M27C4001-55C1. Component family: Memory integrated circuit. Configuration: surface-mounted component (SMD). Housing (JEDEC standard): -. Housing: PLCC32. Interface type: Parallel. Max temperature: +70°C.. Memory circuit family: 27C. Memory configuration: 512K x 8-bit. Memory size [byte]: 4Mbit. Memory type: parallel access PROM memory. Number of terminals: 32. RoHS: yes. [MHz]: 55 ns. [V]: +5.5V. Original product from manufacturer: Stmicroelectronics. Quantity in stock updated on 13/11/2025, 16:44