Dual Flip Flop 4209J System Building Block, DEC, 1964

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  • Details
  • Description
Date Introduced
1964
Photographer
Richards, Mark
Dimensions
1/2 x 6 1/2 x 4 1/2 in.
Manufacturer
Digital Equipment Corporation (DEC)
Copyright Owner
© Mark Richards
Object ID
102647854

Computers began using transistors in the late 1950s, ending the vacuum tube computer era. Transistors were smaller, cheaper, used far less power, and were more reliable. At least two transistors are needed to make a flip-flop.