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INTEGRATED CIRCUITS 74F257A Quad 2-line to 1-line selector/multiplexer, non-inverting (3-State) Product specification 1995 Mar 31 IC15 Data Handbook Philips Semiconductors...
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SF00673 the common Select input is High. Data appears at the outputs in true non-inverted form from the selected inputs. The 74F257A is the logic implementation of a 4-pole, 2-position switch where the position of the switch is determined by the logic levels supplied to the common Slect input.
Philips Semiconductors Product specification Quad 2-line to 1-line selector/multiplexer, non-inverting 74F257A (3-State) LOGIC DIAGRAM FUNCTION TABLE INPUTS OUTPUT High voltage level Low voltage level Don’t care High impedance “off” state = Pin 16 GND = Pin 8 SF00676 APPLICATION ENABLE...
Philips Semiconductors Product specification Quad 2-line to 1-line selector/multiplexer, non-inverting 74F257A (3-State) ABSOLUTE MAXIMUM RATINGS (Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.)
Philips Semiconductors Product specification Quad 2-line to 1-line selector/multiplexer, non-inverting 74F257A (3-State) DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) LIMITS SYMBOL SYMBOL PARAMETER PARAMETER TEST CONDITIONS TEST CONDITIONS UNIT UNIT 10%V = MIN, V = MAX,...
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Philips Semiconductors Product specification Quad 2-line to 1-line selector/multiplexer, non-inverting 74F257A (3-State) AC WAVEFORMS For all waveforms, V = 1.5V. In or S SF00679 Waveform 1. Propagation Delay, Data and Select to Output –0.3V +0.3V SF00213 SF00214 Waveform 2. 3-State Output Enable Time to High Level and Waveform 3.