40108, 40208, 4580 4x4-bit 3-state synchronous triple-port register file. +--------------+ 1Q3 |1 +--+ 24| VCC 1Q2 |2 23| 1Q1 1RD |3 22| 1Q0 2Q0 |4 21| 2RD 2Q1 |5 20| D0 2Q2 |6 19| D1 2Q3 |7 40108 18| D2 WA0 |8 17| D3 WA1 |9 16| WCLK 2RA1 |10 15| WR 2RA0 |11 14| 1RA1 GND |12 13| 1RA0 +--------------+ [This information is part of the GIICM]