NEC
From a photo of Rev. 0 board 1070 (A2S1-0800), in rows C and D.
µPD416D, 736 date code. 16kb x 1.
Total # on board: 16.
Texas Instruments
From another photo of Rev. 0 board 1070 (A2S1-0800), in row E.
TMS4116-15JL, P7845 date code. 16kb x 1.
Total # on board: 8.
Motorola
Parts for my Rev 0 replica.
MCM4027L4, 7710 and 7721 date codes. 4kb x 1. Have enough to populate all 3 rows to use with the 4K memory select blocks.