National Semiconductor LM4562NA LM4562 4562 Dual OpAmp DIP-8 (Pack of 4) | Reverb
National Semiconductor LM386N-1 LM386 Low Power Audio Amplifier IC (Pack of 10) | Reverb
HiFi Headphone Amplifier Circuit Based LM4880 » CircuitsZone.com
National Semiconductor LM4562NA LM4562 4562 Dual OpAmp DIP-8 (Pack of 4) | Reverb
DS8836N National Semiconductor Quad NOR Unified Bus Receiver IC 8836 - NOS Qty 1 | eBay
LM4910MM Datasheet(PDF) - National Semiconductor (TI)
LM4865M/NOPB National Semiconductor | Integrated Circuits (ICs) | DigiKey Marketplace
Amazon.com: Douk Audio U3 Headphone Amps, Mini Hi-Fi Amplifier for Home Desktop PC 6.35mm / 3.5mm Headsets, Class A, RCA Input, DC 5V : Electronics
LM1458 MC1458 TBB1458 National Semiconductor Siemens Motorola Operat. Amp. NOS | eBay
LM4811MMX/NOPB National Semiconductor | Integrated Circuits (ICs) | DigiKey Marketplace
LM4863 Dual 1.1W Audio Amplifier plus Stereo Headphone Function
Amazon.com: Douk Audio U3 Headphone Amps, Mini Hi-Fi Amplifier for Home Desktop PC 6.35mm / 3.5mm Headsets, Class A, RCA Input, DC 5V : Electronics
LM4865MX SMT 1W Mono Audio Amplifier IC National Semiconductor®
NATIONAL SEMICONDUCTOR MM74HC109AN NATIONAL SEMICONDUCTOR IC J-K FLIP-FLOP | eBay
Amazon.com: Juried Engineering RC4558P IC Operational Amplifier & 8-Pin DIP Sockets with Machined Contact Pins Breadboard-Friendly (Pack of 12) : Industrial & Scientific
LM1877N-9 National Semiconductor Audio Amplifier LM1877 (NOS IC, many available) | eBay
LM48860TLX/NOPB National Semiconductor | Integrated Circuits (ICs) | DigiKey Marketplace
LM4910 Datasheet | National Semiconductor - Datasheetspdf.com
File:Lifetec LT9303 - Motherboard - National Semiconductor LM4863M-1133.jpg - Wikimedia Commons
PDF) LM4910 Datasheet - Output Capacitor-less Stereo 35mW Headphone Amplifier
Stereo Headphone Amplifier Circuit Based LM4910 IC » CircuitsZone.com
File:AST Research Ascentia A Series - audio board - National Semiconductor LM4863M-9907.jpg - Wikimedia Commons
LM4663 Datasheet(PDF) - National Semiconductor (TI)
