name: MM54104 function: digitalker package: DIP?,40 manufacturer: added-by: Agustin Yado +--()--+ osc in | 1 40| vdd osc out | 2 39| speech out cs | 3 38| adr 13 wr | 4 37| adr 12 | 5 36| adr 11 intr | 6 35| adr 10 cms | 7 34| adr 9 d0 | 8 33| adr 8 d1 | 9 32| adr 7 d2 |10 31| adr 6 d3 |11 30| adr 5 d4 |12 29| adr 4 d5 |13 28| adr 3 d6 |14 27| adr 2 d7 |15 26| adr 1 rdata 0 |16 25| adr 0 rdata 1 |17 24| rdata 7 rdata 2 |18 23| rdata 6 rdata 3 |19 22| rdata 5 vss |20 21| rdata 4 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/