Parallel Eeprom Programmer, But a PCB is more professional, and quite inexpensive.

Parallel Eeprom Programmer, The address bus of the EEPROM (up to 15 bit) is controlled via two daisy-chained 74HC595 shift registers using hardware SPI @ 8 Mbps. com #314 AT28C16 EEPROM Programmer Programming an AT28C16 EEPROM with an Arduino and MCP23S17 16-bit port expander. Upload "EEPROM_Programmer_Gerber. 00 delivery Sponsored This is a simple circuit for programming the 28C16, 28C64, 28C256, and similar parallel EEPROMs using an Arduino. For fabrication and shipping, I paid under $10 US. Oct 23, 2019 · I built an EEPROM programmer and a ROM board for my Amstrad 464 in the mid-'80s. It currently supports 32Kx8 (28C256 and X28256) and 2Kx8 (28C16) EEPROMs. At that time the devices all used the same data and address pins but sometimes different pins for the 'programming voltage', etc. But a PCB is more professional, and quite inexpensive. 00 + $5. zd4, gxe, 1ytcl, au, r1g6, qoguucs, loyl, nlv, ohkio, xmvhd,