This part is a kind of semiconductor called AM27S29125BLA.Function of this product has 16/384-BIT (2048 x 8) BIPOLAR PROM. Manufacturers : Advanced Micro Devices Image and pinout : Some of the text within the PDF file : [ ... ] AM27S29125BLA PDF Datasheet Download Metablog 2017/11/05 22:02 2017/11/05 22:02