This is a 16-bit SPI I/O expander.
This chip is in a DIP housing. Suitable sockets are DIP-28-L-(5) (low-cost, flat pins) or DIP-28-Q or (high-quality, round pins)..
manufacturer: Microchip
Related products:DIP-28-L-(5) | 5 * low-cost 28-pin DIP IC socket, narrow model | |
DIP-28-Q | high-quality 28-pin DIP IC socket, narrow model |