Amazon.com: Maxim integrado MAX232CPE + MAX232 (Serie 120 kbps 5.5 V montaje en superficie RS-232 transceptor – pdip-16 – 25 – Altavoces con Bluetooth y función manos libres. : Industrial y Científico
MAX232: The classic IC lives on since 1988 - EDN
Portable MAX 232 IC Tester | Elektor Magazine
What is MAX232? Construction, Working, Types and Applications