Nsignetics 25120 write-only memory books

Instead of the more conventional characteristic curves, the 25120 fully encoded, 9046. Our pr guy, roy twitty, caught the fever and prepared a hilarious press release to hit april 1, 1973. According to this wikipedia article, it was created by john jack curtis. We passed the writeonly memory data sheet around the office and to our salesmen and found it had possibilities. The write only memory was a fake part signetics introduced april fools day many decades ago. The joker behind the signetics 25120 writeonly memory chip hoax. By some definitions, a wom is a memory device which can be written but never read. Now and in years past, electronic engineers and hobbyists alike have enjoyed the classic 1972 april fools joke by signetics of the signetics 25120 writeonly memory chip. Interestingly the address in the datasheet, i think, was the original site. The joker behind the signetics 25120 writeonly memory. Signetics 25120 9046xn random access writeonlymemory. Out of frustration with the long and seemingly useless chain of approvals required of component specifications, during which no actual checking seemed to occur, an engineer at signetics once created a specification for a writeonly memory and included it with a. The spoof data sheet was included in the signetics data book intentionally.

Writeonly memory article about writeonly memory by the. Writeonly memory wom is the opposite of readonly memory rom. Writeonly memory has been one of the best practical jokes on the. The signetics 25000 series 9c46xn random access write. Remove read only write protection on micro sd 2gb memory card. I wrote the 25120 wom data sheet, ed in 1972, as a lark to see what a signetics wom specification might look like. My better firmware faster seminar will teach your team how to operate at a worldclass level, producing code with far fewer bugs in less. A subreddit dedicated to news, articles and general discussions related to electronic systems and circuits. Signetics shortly printed up new corrected databooks, without any woms, and. Signetics 25120 fully encoded, 9046 x n, random access writeonly memory cool product report.

This being april 1, 2017, it seems to be an appropriate day to post the signetics 25120 fully encoded, 9046 x n, random access writeonly memory datasheet that per wikipedia. The real story of the writeonlymemory wom i worked at signetics as an engineer from about 1967 to 1979. The 25120 is easily cooled by the employment of a six foot fan. De1soc computer system with nios ii 1introduction 2de1. Signetics write only memory 25120 datasheet bald engineer.