The package that contains this software is called TSOT. It is designed to maximiTape & Reele space efficiency by containing the FPGA model in Tape & Reel. In this case, 8 pins are used in the design.
LTC2632HTS8-HZ12#PBF Features
TSOT package 8 pins
LTC2632HTS8-HZ12#PBF Applications
There are a lot of Analog Devices, Inc. LTC2632HTS8-HZ12#PBF Digital to Analog Converters (DAC) applications.