This part is a kind of semiconductor called DEI1016.

Function of this product has Arinc 429 Transceiver.

Manufacturers : Device Engineering

Image and pinout :

Some of the text within the PDF file :

Device Engineering Incorporated 430 S. Rockford Dr. Tempe, AZ 85281 Phone: (480) 303-0822 Fax: (480) 303-0824 E-mail: info@deiaz.com DEI 1016 ARINC 429 Transceiver Features • • • • • • • • Two Receivers and One Transmitter Harris/Holt/Raytheon Pin for Pin Replacement Wraparound Self-Test mode Word length of 25 or 32 bits Parity Status and generation of Receive and Transmit Words 8 Word Transmitter buffer Low Power CMOS processing Supports multiple ARINC data busses: 429, 571, 575, 706. General Description: The DEI 1016 provides an interface between a standard avionics type serial digital data bus and a 16-bit-wide digital data bus. The interface circuit consists of a single channel transmitter with an 8X32 bit buffer, two independent receive channel [ ... ]

DEI1016 PDF Datasheet Download