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Encyclopedia > AMD Am2900
AMD Am2901 - 4-Bit-Slice ALU
AMD Am2901 - 4-Bit-Slice ALU

Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). They were constructed with bipolar devices, in a bit-slice topology, and were designed to be used as modular components each representing a different aspect of a computer control unit (CCU). By using a bit slicing technique, Am2900 family was able to implement a CCU with data, addresses, and instructions to be any multiple of 4-bits by multiplying the number of ICs. One major problem with this modular technique was it required a larger amount of ICs to implement what could be done on a single CPU IC. The Am2901 chip was the arithmetic-logical unit (ALU), and the "core" of the series. It could count using 4 bits and implement binary operations as well as various bit-shifting operations.
Optical Microscope image of an integrated circuit showing defects in the aluminium layer deposition. ... 1975 (MCMLXXV) was a common year starting on Wednesday (the link is to a full 1975 calendar). ... For other possible meanings of AMD see AMD (disambiguation) Advanced Micro Devices, Inc. ... The schematic symbols for pnp- and npn-type BJTs. ... Bit slicing is a technique for constructing a processor from modules, bit slice processors, each of which processes one bit field or slice of an operand. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... ALU redirects here. ... In computer programming, a bitwise operation operates on one or two bit patterns or binary numerals at the level of their individual bits. ...



The most notable use of the Am2900 family is probably the PDP-11 of the Digital Equipment Corporation, which obtained 16 bit word width using four Am2901 ALUs in parallel. Dennis Ritchie and Ken Thompson at a PDP-11 The PDP-11 was a 16-bit minicomputer sold by Digital Equipment Corp. ... Digital Equipment Corporation was a pioneering company in the American computer industry. ... ALU redirects here. ...

Contents


Members of the Am2900-Family

for detail on the Am2900 Family See: The Am2900 Family Data Book, by AMD

Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... ALU redirects here. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... ALU redirects here. ... In digital design, a multiplier or multiplication ALU is a hardware circuit dedicated to multiplying two binary values. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computing and telecommunication, a parity bit is a binary digit that takes on the value zero or one to satisfy a constraint on the overall parity of a binary number. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computing and telecommunication, a parity bit is a binary digit that takes on the value zero or one to satisfy a constraint on the overall parity of a binary number. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computing and telecommunication, a parity bit is a binary digit that takes on the value zero or one to satisfy a constraint on the overall parity of a binary number. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computer engineering, an interrupt is a signal from a device which typically results in a context switch: that is, the processor sets aside what its doing and does something else. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computer engineering, an interrupt is a signal from a device which typically results in a context switch: that is, the processor sets aside what its doing and does something else. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computing, an instruction register is the part of a CPUs control unit that stores an instruction. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In computing, an instruction register is the part of a CPUs control unit that stores an instruction. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... |- ||0||0||0||0 |- ||0||0||1||1 |- ||0||1||X||0 |- ||1||0||X||1 |- ||1||1||0||1 |- ||1||1||1||0 |- |} The J-K flip-flop was named after Jack Kilby, the man who invented integrated circuits in 1958, for which he was awarded the Nobel Prize... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A decoder is a device which does the reverse of an encoder, undoing the encoding so that the original information can be retrieved. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A multiplexer combines more than one input into a single output. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A multiplexer combines more than one input into a single output. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A decoder is a device which does the reverse of an encoder, undoing the encoding so that the original information can be retrieved. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... In synchronous digital electronics, such as most computers, a clock signal is a signal used to coordinate the actions of two or more circuits. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Walter H. Schottky (July 23, 1886, Zürich, Switzerland - March 4, 1976, Pretzfeld, West Germany) was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at Siemens. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Walter H. Schottky (July 23, 1886, Zürich, Switzerland - March 4, 1976, Pretzfeld, West Germany) was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at Siemens. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Direct memory access (DMA) allows certain hardware subsystems within a computer to access system memory for reading and/or writing independently of the CPU. Many hardware systems use DMA including disk drive controllers, graphics cards, network cards, and sound cards. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... This article is about the term counter used in electronics and computing. ... Direct memory access (DMA) allows certain hardware subsystems within a computer to access system memory for reading and/or writing independently of the CPU. Many hardware systems use DMA including disk drive controllers, graphics cards, network cards, and sound cards. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A buffer amplifier is one that provides buffering between one circuit and another. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A microprogram is a program consisting of microcode that controls the different parts of a computers central processing unit (CPU). ... In the field of computer architecture and engineering, a sequencer or microsequencer, is a part of a control unit of a CPU. It generates the addresses used to step through the microprogram of a control store. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Walter H. Schottky (July 23, 1886, Zürich, Switzerland - March 4, 1976, Pretzfeld, West Germany) was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at Siemens. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Walter H. Schottky (July 23, 1886, Zürich, Switzerland - March 4, 1976, Pretzfeld, West Germany) was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at Siemens. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Walter H. Schottky (July 23, 1886, Zürich, Switzerland - March 4, 1976, Pretzfeld, West Germany) was a German physicist who invented the screen-grid vacuum tube in 1915 and the tetrode in 1919 while working at Siemens. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ... Am2900 is a family integrated circuits (ICs) created in 1975 by Advanced Micro Devices (AMD). ...

See Also

Advanced Micro Devices, Inc. ... This article gives is a list of AMD (Advanced Micro Devices) microprocessors (µPs), sorted by generation and release year. ... Bit slicing is a technique for constructing a processor from modules, bit slice processors, each of which processes one bit field or slice of an operand. ...

External Links

  • The Am2900 Family Data Book Bitsavers' PDF Document Archive (30MB)
  • Introduction to Designing with the Am2900 Family of Microprogramable Bipolar Devices Vol 1 Bitsavers' PDF Document Archive
  • Introduction to Designing with the Am2900 Family of Microprogramable Bipolar Devices Vol 2 Bitsavers' PDF Document Archive
  • CPU-World photos of 2900 Family ICs
  • Bit-Slice Design: micro-controllers and ALUs. an Introduction to the Am2900 Family
  • Bit-Sliced Microprocessor of the Am2900 Family

References

  • List_of_AMD_microprocessors List of AMD Microprocessors. Accessed 12 Nov, 2005.
  • [de:Am2900] German Wiki, Am2900 Accessed 12 Nov, 2005.
  • http://www.bitsavers.org/pdf/amd/_dataBooks/1979_AMD_2900family.pdf Am2900 Family Data Book Accessed 12 Nov, 2005.


This article gives is a list of AMD (Advanced Micro Devices) microprocessors (µPs), sorted by generation and release year. ...

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

Am2900 | Am29000 | Am286 | Am386 | Am486 | Am5x86 | K5 | K6 | K6-2 | K6-III | Duron | Sempron | Athlon | Athlon 64 | Athlon 64 X2 | Turion 64 | Opteron AMD logo, claiming fair use This is a copyrighted and/or trademarked logo. ... This article gives is a list of AMD (Advanced Micro Devices) microprocessors (µPs), sorted by generation and release year. ... Advanced Micro Devices, Inc. ... Here is a list of sockets and slots used by AMD central processing units: Am486: Same as Intel. ... AMD started in the x86 business as a second-source manufacturer for Intels chip designs. ... AMD Am386DX-40 CPU The Am386 central processing unit microprocessor was released by AMD in 1991. ... The Am486 was a 80486-class family of computer processors that were produced by AMD in the 1990s. ... AMD 5x86-P75 The AMD 5x86 processor is an x86-compatible CPU introduced in 1995 by AMD for use in 486-class computer systems. ... AMD 5K86-P90 (SSA/5) Microprocessor The K5 was developed by AMD to compete with Intels Pentium microprocessor range. ... History 1997 saw the arrival of AMDs K6 microprocessor. ... AMD K6-2 Microprocessor The AMD K6-2 architecture. ... K6-III+/450 The K6-III was an x86 microprocessor manufactured by AMD, the last and fastest of all Socket 7 processors. ... The AMD Duron is an x86-compatible computer processor manufactured by AMD. It was released in the summer of 2000 as a low-cost alternative to AMDs own Athlon processor and the Pentium III and Celeron processor lines from rival Intel. ... Sempron 3000+ Sempron is AMDs newest low-end CPU, replacing the Duron processor and competing against Intels Celeron D processor. ... Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant... The Athlon 64 (codenamed ClawHammer, Newcastle, Winchester, Venice, and San Diego) represents AMDs entry into the consumer 64-bit microprocessor market, released on September 23, 2003. ... Athlon 64 X2 Logo Athlon 64 X2 E6 3800+ The Athlon 64 X2 is the first dual-core desktop CPU manufactured by AMD. It is essentially a processor consisting of two Athlon 64 cores joined together on one die with some additional control logic. ... Turion 64 Logo Turion 64 is AMDs 64-bit mobile processor, intended to compete with Intels Pentium M. It is compatible with AMDs Socket 754 and is equipped with 512 or 1024 KB of L2 cache, a 64-bit single channel on-die memory controller, and an... The AMD Opteron is the first eighth-generation x86 processor (K8 core), and the first of AMDs AMD64 (x86-64) processors, released April 22, 2003. ...


 
 

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