CPUpages.comEC040 – MC68EC040RC25A

MC68EC040 is low-cost MC68040 without integrated Memory Management Unit (MMU) and co-processor (FPU). Usually used as controller.

Manufacturer: Motorola
Type: RISC Microprocessor, Microcontroller
Introduced: 1991
Name (codename): 68EC040 (?)
Code (Copyright): MC68EC040RC25A revision A (no)
Specification number: no
Core speed: 25MHz
BUS: 25MHz, 32-bit
Transistors (Die size): 813 500 (?mm square)
Technology: 0.57-micron HCMOS
L1/L2 cache: 4kB + 4kB / 512kB (external on board, bus speed)
Can address: 4GB of physical and 1GB of virtual memory
FPU: Not integrated, Co-processor 68881 or 68882
Drystone ALU: 26.1MIPS
V core (typical): (5±0.25)V
Power dissipation (typical/max.): 2.4W – 3.9W
Operating temperature (min./max.): 0 – 110°C
Package (Socket): Ceramic PGA-179pin (Socket PGA-179pin)
Dimensions: 47.2 x 47.2 x 7mm

Origin: Marcin Majewski (Poland)

CPUpages.com 50P – DX2ODP 50 BOX

In fact it is A80486DX2-50 for upgrade A80486SX 16-25 and A80486DX 25. CPU has 487SX pinout (169pins) and is intended for OverDrive socket. One extra pin assigned to disable the Intel i80486SX CPU. Original CPU can be removed.

Manufacturer: Intel
Type: Microprocessor
Introduced: June 1993
Name (codename): 486DX2 OverDrive Processor (P23T)
Code (Copyright): DX2ODP50 BOXed (Intel 1989 1992)
Specification number: SZ902
Core speed: 32MHz(16MHz BUS), 40MHz(20MHz BUS) or 50MHz(25MHz BUS)
BUS: 16MHz – 25MHz, 32-bit
Transistors (Die size): 1 200 000 (81mm square)
Technology: 0.8-micron
L1/L2 cache: 8kB / to 512kB (external, BUS speed)
Can address: 4 GB of physical and 64 TB of virtual memory
FPU: Integrated
Whetstone FPU: ?MFLOPS
Drystone ALU: ?MIPS
V core (typical/max.): 5V – 6.5V
Power dissipation (typical/max.): 3.75W – 4.75W (at 50MHz)
Operating temperature (min./max.): 0 – 95°C
Package (Socket): Ceramic PGA-169pin (Socket 2,3)
Dimensions: 44.5 x 44.5 x 13mm

Origin: RickUK