Electrospec parts by Motorola, SGS-Thompson ST Microelectronics, National Semiconductor, Intel, Harris: 93C06LZN DIP, 93C46 DIP, 93C46-6 DIP, 93C46N (DIP-8), 93C46P/PC DIP... to MSM82C51A-2RS DIP

Manufacturers: Motorola, SGS-Thompson ST Microelectronics, National Semiconductor, Intel, Harris, Sharp, Atmel, Philips, Microchip, TI Texas Instruments, Maxim, Mitsubishi, Hewlett-Packard (HP, Nippon Electrical Company (NEC), Agilent), Toshiba, Sanyo, Advanced Micro Devices, Signetics, Hitachi, Arizona Microchip Technology), Matsushita, Intersil, International Rectifier, Samsung, Sony, General Instrument (GI, Micron, Panasonic, Burr-Brown (Texas Instruments), Goldstar, Siemens, Holtek, Siliconix, RCA, Mitel, Fuji Semiconductor, Aptos, Fujitsu, ISSI Integrated Silicon Solution Inc, Datel, Linear Technology Corporation, Lattice, Cinch, Oki Semiconductor, Siltronics, Genesis Microchip Inc, OHMIT, Telefunken, CK, GENSE, LG, Centre Suisse d'Electronique et de Microtechnique, CORN, SMSC), GENS, Dallas, Acrian RF Transistor, HHSMI, GE, QT Optoelectronics, Fairchild Semiconductor, Cirrus, Standard Microsystems Corp (SMS, ITT Semiconductors Group, Catalyst, Micrel Semiconductor, Crystal Semiconductor, Benchmarq, Fairchild, Altera (EPROM), Teledyne, ML, Pericom, Matra (MHS), Thomson, Malaysia Microelectronic Solutions, MICRE, Precision Monolithics Inc (PMI), LORA, Cherry Semiconductor, CSI, Monolithic Memories Inc (MMI), Temic, Analog Devices