Intel 4004 description

Intel 4004 description

 

First microprocessor (single-chip IC processor)

 

  • Clock rate 740 kHz[1]
  • 0.07 MIPS
  • Bus width 4 bits (multiplexed address/data due to limited pins)
  • PMOS
  • Number of transistors 2,300 at 10 μm
  • Addressable Memory 640 bytes
  • Program Memory 4 KB
  • One of the earliest Commercial Microprocessors (cf. Four Phase Systems AL1, F14 CADC)
  • Originally designed to be used in Busicom calculator

 

MCS-4 Family:

  1. 4004 – CPU
  2. 4001 – ROM & 4-bit Port
  3. 4002 – RAM & 4-bit Port
  4. 4003 – 10-bit Shift Register
  5. 4008 – Memory+I/O Interface
  6. 4009 – Memory+I/O Interface
  7. Introduced November 15 1971
  8. Intel 4040[edit]
National Semiconductor was a second source manufacturer of the 4004, under their part number INS4004.
National Semiconductor was a second source manufacturer of the 4004, under their part number INS4004.

 

 

MCS-40 Family:

  • 4040 – CPU
  • 4101 – 1024-bit (256 × 4) Static RAM with separate I/O
  • 4201 – 4 MHz Clock Generator
  • 4207 – General Purpose Byte I/O Port
  • 4209 – General Purpose Byte I/O Port
  • 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 MHz Clock Generator Crystal for 4004/4201A or 4040/4201A
  • Introduced 1971

 

#www.en.wikipedia.org/

Write Your Comments

comments

Leave a Reply