74138 - LOW POWER SCHOTTKY

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ON Semiconductor

Part number	74138
Manufacturer	ON Semiconductor
File Size	124.92 KB
Description	LOW POWER SCHOTTKY
Datasheet	74138 Datasheet
Additional preview pages of the 74138 datasheet.

The LS138 is a high speed 1-of-8 Decoder/Demultiplexer fabricated with the low power Schottky barrier diode process. O7).

three Enable inputs, two active LOW (E1, E2) and one active HIGH (E3). All outputs will be HIGH unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion of the device to a 1-of-32 (5 lines to 32 lines) decoder with just four LS138s and one inverter. (See Figure a. ) The LS138 can be used as an 8-output demultiplexer by using one of the active LOW Enable inputs as the data input and the other Enable inputs as strobes. The Enable inputs which are not us.

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Published: Apr 3, 2005 |