27C256-070I-OTP. Assembly/installation: PCB through-hole mounting. Function: OTP-EPROM. Housing (according to data sheet): DIP-28, 28P6 (RM-15.24mm). Housing: DIP. Number of terminals: 28. Operating temperature: -40...+85°C. RoHS: yes. VCC: 4.5...5.5V. Original product from manufacturer: Microchip. Quantity in stock updated on 12/11/2025, 21:16