Editing List of Intel processors (section)

==== [[Intel 4004]] ====
First commercially available [[microprocessor]] (single-chip IC processor)
<!-- PLEASE DON'T "CORRECT" THIS NEXT VALUE, IT's ALREADY CORRECT! (see following comment) -->
* Introduced November 15, 1971
* Clock rate 740 [[kilohertz|kHz]]{{efn|The 4004's original goal was to equal the clock rate of the [[IBM 1620 Model I]] (1&nbsp;MHz); this was not quite met.}}
<!--All of Intel's 4004 data sheets, rosscoun including the very first data sheet from November 1971, clearly indicate that the minimum clock period is 1350 nanoseconds, which results in a maximum clock rate of 740 kHz. Unfortunately, many apparenty reputable web pages and other sources list an incorrect clock rate of 108 kHz; even Intel's own pages on the 4004's history say this! The 4004's minimum instruction cycle time is 10.8 microseconds (8 clock cycles), and it seems most likely that someone in the past confused this with a clock rate. Alas, this error has now propagated very widely.-->
* 0.07&nbsp;[[million instructions per second|MIPS]]
* Bus width: 4 bits (multiplexed address/data due to limited pins)
* [[PMOS logic|PMOS]]
* 2,300 transistors at 10&nbsp;[[micrometre|μm]]
* [[Computer memory|Addressable memory]] 640&nbsp;[[byte]]s
* [[Read-only memory|Program memory]] 4&nbsp;[[kilobyte|KB]] (4096 B)
* Originally designed to be used in [[Busicom]] calculator
'''MCS-4 family:'''
* 4004 – [[CPU]]
* 4001 – [[Read-only memory|ROM]] & 4-bit Port
* 4002 – [[RAM]] & 4-bit Port
* 4003 – 10-bit Shift Register
* 4008 – Memory+I/O Interface
* 4009 – Memory+I/O Interface
* 4211 – General Purpose Byte I/O Port
* 4265 – Programmable General Purpose I/O Device
* 4269 – Programmable Keyboard Display Device
* 4289 – Standard Memory Interface for MCS-4/40
* 4308 – 8192-bit (1024 × 8) ROM w/ 4-bit I/O Ports
* 4316 – 16384-bit (2048 × 8) Static ROM
* 4702 – 2048-bit (256 × 8) EPROM
* 4801 – 5.185&nbsp;MHz Clock Generator Crystal for 4004/4201A or 4040/4201A

[[File:Intel C4040 Microprocessor.JPG|thumb|Intel C4040]]