- 4000B Series CMOS Functional Diagrams - Functional diagrams and pinouts on the CD4000 series of chips.
- Alltheic - Semiconductor and electronics parts search engine and datasheet.
- ATM + DSL Chips and Modems - The ATM and DSL Chip Web is a description and link database on IC (chip) and network interface card (NIC) / modem implementations.
- Chip Directory - Chip lists, chip pinouts and lists of manufacturers, electronics books, CDROM's, magazines.
- DSL Chips and Modems - Description and link database on chips and modem implementations for DSL.
- The Giant Internet IC Masturbator (GIICM) - Chip pin-outs, reference information, 74 series, to opamps and microcontroller chips.
