The PIC18F2585-E/SP from Microchip Technology is a PIC 18F 8-bit microcontroller Integrated Circuit running at 25 MHz with 48 KB (24K x 16) flash memory, in a 28-SPDIP package.
The PIC18F2585-E/SO from Microchip Technology is a PIC 18F 8-bit microcontroller Integrated Circuit running at 25 MHz with 48KB (24K x 16) flash memory in a 28-SOIC package.
The PIC18F2585-H/SO from Microchip Technology is an 8-bit PIC 18F microcontroller Integrated Circuit running at 25 MHz, with 48KB (24K x 16) flash memory in a 28-SOIC package.
The PIC18F2585-I/SO from Microchip Technology is a PIC 18F 8-bit microcontroller Integrated Circuit rated 40 MHz with 48 KB (24K x 16) flash memory, in a 28-SOIC package.
The PIC18F2585-H/SP from Microchip Technology is a PIC 18F 8-bit microcontroller Integrated Circuit at 25 MHz with 48 KB (24K x 16) flash memory, in a 28-SPDIP package.
The PIC18F2585T-I/SO from Microchip Technology is a PIC 18F microcontroller Integrated Circuit with 8-bit architecture, 40 MHz, 48 KB (24K x 16) flash memory, in a 28-SOIC package.