BUY M87C257-12F1 https://www.utsource.net/itm/p/862007.html
Address Latched 256 Kbit 32Kb ×8 UV EPROM and OTP EPROM
The M87C257-12F1 is a high-performance 8-bit microcontroller from STMicroelectronics. It is based on the MCS-51 architecture and is designed for use in embedded systems. The device features a wide range of peripherals, including an 8-bit timer/counter, a programmable counter array, an 8-bit analog-to-digital converter, and a serial interface. It also has an on-chip oscillator and can be programmed in C or assembly language. The M87C257-12F1 is suitable for use in a variety of applications, including automotive, industrial, and consumer electronics. It can be used for motor control, data acquisition, and digital signal processing. It is also suitable for use in medical devices, security systems, and home automation. Features: 8-bit MCS-51 architecture 8-bit timer/counter Programmable counter array 8-bit analog-to-digital converter Serial interface On-chip oscillator Programmable in C or assembly language Low power consumption Wide operating voltage range (2.7V to 6V) Available in DIP-28 package (For reference only)