Raytheon Semiconductor

Company Pedigree

Ascendant Companies		Descendent Companies
Company	Comments	Company	Comments
Rheem Semiconductor	In 1961, Raytheon acquired the struggling Rheem Semiconductor from Rheem Manufacturing.	Fairchild Semiconductor	In 1997, Fairchild bought Raytheon Electronics' RF Components Division Commercial Business Unit and it is now Fairchild's Analog and Mixed Signal group.

Company Overview

Raytheon was founded in 1922 as America Appliance Company. It changed its name in 1925. The semiconductor division was formed in 1950 and was sold to Fairchild Semiconductor in 1997.

Major Achievements

CK703 - One of the 1st commercially available transistors

CK722 - 1st transistor general available and affordable to hobbyists

Chip Identification

Raytheon Chips

Microprocessors
CPU's
MCU's
Bit-Slice
Coprocessors
Memory Devices
RAM
ROM
PROM
EPROM
EEPROM
CCD Memory
Bubble Memory
General Use Support Chips
Shift Registers
Interfaces
Communications

Second Sourced Chips

Microprocessors
CPU's	None
MCU's	None
Bit-Slice	None
Memory Devices
RAM	None
ROM	None
PROM	None
EPROM	None
EEPROM	None
CCD Memory	None
Bubble Memory	None
General Use Support Chips
Shift Registers	None
Interfaces	None
Communications	None