name: uPD7759C function: Speech Synthesizer package: DIP,40 manufacturer: NEC added-by: Youri Mikhailov comment: 650 KHZ Sync.(D.A.T.A. PAL) +--()--+ ASD5 | 1 40| Vdd ASD6 | 2 39| ASD4 ASD7 | 3 38| ASD3 I0 | 4 37| ASD2 I1 | 5 36| ASD1 I2 | 6 35| ASD0 I3 | 7 34| A8 I4 | 8 33| A7 I5 | 9 32| A6 I6 |10 31| A5 I7 |11 30| A4 /AEN|WR |12 29| A3 SAA |13 28| A2 /DRQ |14 27| A1 ALE |15 26| A0 REF |16 25| /CS|TEST AVO |17 24| X2 /BUSY |18 23| X1 /RESET |19 22| /ST GROUND |20 21| /MD +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/