74F139

INTEGRATED CIRCUITS 74F139 Dual 1-of-4 decoder/demultiplexer Product specification IC15 Data Handbook 1990 Feb 23 Philips Semiconductors Philips Semiconductors Product specification 1-of-4 decoder/demultiplexer 74F139 FEATURES Demultiplexing capability Two independent 1-of-4 decoders Multifunction capability DESCRIPTION The 74F139 is a high speed, dual 1-of-4 decoder/demultiplexer. This device has two independent decoders, each accepting two binary weighted inputs (A0n, A1n) and providing four mutually exclusive active-Low outputs (Q0n–Q3n). Each decoder has an active-Low Enable (E). When E is High, every output is forced High. The Enable can be used as the Data input for a 1-of-4 demultiplexer application. TYPE TYPICAL PROPAGATION DELAY 5.3ns TYPICAL SUPPLY CURRENT (TOTAL) 13mA PIN CONFIGURATION Ea A0a A1a Q0a Q1a Q2a Q3a GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC Eb A0b A1b Q0b Q1b Q2b Q3b SF00129 ORDERING INFORMATION DESCRIPTION 16-pin plastic DIP 16-pin plastic SO COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F139N N74F139D PKG DWG # SOT38-4 SOT109-1 74F139 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS Ana, Anb Ea, Eb Q0n–Q3n Address inputs Enable inputs (active Low) Data outputs (active Low) DESCRIPTION 74F (U.L.) HIGH/LOW 1.0/1.0 1.0/1.0 50/33 LOAD VALUE HIGH/LOW 20µA/0.6mA 20µA/0.6mA 1.0mA/20mA NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state. LOGIC SYMBOL 1 2 3 15 14 13 IEC/IEEE SYMBOL...