R series PDP-8 board information and picture r113.jpg

R series PDP-8 board information and Picture R113 NAND/NOR Gate

Current size small. Select new size for picture Small ( 28K) Medium ( 58K) Large (228K)

This board contains five gates. The N in NAND/NOR stands for NOT. The gates output have an inverter so they perform the logic NOT AND for active low or NOT OR for active high signals. The later TTL 7400 quad NAND gate performs a similar function to this board.
This board cost $20 in 1968.

Schematic of board as a scanned PDF file.

Back of board ( 28K)

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Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with. I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation.

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