TMS27C040 Overview
The TMS27C040 devices are 524 288 by 8-bit (4 194 304-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs). The TMS27PC040 devices are 524 288 by 8-bit (4 194 304-bit), one-time programmable (OTP) electrically programmable read-only memories (PROMs). These devices are fabricated using CMOS technology for high speed and simple interface with MOS and bipolar circuits.