NPX for Intel i8086 CPU, Intel i8088 CPU, Intel i80186 CPU, Intel i80188 CPU.
5 MHz (8087-3). 8 MHz (8087-2): HMOS. 10 MHz (8087-1): 2400 mW.
Package: 40 pin CERDIP (CERamic Dual In-line Package).
Technology: NMOS.