Motorola 68020

The Motorola 68020 ("sixty-eight-oh-twenty", "sixty-eight-oh-two-oh" or "six-eight-oh-two-oh") is a 32-bit microprocessor from Motorola, released in 1984. A lower-cost version was also made available, known as the 68EC020. In keeping with naming practices common to Motorola designs, the 68020 is usually referred to as the "020", pronounced "oh-two-oh" or "oh-twenty".

Motorola 68020
General information
Launched1984
Designed byMotorola
Performance
Max. CPU clock rate12.5 MHz to 33 MHz
Data width32 bits
Address width32 bits
Cache
L1 cache256 byte instruction cache:578
Architecture and classification
Instruction setMotorola 68000 series
Physical specifications
Transistors
  • ~200,000:577
Package(s)
  • PGA 169 (114 pins used) 34.16 mm × 34.16 mm:577 (53 °C/W without heatsink)
Products, models, variants
Variant(s)
  • 68EC020
History
Predecessor(s)Motorola 68010
Successor(s)Motorola 68030

The 020 was in the market for a relatively short time. The Motorola 68030 was announced in September 1986 and began deliveries in the summer of 1987. Priced about the same as the 020 of the time, the 030 was significantly faster and quickly replaced in 020 in almost every use.

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