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MC54F539

Motorola
Part Number MC54F539
Manufacturer Motorola
Description DUAL 1-OF-4 DECODER
Published Dec 11, 2016
Detailed Description DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS The MC54 / 74F539 contains two independent decoders. Each accepts two Address (...
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MC54F539
MC54F539

Overview
DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS The MC54 / 74F539 contains two independent decoders.
Each accepts two Address (A0 – A1) input signals and decodes them to select one of four mutually exclusive outputs.
A polarity control input (P) determines whether the outputs are active HIGH (P = L) or active LOW (P = H).
An active LOW input Enable (E) is available for data demultiplexing; data is routed to the selected output in non-inverted form in the active LOW mode or in inverted form in the active HIGH mode.
A HIGH Signal on the active LOW Output Enable (OE) input forces the 3-state outputs to the high impedance state.
• Demultiplexing Capability • 3-State Outputs • Two Completely Independent 1-of-4 Decoders • Input Clamp Diodes Limit High Speed Termination Effects • ESD Protection > 4000 Volts CONNECTION DIAGRAM DIP (TOP VIEW) VCC O3b A1b A0b Eb Ea OEa Pa O0a O1a 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 O2b O1b O0b Pb OEb A0a A1a O3a O2a GND LOGIC DIAGRAM (1/2 SHO...


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