74LS503 register equivalent, 8-bit successive approximation register.
* Performs serial-to-parallel conversion
* Expansion control for longer words
* Storage and control for successive approximation A to D
conversion
* Low p.
The DM74LS503 register has an active LOW Enable (E) input that is used in cascading two or more packages for longer word lengths. A HIGH signal on E, after a START operation, forces Q7 HIGH and prevents the device from accepting serial data. With the.
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