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{{amd title|Am2900}}
 
{{amd title|Am2900}}
 
The '''AMD Am2900''' is a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] [[bit-slice microprocessor|bit-slice]] chips designed by [[Advanced Micro Devices]] in 1975. Each component represents an individual unit in a microprocessor. Designed to be flexible and expandable, those chips were capable of emulating a large number of existing systems.
 
The '''AMD Am2900''' is a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] [[bit-slice microprocessor|bit-slice]] chips designed by [[Advanced Micro Devices]] in 1975. Each component represents an individual unit in a microprocessor. Designed to be flexible and expandable, those chips were capable of emulating a large number of existing systems.
 +
 +
== Family members ==
 +
{| class="wikitable"
 +
! Part !! Description
 +
|-
 +
| {{amd|AM2901}}<br />{{amd|AM2901A}}<br />{{amd|AM2901B}} || [[4-bit architecture|4-bit]] [[ALU]]
 +
|-
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| {{amd|AM2902}} || [[Carry-lookahead generator]]
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|-
 +
| {{amd|AM2903}}<br />{{amd|AM2903A}} || [[4-bit architecture|4-bit]] [[ALU]], Enhanced version of the {{amd|AM2901|2901}}
 +
|-
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| {{amd|AM2904}} || Status and shift control unit
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|-
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| {{amd|AM2905}} || Quad 2-input bus transceiver
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|-
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| {{amd|AM2906}} || Quad 2-input bus transceiver with parity
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|-
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| {{amd|AM2907}}<br />{{amd|AM2908}} || Quad bus transceiver with interface logic
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|-
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| {{amd|AM2909}}<br />{{amd|AM2909A}}<br />{{amd|AM2911}} || 4-bit-slice address sequencer
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|-
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| {{amd|AM2910}} || 12-bit address sequencer
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|-
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| {{amd|AM2912}} || Quad bus transceiver
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|-
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| {{amd|AM2913}} || Priority [[interrupt]] expander
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|-
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| {{amd|AM2914}} || Priority [[interrupt]] controller
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|-
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| {{amd|AM2915}}<br />{{amd|AM2916}}<br />{{amd|AM2917}} || Quad 3-state bus transceiver
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|-
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| {{amd|AM2918}}<br />{{amd|AM29LS18}} || Quad D register
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|-
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| {{amd|AM2919}} || Quad register
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|-
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| {{amd|AM2920}} || Octal D [[flip-flip]] register
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|-
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| {{amd|AM2921}} || 1-to-8 [[decoder]]
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|-
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| {{amd|AM2922}}<br />{{amd|AM2923}} || 8-input [[MUX]]
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|-
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| {{amd|AM2924}} || 3-to-8 [[decoder]]
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|-
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| {{amd|AM2925}} || [[Clock generator]]
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|-
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| {{amd|AM2926}}<br />{{amd|AM2929}} || 3-state quad bus driver
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|-
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| {{amd|AM2927}}<br />{{amd|AM2928}} || Quad 3-state Bus Transceiver
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|-
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| {{amd|AM2930}} || Program control unit
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|-
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| {{amd|AM2932}} || Program control unit for push/pop stack
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|-
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| {{amd|AM2940}} || [[direct memory access|DMA]] Address generator
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|-
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| {{amd|AM2940}} || [[Timer]]/[[Counter]]/[[direct memory access|DMA]] Address generator
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|-
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| {{amd|AM2946}}<br />{{amd|AM2947}}<br />{{amd|AM2948}}<br />{{amd|AM2949}} || Octal 3-state bidirectional bus transceiver
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|-
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| {{amd|AM2950}}<br />{{amd|AM2951}} || Bidirectional I/O Port
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|-
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| {{amd|AM2954}}<br />{{amd|AM2955}} || Octal registers
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|-
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| {{amd|AM2956}}<br />{{amd|AM2957}} || Octal latches
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|-
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| {{amd|AM2958}}<br />{{amd|AM2959}} || Octal buffer
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|-
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| {{amd|AM2960}} || 16-bit error detection and correction unit
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|-
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| {{amd|AM2961}}<br />{{amd|AM2962}} || 4-bit error correction bus buffer
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|-
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| {{amd|AM2964}} || Dynamic memory controller
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|-
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| {{amd|AM2965}}<br />{{amd|AM2966}} || Octal dynamic memory driver
 +
|}
  
 
== 2nd sources ==
 
== 2nd sources ==
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* Signetics
 
* Signetics
 
* Thomson-CSF
 
* Thomson-CSF
 +
  
 
{{stub}}
 
{{stub}}

Revision as of 02:09, 31 October 2015

The AMD Am2900 is a family of 4-bit bit-slice chips designed by Advanced Micro Devices in 1975. Each component represents an individual unit in a microprocessor. Designed to be flexible and expandable, those chips were capable of emulating a large number of existing systems.

Family members

Part Description
AM2901
AM2901A
AM2901B 		4-bit ALU
AM2902 Carry-lookahead generator
AM2903
AM2903A 		4-bit ALU, Enhanced version of the 2901
AM2904 Status and shift control unit
AM2905 Quad 2-input bus transceiver
AM2906 Quad 2-input bus transceiver with parity
AM2907
AM2908 		Quad bus transceiver with interface logic
AM2909
AM2909A
AM2911 		4-bit-slice address sequencer
AM2910 12-bit address sequencer
AM2912 Quad bus transceiver
AM2913 Priority interrupt expander
AM2914 Priority interrupt controller
AM2915
AM2916
AM2917 		Quad 3-state bus transceiver
AM2918
AM29LS18 		Quad D register
AM2919 Quad register
AM2920 Octal D flip-flip register
AM2921 1-to-8 decoder
AM2922
AM2923 		8-input MUX
AM2924 3-to-8 decoder
AM2925 Clock generator
AM2926
AM2929 		3-state quad bus driver
AM2927
AM2928 		Quad 3-state Bus Transceiver
AM2930 Program control unit
AM2932 Program control unit for push/pop stack
AM2940 DMA Address generator
AM2940 Timer/Counter/DMA Address generator
AM2946
AM2947
AM2948
AM2949 		Octal 3-state bidirectional bus transceiver
AM2950
AM2951 		Bidirectional I/O Port
AM2954
AM2955 		Octal registers
AM2956
AM2957 		Octal latches
AM2958
AM2959 		Octal buffer
AM2960 16-bit error detection and correction unit
AM2961
AM2962 		4-bit error correction bus buffer
AM2964 Dynamic memory controller
AM2965
AM2966 		Octal dynamic memory driver

2nd sources

The Am2900 had a large number of 2nd sources:

  • Elektronika
  • Fairchild
  • Motorola
  • National
  • NEC
  • Raytheon
  • Signetics
  • Thomson-CSF


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