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The Intel 8085 ("eighty-eighty-five") is an 8-bit microprocessor produced by Intel and introduced in March 1976. [2] It is the last 8-bit microprocessor developed by Intel. It is software- binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features.
The 8086 [3] (also called iAPX 86) [4] is a 16-bit microprocessor chip designed by Intel between early 1976 [citation needed] and June 8, 1978, when it was released. [5] The Intel 8088, released July 1, 1979, [6] is a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs), [note 1] and is notable as the processor used in the original IBM ...
An earlier chipset support for Intel 8085 microprocessor can be found at MCS-85 family section. Early IBM XT-compatible mainboards did not yet have a chipset, but relied instead on a collection of discrete TTL chips by Intel: [1] the 8284 clock generator; the 8288 bus controller; the 8254 programmable interval timer; the 8255 parallel I/O interface
Like the 8080, 8085 and 8086 processors, but unlike processors such as the Motorola 6800 and MOS Technology 6502, the Z80 and 8080 has a separate control line and address space for I/O instructions. While some Z80-based computers such as the Osborne 1 used "Motorola-style" memory mapped input/output devices, usually the I/O space was used to ...
Pin count Pin pitch (mm) Bus clock & transfers Notes DIP: 1970s Intel 8086 Intel 8088: DIP: 40 2.54 5/10 MHz PLCC? Intel 80186 Intel 80286 Intel 80386: PLCC: 68 to 132 1.27 6–40 MHz PGA 168 ? Intel 80486 AMD 486 Cyrix 486 PGA: 168 2.54 16–50 MHz Sometimes referred to as Socket 0 or Socket 486 Socket 1: 1989 Intel 80486 AMD 486 AMD 5x86 ...
The Intel 8080 ("eighty-eighty") is the second 8-bit microprocessor designed and manufactured by Intel.It first appeared in April 1974 and is an extended and enhanced variant of the earlier 8008 design, although without binary compatibility. [3]
The KR580VM80A (Russian: КР580ВМ80А) is a Soviet microprocessor, a clone of the Intel 8080 CPU. [1] [2] Different versions of this CPU were manufactured beginning in the late 1970s, the earliest known use being in the SM1800 computer in 1979. Initially called the K580IK80 (К580ИК80), it was produced in a 48-pin planar metal
The chip was packaged in a large ceramic 64-pin DIP package, while most 8-bit microprocessors such as the Intel 8080 used the more common, smaller, and less expensive plastic 40-pin DIP. A follow-on chip, the TMS 9980, was designed to compete with the Intel 8080, had the full TI 990 16-bit instruction set, used a plastic 40-pin package, moved ...