Microchip 4Mbit EPROM 32-Pin PDIP, AT27C040-90PU
29mm, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -40 °C, Number of Bits per Word: 8bit, Typical Operating Supply Voltage: 5 V, MPN: AT27C040-90PU.29 x 13.44mm, Length: 42.Microchip 4Mbit EPROM 32-Pin PDIP, Organisation: 512K x 8 bit, Maximum Random Access Time: 90ns, Reprogramming Technique: OTP, Mounting Type: Through Hole, Dimensions: 42.