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| − | The '''National IMP-8''' is a [[microprocessor family|family]] of multi-chip [[8-bit architecture|8-bit]] [[bit-slice microprocessor|bit-slice]] [[microprocessor]] developed by [[National semiconductor]] and introduced in 1974. The chips were made using [[PMOS]] technology. Units could be combined to implement systems with 8 to 32-bit words. The IMP-8 was designed using 2 {{national|IMP-4}} 4-bit bit-slice | + | The '''National IMP-8''' is a [[microprocessor family|family]] of multi-chip [[8-bit architecture|8-bit]] [[bit-slice microprocessor|bit-slice]] [[microprocessor]] developed by [[National semiconductor]] and introduced in 1974. The chips were made using [[PMOS]] technology. Units could be combined to implement systems with 8 to 32-bit words. The IMP-8 was designed using 2 {{national|IMP-4}} 4-bit bit-slice RALUs and an 8-bit control unit. |
{| class="wikitable" style="float: right;" | {| class="wikitable" style="float: right;" | ||
| − | ! colspan=" | + | ! colspan="3" | Family Members |
|- | |- | ||
| − | ! Part !! Description | + | ! Part<br />(Commercial) !! Part<br />(Military) !! Description |
|- | |- | ||
| − | | {{national|IMP-8A/ | + | | {{national|IMP-8A/500}} || {{national|IMP-8A/400}} || Bundled Kit, CROM + 2 {{national|IMP-00A/520}} |
| + | |- | ||
| + | | {{national|IMP-8A/520}} || {{national|IMP-8A/420}} || Control and Read-only Memory (CROM) | ||
|} | |} | ||
| + | |||
| + | ==2nd sources== | ||
| + | [[rockwell international|Rockwell]] was the only 2nd source for the IMP-8 series. | ||
== Design == | == Design == | ||
Latest revision as of 12:37, 21 July 2018
The National IMP-8 is a family of multi-chip 8-bit bit-slice microprocessor developed by National semiconductor and introduced in 1974. The chips were made using PMOS technology. Units could be combined to implement systems with 8 to 32-bit words. The IMP-8 was designed using 2 IMP-4 4-bit bit-slice RALUs and an 8-bit control unit.
| Family Members | ||
|---|---|---|
| Part (Commercial) |
Part (Military) |
Description |
| IMP-8A/500 | IMP-8A/400 | Bundled Kit, CROM + 2 IMP-00A/520 |
| IMP-8A/520 | IMP-8A/420 | Control and Read-only Memory (CROM) |
2nd sources[edit]
Rockwell was the only 2nd source for the IMP-8 series.
Design[edit]
 |
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