M27C256B-90B1 STMicroelectronics

Description: IC EPROM 256KBIT PARALLEL 28DIP, Memory Size: 256Kbit, Mounting Type: Through Hole, Package / Case: 28-DIP (0.600", 15.24mm), Packaging: Tube, DigiKey Programmable: Not Verified, Memory Organization: 32K x 8, Access Time: 90 ns, Memory Interface: Parallel, Part Status: Obsolete, Supplier Device Package: 28-PDIP, Memory Format: EPROM, Technology: EPROM - OTP, Voltage - Supply: 4.5V ~ 5.5V, Operating Temperature: 0°C ~ 70°C (TA), Memory Type: Non-Volatile.