TTL Logic Manufacturers

AVG Semiconductors

Fairchild Semiconductor
{TTL - 74xx - ALS - F Devices}

National Semiconductor
{Military / Aerospace 54xx F - TTL - L - LS series logic ICs}

ON Semiconductor
{TTL - LS - F ICs}

Philips Semiconductors
{TTL - ALS -F AST}

Rochester Electronics
{Discontinued ICs}

Texas Instruments 'TI'
{ALS - AS - F - LS - S - TTL series of devices}

Transys Electronics
{74LV - 74LS / 74ALS}

CMOS - BiCMOS Logic Manufacturers

AVG Semiconductors

Fairchild Semiconductor
{ABT - AC - ACQ - ACTQ - C - GTLP - HC/T - LCX - LVT/X - VCX}

Hitachi Semiconductor (America) "Renesas Technology Corp.
{ALVC - LVC IC Manufacturer}

Intersil {Radiation Hardened}
{ACS - ACTS - HCS - HCTS}

Integrated Device Technology Inc. 'IDT'
{FCT-ALVC/H-FCT-LCX-LVC/LVCH-GTLP}

International Microcircuits Inc. 'IMI' "Cypress"
{ALVC - AVC ICs}

National Semiconductor
{Military/Aerospace 54AC/ACT/Q-FCT-ABT-HC-C-LCX-VCX-VHC}

ON Semiconductor
{AC-HC-LCX-LVX-VCX-VHC}

Pericom Semiconductor Inc.
{ALVCH-ALVCT-FCT-LCX-LPT}

Philips Semiconductors
{LV-LVC/T-AVC-ALVC/T-ABT-HC/T-BTL}

STMicroelectronics
{HC/HCT-AC/ACT-VHC/T-LCX-LCV-GTL}

Texas Instruments 'TI'
{AHC/T-ABT/E/ETL-AC/T-ALB-ALVC-BCT-CBT/LV-HC/T-LV/C/T-ALVT-AVC-GTLP}

Toshiba
{ABT-AC/T-HC/T-LCX-LVX-VCX-VHC/T}

Transys Electronics
{74AC/74ACT-74VHC/74VHCT-74HCT/74HCT}

UTMC Microelectronic Systems "Aeroflex"
{RAD Hard ACTS/ACS ICs}

ECL Logic Manufacturers -"Emitter Coupled Logic"

Arizona Microtek inc.
{ECLinPS - ECLinPS Lite - ECLinPS Plus ICs}

Austin Semiconductor

Micrel
{10/100H/K ECL - ECLinPS - CML}

National Semiconductor
{100K ECL ICs}

NTT Electronics Corp.

ON Semiconductor
{10H/K ECL - ECLinPS/ECLinPS Lite - 10EPxx ICs}

Semtech Corporation

Transys Electronics

Vcc levels; ECL: -5.2v, PECL: +5.0v, LVPECL: +3.3v

Single Gate Logic Manufacturers -"Pico Gate Logic"

Fairchild Semiconductor

National Semiconductor

ON Semiconductor

Pericom Semiconductor Inc.

Philips Semiconductor

STMicroelectronics
{Single gate: VHC / VHCT - HCMOS ICs}

Texas Instruments 'TI'