NEe Microcomputers, Inc. 4098-BIT BIPOLAR TTL PROG.
UPB426-2 - 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY
UPB426-1 - 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY
UPB426 - 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY
UPB426C - 4K-Bit Bipolar TTL Programmable ROM
UPB426D - 4K-Bit Bipolar TTL Programmable ROM