MC54F138 - 1-OF-8 DECODER/ DEMULTIPLEXER

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Motorola

Part number	MC54F138
Manufacturer	Motorola
File Size	206.28 KB
Description	1-OF-8 DECODER/ DEMULTIPLEXER
Datasheet	MC54F138 Datasheet
Additional preview pages of the MC54F138 datasheet.

The decoder accepts three binary weighted inputs (AO, A1, A2) and when enabled provides eight mutually exclusive active LOW outputs (O0 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 F138s and one inverter. The F138 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 used must be permanen.

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Published: Sep 28, 2006 |