| GND /2Y3 |16 33| 2A3 /2Y4 |17 32| 2A4 VCC |18 31| VCC /2Y5 |19 30| 2A5 /2Y6 |20 29| 2A6 GND |21 28| GND /2Y7 |22 27| 2A7 /2Y8 |23 26| 2A8 /2O1 |24 25| /2O2 +----------+
+---+--+---+ /1O1 |1 +--+ 48| /1O2 1Y1 |2 47| 1A1 1Y2 |3 46| 1A2 GND |4 45| GND 1Y3 |5 44| 1A3 1Y4 |6 43| 1A4 VCC |7 42| VCC 1Y5 |8 41| 1A5 1Y6 |9 40| 1A6 GND |10 39| GND 1Y7 |11 38| 1A7 1Y8 |12 7416 37| 1A8 2Y1 |13 541 36| 2A1 2Y2 |14 35| 2A2 GND |15 34| GND 2Y3 |16 33| 2A3 2Y4 |17 32| 2A4 VCC |18 31| VCC 2Y5 |19 30| 2A5 2Y6 |20 29| 2A6 GND |21 28| GND 2Y7 |22 27| 2A7 2Y8 |23 26| 2A8 /2O1 |24 25| /2O2 +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB /1LA |2 55| /1LB /1CA |3 54| /1CB GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 543 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2CA |26 31| /2CB /2LA |27 30| /2LB /2OA |28 29| /2OB +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB /1LA |2 55| /1LB /1CA |3 54| /1CB GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 544 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2CA |26 31| /2CB /2LA |27 30| /2LB /2OA |28 29| /2OB +----------+
+---+--+---+ /OAB |1 +--+ 56| /CEB LEAB |2 55| /CAB A1 |3 54| B1 GND |4 53| GND A2 |5 52| B2 A3 |6 51| B3 VCC |7 50| VCC A4 |8 49| B4 A5 |9 48| B5 A6 |10 47| B6 GND |11 46| GND A7 |12 45| B7 A8 |13 44| B8 A9 |14 7416 43| B9 A10 |15 600 42| B10 A11 |16 41| B11 A12 |17 40| B12 GND |18 39| GND A13 |19 38| B13 A14 |20 37| B14 A15 |21 36| B15 VCC |22 35| VCC A16 |23 34| B16 A17 |24 33| B17 GND |25 32| GND A18A |26 31| B18 /OBA |27 30| /CBA LEBA |28 29| /CEA +----------+
+---+--+---+ /OAB |1 +--+ 56| /CEB LEAB |2 55| /CAB A1 |3 54| B1 GND |4 53| GND A2 |5 52| B2 A3 |6 51| B3 VCC |7 50| VCC A4 |8 49| B4 A5 |9 48| B5 A6 |10 47| B6 GND |11 46| GND A7 |12 45| B7 A8 |13 44| B8 A9 |14 7416 43| B9 A10 |15 600 42| B10 A11 |16 41| B11 A12 |17 40| B12 GND |18 39| GND A13 |19 38| B13 A14 |20 37| B14 A15 |21 36| B15 VCC |22 35| VCC A16 |23 34| B16 A17 |24 33| B17 GND |25 32| GND A18A |26 31| B18 /OBA |27 30| /CBA LEBA |28 29| /CEA +----------+
+---+--+---+ 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 +----------+
+---+--+---+ 1OAB |1 +--+ 48| /1OA 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 |13 623 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 2OAB |24 25| /2OA +----------+
+---+--+---+ +---+---*---+---+ 1DIR |1 +--+ 48| /1EN |/EN|DIR| A | B | 1B1 |2 47| 1A1 +===+===*===+===+ 1B2 |3 46| 1A2 | 1 | X | Z | Z | GND |4 45| GND | 0 | 0 |/B | Z | 1B3 |5 44| 1A3 | 0 | 1 | Z |/A | 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 |13 640 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 2DIR |24 25| /2EN +----------+
+---+--+---+ 1DIR |1 +--+ 56| /1EN 1CAB |2 55| 1CBA 1SAB |3 54| 1SBA GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 646 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2SAB |26 31| 2SBA 2CAB |27 30| 2CBA 2DIR |28 29| /2EN +----------+
+---+--+---+ 1DIR |1 +--+ 56| /1EN 1CAB |2 55| 1CBA 1SAB |3 54| 1SBA GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 648 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2SAB |26 31| 2SBA 2CAB |27 30| 2CBA 2DIR |28 29| /2EN +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB 1CKA |2 55| 1CKB 1SAB |3 54| 1SBA GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 651 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2SAB |26 31| 2SBA 2CKA |27 30| 2CKB /2OA |28 29| /2OB +----------+
+---+--+---+ 1GAB |1 +--+ 56| /1GB 1CAB |2 55| 1CBA 1SAB |3 54| 1SBA GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 652 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND 2SAB |26 31| 2SBA 2CAB |27 30| 2CBA 2GAB |28 29| /2GB +----------+
+---+--+---+ /1OE |1 +--+ 56| 1DIR |2 55| 1O//E /1ERR |3 54| 1PAR GND |4 53| GND 1A0 |5 52| 1B0 1A1 |6 51| 1B1 VCC |7 50| VCC 1A2 |8 49| 1B2 1A3 |9 48| 1B3 1A4 |10 47| 1B4 GND |11 46| GND 1A5 |12 45| 1B5 1A6 |13 44| 1B6 1A7 |14 7416 43| 1B7 2A0 |15 657 42| 2B0 2A1 |16 41| 2B1 2A2 |17 40| 2B2 GND |18 39| GND 2A3 |19 38| 2B3 2A4 |20 37| 2B4 2A5 |21 36| 2B5 VCC |22 35| VCC 2A6 |23 34| 2B6 2A7 |24 33| 2B7 GND |25 32| GND /2ERR |26 31| 2PAR |27 30| 2O//E /2OE |28 29| 2DIR +----------+
+---+--+---+ +---+---+---*---+ /1OE |1 +--+ 56| 1CLK |/OE|CLK| D | Q | 1Q1 |2 55| 1D1 +===+===+===*===+ 1Q2 |3 54| 1D2 | 1 | X | X | Z | GND |4 53| GND | 0 | / | 0 | 0 | 1Q3 |5 52| 1D3 | 0 | / | 1 | 1 | 1Q4 |6 51| 1D4 | 0 |!/ | X | - | VCC |7 50| VCC +---+---+---*---+ 1Q5 |8 49| 1D5 1Q6 |9 48| 1D6 1Q7 |10 47| 1D7 GND |11 46| GND 1Q8 |12 45| 1D8 1Q9 |13 44| 1D9 1Q10 |14 7416 43| 1D10 2Q1 |15 821 42| 2D1 2Q2 |16 41| 2D2 2Q3 |17 40| 2D3 GND |18 39| GND 2Q4 |19 38| 2D4 2Q5 |20 37| 2D5 2Q6 |21 36| 2D6 VCC |22 35| VCC 2Q7 |23 34| 2D7 2Q8 |24 33| 2D8 GND |25 32| GND 2Q9 |26 31| 2D9 2Q10 |27 30| 2D10 /2OE |28 29| 2CLK +----------+
+---+--+---+ /1RST |1 +--+ 56| 1CLK /1OE |2 55| /1CLKEN 1Q1 |3 54| 1D1 GND |4 53| GND 1Q2 |5 52| 1D2 1Q3 |6 51| 1D3 VCC |7 50| VCC 1Q4 |8 49| 1D4 1Q5 |9 48| 1D5 1Q6 |10 47| 1D6 GND |11 46| GND 1Q7 |12 45| 1D7 1Q8 |13 44| 1D8 1Q9 |14 7416 43| 1D9 2Q1 |15 823 42| 2D1 2Q2 |16 41| 2D2 2Q3 |17 40| 2D3 GND |18 39| GND 2Q4 |19 38| 2D4 2Q5 |20 37| 2D5 2Q6 |21 36| 2D6 VCC |22 35| VCC 2Q7 |23 34| 2D7 2Q8 |24 33| 2D8 GND |25 32| GND 2Q9 |26 31| 2D9 /2OE |27 30| /2CLKEN /2RST |28 29| 2CLK +----------+
+---+--+---+ /1OE1 |1 +--+ 56| /1OE2 1Y1 |2 55| 1A1 1Y2 |3 54| 1A2 GND |4 53| GND 1Y3 |5 52| 1A3 1Y4 |6 51| 1A4 VCC |7 50| VCC 1Y5 |8 49| 1A5 1Y6 |9 48| 1A6 1Y7 |10 47| 1A7 GND |11 46| GND 1Y8 |12 45| 1A8 1Y9 |13 44| 1A9 GND |14 7416 43| GND GND |15 825 42| GND 2Y1 |16 41| 2A1 2Y2 |17 40| 2A2 GND |18 39| GND 2Y3 |19 38| 2A3 2Y4 |20 37| 2A4 2Y5 |21 36| VCC VCC |22 35| 2A5 2Y6 |23 34| 2A6 2Y7 |24 33| 2A7 GND |25 32| GND 2Y8 |26 31| 2A8 2Y9 |27 30| 2A9 /2OE1 |28 29| /2OE2 +----------+
+---+--+---+ /1O1 |1 +--+ 56| /1O2 1Y1 |2 55| 1A1 1Y2 |3 54| 1A2 GND |4 53| GND 1Y3 |5 52| 1A3 1Y4 |6 51| 1A4 VCC |7 50| VCC 1Y5 |8 49| 1A5 1Y6 |9 48| 1A6 1Y7 |10 47| 1A7 GND |11 46| GND 1Y8 |12 45| 1A8 1Y9 |13 44| 1A9 1Y10 |14 7416 43| 1A10 2Y1 |15 827 42| 2A1 2Y2 |16 41| 2A2 2Y3 |17 40| 2A3 GND |18 39| GND 2Y4 |19 38| 2A4 2Y5 |20 37| 2A5 2Y6 |21 36| 2A6 VCC |22 35| VCC 2Y7 |23 34| 2A7 2Y8 |24 33| 2A8 GND |25 32| GND 2Y9 |26 31| 2A9 2Y10 |27 30| 2A10 /2O1 |28 29| /2O2 +----------+
+---+--+---+ /1O1 |1 +--+ 56| /1O2 /1Y1 |2 55| 1A1 /1Y2 |3 54| 1A2 GND |4 53| GND /1Y3 |5 52| 1A3 /1Y4 |6 51| 1A4 VCC |7 50| VCC /1Y5 |8 49| 1A5 /1Y6 |9 48| 1A6 /1Y7 |10 47| 1A7 GND |11 46| GND /1Y8 |12 45| 1A8 /1Y9 |13 44| 1A9 1Y10 |14 7416 43| 1A10 /2Y1 |15 828 42| 2A1 /2Y2 |16 41| 2A2 /2Y3 |17 40| 2A3 GND |18 39| GND /2Y4 |19 38| 2A4 /2Y5 |20 37| 2A5 /2Y6 |21 36| 2A6 VCC |22 35| VCC /2Y7 |23 34| 2A7 /2Y8 |24 33| 2A8 GND |25 32| GND /2Y9 |26 31| 2A9 2Y10 |27 30| 2A10 /2O1 |28 29| /2O2 +----------+
+---+--+---+ /1OB |1 +--+ 56| /1OA 1CLK |2 55| /1CL /1ERR |3 54| 1PAR GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 833 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2ERR |26 31| 2PAR 2CLK |27 30| /2CL /2OB |28 29| /2OA +----------+
+---+--+---+ +---+---+---*---+ /1OE |1 +--+ 56| 1LE |/OE| LE| D | Q | 1Q1 |2 55| 1D1 +===+===+===*===+ 1Q2 |3 54| 1D2 | 1 | X | X | Z | GND |4 53| GND | 0 | 0 | X | - | 1Q3 |5 52| 1D3 | 0 | 1 | 0 | 0 | 1Q4 |6 51| 1D4 | 0 | 1 | 1 | 1 | VCC |7 50| VCC +---+---+---*---+ 1Q5 |8 49| 1D5 1Q6 |9 48| 1D6 1Q7 |10 47| 1D7 GND |11 46| GND 1Q8 |12 45| 1D8 1Q9 |13 44| 1D9 1Q10 |14 7416 43| 1D10 2Q1 |15 841 42| 2D1 2Q2 |16 41| 2D2 2Q3 |17 40| 2D3 GND |18 39| GND 2Q4 |19 38| 2D4 2Q5 |20 37| 2D5 2Q6 |21 36| 2D6 VCC |22 35| VCC 2Q7 |23 34| 2D7 2Q8 |24 33| 2D8 GND |25 32| GND 2Q9 |26 31| 2D9 2Q10 |27 30| 2D10 /2OE |28 29| 2LE +----------+
+---+--+---+ /1OB |1 +--+ 56| /1OA /1LE |2 55| /1CL /1ERR |3 54| 1PAR GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 853 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2ERR |26 31| 2PAR /2LE |27 30| /2CL /2OB |28 29| /2OA +----------+
+---+--+---+ /1GB |1 +--+ 56| /1GA 1B1 |2 55| 1A1 1B2 |3 54| 1A2 GND |4 53| GND 1B3 |5 52| 1A3 1B4 |6 51| 1A4 VCC |7 50| VCC 1B5 |8 49| 1A5 1B6 |9 48| 1A6 1B7 |10 47| 1A7 GND |11 46| GND 1B8 |12 45| 1A8 1B9 |13 44| 1A9 1B10 |14 7416 43| 1A10 2B1 |15 861 42| 2A1 2B2 |16 41| 2A2 2B3 |17 40| 2A3 GND |18 39| GND 2B4 |19 38| 2A4 2B5 |20 37| 2A5 2B6 |21 36| 2A6 VCC |22 35| VCC 2B7 |23 34| 2A7 2B8 |24 33| 2A8 GND |25 32| GND 2B9 |26 31| 2A9 2B10 |27 30| 2A10 /2GB |28 29| /2GA +----------+
+---+--+---+ /1GA |1 +--+ 56| /1GB 1B1 |2 55| 1A1 1B2 |3 54| 1A2 GND |4 53| GND 1B3 |5 52| 1A3 1B4 |6 51| 1A4 VCC |7 50| VCC 1B5 |8 49| 1A5 1B6 |9 48| 1A6 1B7 |10 47| 1A7 GND |11 46| GND 1B8 |12 45| 1A8 1B9 |13 44| 1A9 GND |14 7416 43| GND GND |15 863 42| GND 2B1 |16 41| 2A1 2B2 |17 40| 2A2 GND |18 39| GND 2B3 |19 38| 2A3 2B4 |20 37| 2A4 2B5 |21 36| VCC VCC |22 35| 2A5 2B6 |23 34| 2A6 2B7 |24 33| 2A7 GND |25 32| GND 2B8 |26 31| 2A8 2B9 |27 30| 2A9 /2GA |28 29| /2GB +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB 1CKA |2 55| 1CKB /1EA |3 54| /1EB GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 952 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2EA |26 31| /2EB 2CKA |27 30| 2CKB /2OA |28 29| /2OB +----------+
+---+--+---+ /1OA |1 +--+ 56| /1OB 1CKA |2 55| 1CKB /1EA |3 54| /1EB GND |4 53| GND 1A1 |5 52| 1B1 1A2 |6 51| 1B2 VCC |7 50| VCC 1A3 |8 49| 1B3 1A4 |9 48| 1B4 1A5 |10 47| 1B5 GND |11 46| GND 1A6 |12 45| 1B6 1A7 |13 44| 1B7 1A8 |14 7416 43| 1B8 2A1 |15 952 42| 2B1 2A2 |16 41| 2B2 2A3 |17 40| 2B3 GND |18 39| GND 2A4 |19 38| 2B4 2A5 |20 37| 2B5 2A6 |21 36| 2B6 VCC |22 35| VCC 2A7 |23 34| 2B7 2A8 |24 33| 2B8 GND |25 32| GND /2EA |26 31| /2EB 2CKA |27 30| 2CKB /2OA |28 29| /2OB +----------+
+---+--+---+ /1OE |1 +--+ 48| /2OE /1Y1 |2 47| 1A1 /1Y2 |3 46| 1A2 GND |4 45| GND /1Y3 |5 44| 1A3 /1Y4 |6 43| 1A4 VCC |7 42| VCC /2Y1 |8 41| 2A1 /2Y2 |9 40| 2A2 GND |10 39| GND /2Y3 |11 38| 2A3 /2Y4 |12 7416 37| 2A4 /3Y1 |13 2240 36| 3A1 /3Y2 |14 35| 3A2 GND |15 34| GND /3Y3 |16 33| 3A3 /3Y4 |17 32| 3A4 VCC |18 31| VCC /4Y1 |19 30| 4A1 /4Y2 |20 29| 4A2 GND |21 28| GND /4Y3 |22 27| 4A3 /4Y4 |23 26| 4A4 /4OE |24 25| /3OE +----------+
+---+--+---+ /1OE |1 +--+ 48| /2OE 1Y1 |2 47| 1A1 1Y2 |3 46| 1A2 GND |4 45| GND 1Y3 |5 44| 1A3 1Y4 |6 43| 1A4 VCC |7 42| VCC 2Y1 |8 41| 2A1 2Y2 |9 40| 2A2 GND |10 39| GND 2Y3 |11 38| 2A3 2Y4 |12 7416 37| 2A4 3Y1 |13 2241 36| 3A1 3Y2 |14 35| 3A2 GND |15 34| GND 3Y3 |16 33| 3A3 3Y4 |17 32| 3A4 VCC |18 31| VCC 4Y1 |19 30| 4A1 4Y2 |20 29| 4A2 GND |21 28| GND 4Y3 |22 27| 4A3 4Y4 |23 26| 4A4 /4OE |24 25| /3OE +----------+
+---+--+---+ /OEA |1 +--+ 56| /O2B LE1B |2 55| LA2B 2B3 |3 54| 2B4 GND |4 53| GND 2B2 |5 52| 2B5 2B1 |6 51| 2B6 VCC |7 50| VCC A1 |8 49| 2B7 A2 |9 48| 2B8 A3 |10 47| 2B9 GND |11 46| GND A4 |12 45| 2B10 A5 |13 44| 2B11 A6 |14 7416 43| 2B12 A7 |15 2260 42| 1B12 A8 |16 41| 1B11 A9 |17 40| 1B10 GND |18 39| GND A10 |19 38| 1B9 A11 |20 37| 1B8 A12 |21 36| 1B7 VCC |22 35| VCC 1B1 |23 34| 1B6 1B2 |24 33| 1B5 GND |25 32| GND 1B3 |26 31| 1B4 LE2B |27 30| LA1B S |28 29| /O1B +----------+