This Schottky memory is organized in the popular 512 words by 8 bits configuration. A memory enable input is provided to control the output states. When the device is enabled, the outputs represent the contents of the selected word. When disabled, the 8 outputs go to the ``OFF'' or high impedance state.
PROMs are shipped from the factory with lows in all locations. A high may be programmed into any selected location by following the programming instructions.
Advanced titanium-tungsten (Ti-W) fuses
Schottky-clamped for high speed
Address accessÐ45 ns max
Enable accessÐ30 ns max
Enable recoveryÐ30 ns max
PNP inputs for reduced input loading
All DC and AC parameters guaranteed over temperature
Low voltage TRI-SAFE™ programming