ADC
Analog Devices
LTC
Maxim
National
Texas Instruments

DAC
Analog Devices
LTC
Maxim
National
Texas Instruments

References
LTC
Intersil
LTC
Maxim
Microsemi
National
Thomson
Texas Instruments

Op-amps
Analog Devices
Intersil
LTC
Maxim
Microsemi
Mindspeed
National
Thomson
Texas Instruments

Comparators
Analog Devices
Intersil
LTC
Maxim
National
Thomson
Texas Instruments

Interface/Mux
Analog Devices
Cypress
Intersil
Maxim
Mindspeed
National
Thomson
Texas Instruments
Vishay Siliconix

uP supervisory
Analog Devices
Catalyst Semiconductor
Maxim
National
Thomson
Texas Instruments
ZiLOG

Power control
Analog Devices
Catalyst Semiconductor
Intersil
LTC
Maxim
Microsemi
National
Thomson
Texas Instruments

Logic gates
IDT
Thomson
Texas Instruments

Clock distribution
Cypress
IDT
National
Thomson
Texas Instruments

Comms ICs
Cypress
IDT
Intel
Intersil
Maxim
Microsemi
Mindspeed
National
Thomson
Texas Instruments

PLD/CPLD/EPLD
Altera
Atmel
Cypress
Texas Instruments

FPGA
Altera
Atmel

ASIC
Atmel
Thomson
Texas Instruments

Foundry
Atmel

SRAM
Cypress
IDT
IXYS
Maxim
Thomson

FIFO/Multi-port
Cypress
IDT
Texas Instruments

EPROM
Cypress
Maxim
Texas Instruments
Atmel

EEPROM
Catalyst Semiconductor
Maxim
Thomson
Atmel

Flash
Catalyst Semiconductor
Intel
Thomson

Microcontroller
Intel
Maxim
National
Thomson
Texas Instruments
ZiLOG

uP/DSP
Intel
National
Thomson
Texas Instruments
ZiLOG

RISC/Embedded
Cypress
IDT
Intel
Thomson
Texas Instruments
ZiLOG