Robert T. Paynter, Introductory Electronic Devices and Circuits, Prentice-Hall Inc., Upper Saddle River, New Jersey, 1997
Floyd, Digital Fundamentals, Prentice-Hall Inc., Upper Saddle River, New Jersey, 2000
Futurlec Electronic Components http://www.futurlec.com/IC7447.html
Philips Semiconductors http://www.semiconductors.philips.com/pip/2n2222_cnv_2
Lattice Semiconductor Corporation, Feb 1999 http://www.latticesemi.com/lit/docs/military/22v10mil.pdf
Electronics in Meccano � The 555 Timer http://www.eleinmec.com/printerpage.asp?1
Electronics in Meccano � The 555 Astable Circuit http://www.eleinmec.com/article.asp?3 |