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Encyclopedia > Intel 4040
Intel D4040 Microprocessor
Intel D4040 Microprocessor

The Intel 4040 microprocessor was the successor to the Intel 4004. It was introduced in 1974. Wikipedia does not have an article with this exact name. ... Wikipedia does not have an article with this exact name. ... Microprocessors, including an Intel 80486DX2 and an Intel 80386. ... Intel C4004 microprocessor. ... 1974 (MCMLXXIV) was a common year starting on Tuesday (the link is to a full 1974 calendar). ...

The 4040 was used primarily in games, test, development, and control equipment. The package of the 4040 is more than twice as wide as the 4004 and has 24 pins vs. the 16 of the 4004. The 4040 added 14 instructions, larger stack (8 level), 8K program space, 8 more registers, and interrupt abilities (including shadows of the first 8 registers). The act of interrupting is referred to as an interrupt request. ...

The 4040 family is also referred to as the MCS-40.


New features

The act of interrupting is referred to as an interrupt request. ...


  • Instruction Set expanded to 60 instructions
  • Program memory expanded to 8K bytes
  • Registers expanded to 24
  • Subroutine stack expanded to 7 levels deep


Ted Hoff, Federico Faggin, Stan Mazor, Masatoshi Shima Bio Federico Faggin (born 1941) is a physicist and electrical engineer considered to be one of the inventors of the microprocessor. ...

New support chips

  • 4201 - Clock Generator 500 to 740 kHz using 4 to 5.185 MHz crystals
  • 4308 - 1K byte ROM
  • 4207 - General Purpose byte Output port
  • 4209 - General Purpose byte Input port
  • 4211 - General Purpose byte I/O port
  • 4289 - Standard Memory Interface (replaces 4008/4009)
  • 4702 - 256 byte UVEPROM
  • 4316 - 2K byte ROM
  • 4101 - 256 4-bit word RAM

List of Intel microprocessors | List of Intel CPU slots, sockets

Intel processors This generational and chronological list of Intel microprocessors attempts to present all of Intels processors (µPs) from the pioneering 4-bit 4004 (1971) to the present high-end offerings, the 64-bit Itanium 2 (2002) and Pentium 4F with EM64T (2004). ... Here is a list of sockets and slots used by Intel central processing units: 80486: 486 Socket Socket 1 Socket 2 Socket 3 Socket 6 Pentium: Socket 4 Socket 5 Socket 7 Pentium Pro: Socket 8 Pentium II: Slot 1 Pentium III: Slot 1 Socket 370 Pentium 4: Socket 423...

4004 | 4040 | 8008 | 8080 | 8085 | 8086 | 8088 | iAPX 432 | 80186 | 80188 | 80286 | 80386 | 80486 | i860 | i960 | Pentium | Pentium Pro | Pentium II | Celeron | Pentium III | XScale | Pentium 4 | Pentium M | Pentium D | Pentium Extreme Edition | Xeon | Core | Core 2 | Itanium | Itanium 2   (italics indicate non-x86 processors) Intel C4004 microprocessor. ... Intel 8008 The Intel 8008 was an early microprocessor designed and manufactured by Intel and introduced in April, 1972. ... Intel C8080A processor. ... Intel 8085AH The Intel 8085 was an 8-bit microprocessor made by Intel in the mid-1970s. ... An Intel 8086 Microprocessor The 8086 is a 16-bit microprocessor chip designed by Intel in 1978, which gave rise to the x86 architecture. ... An Intel 8088 microprocessor The Intel 8088 is an Intel microprocessor based on the 8086, with 16-bit registers and an 8-bit external data bus. ... The Intel iAPX 432 was Intels first 32-bit microprocessor design, introduced in 1981 as a set of three integrated circuits. ... An Intel 80186 Microprocessor The 80186 architecture. ... The Intel 80188 is a version of the Intel 80186 microprocessor with an 8 bit external data bus, instead of 16 bit. ... An Intel 80286 Microprocessor AMD 80286 with 12 Mhz. ... Intel 80386 DX, 33MHz, foreground The Intel 80386 is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 1994 and later. ... The exposed die of an Intel 80486DX2 microprocessor. ... The Intel i860 (also 80860, and code named N10) was a RISC microprocessor from Intel, first released in 1989. ... Intels i960 (or 80960) was a RISC-based microprocessor design that became quite popular during the early 1990s as an embedded microcontroller, for some time likely the best-selling CPU in that field, pushing the AMD 29000 from that spot. ... Pentium logo, with MMX enhancement The Pentium is a fifth-generation x86 architecture microprocessor by Intel. ... Pentium Pro 256 KB Pentium Pro 512 KB Pentium Pro 1 MB Pentium Pro underside (256/512) Pentium II Overdrive The Pentium Pro is a sixth-generation x86 architecture microprocessor (P6 core) by Intel originally intended to replace the original Pentium in a full range of applications, but later reduced... Pentium II – front view The Pentium II is an x86 architecture microprocessor by Intel, introduced on May 7, 1997. ... Celeron D logo as of 2006. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... The factual accuracy of this article is disputed. ... New Intel Pentium 4 with Hyper Threading logo The Pentium 4 is a seventh-generation x86 architecture microprocessor produced by Intel and is their first all-new CPU design, called the NetBurst architecture, since the Pentium Pro of 1995. ... Introduced in March 2003, the Pentium M is an x86 architecture microprocessor designed and manufactured by Intel. ... Pentium D logo as of 2006. ... Pentium Extreme Edition brand logo // Smithfield Pentium Extreme Edition is the brand name given to a series of Intel microprocessors introduced during the 2nd Quarter 2005 Intel Developers Forum, not to be confused with the Pentium 4 Extreme Edition (an earlier, single-core processor occupying the same niche). ... Xeon logo The Xeon is Intels name for its server-class PC microprocessors intended for multiple-processor machines. ... Intel Core is the name used for the processor code named Yonah (Hebrew transliteration for Jonah - יונה), released on January 5, 2006. ... Core 2 Duo brand logo This article is about Intel processors branded as Intel Core 2. ... Itanium brand logo The Intel Itanium processor. ... Itanium 2 logo The Itanium 2 is the successor of the first Itanium processor and is an IA-64 architecture microprocessor. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ...

  Results from FactBites:
Intel 4040: Information from Answers.com (199 words)
The Intel 4040 microprocessor was the successor to the Intel 4004.
The 4040 added 14 instructions, larger stack (8 level), 8 kiB program space, 8 more registers, and interrupt abilities (including shadows of the first 8 registers).
Several collectable Intel chips including a white and gold C4004
  More results at FactBites »



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