7416827
Dual 10-bit 3-state noninverting buffer/line driver.

     +----------+
/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
     +----------+

[This information is part of the GIICM]