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74F258A Folha de dados(PDF) 5 Page - NXP Semiconductors |
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74F258A Folha de dados(HTML) 5 Page - NXP Semiconductors |
5 / 8 page Philips Semiconductors Product specification 74F258A Quad 2-line to 1-line selector/multiplexer, inverting (3-State) 1996 Jan 05 5 AC WAVEFORMS For all waveforms, VM = 1.5V. VM VM VM VM In Yn tPLH tPHL SF00819 Waveform 1. Propagation Delay Data and Select to Output VM VM VM VM S Yn tPLH tPHL SF00820 Waveform 2. Propagation Delay Select to Output VM VM VM tPHZ tPZH OE VOH -0.3V 0V Yn SF00821 Waveform 3. 3-State Output Enable Time to High Level and Output Disable Time from High Level VM VM VM tPLZ tPZL OE VOL +0.3V Yn SF00822 Waveform 4. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level TEST CIRCUIT AND WAVEFORM tw 90% VM 10% 90% VM 10% 90% VM 10% 90% VM 10% NEGATIVE PULSE POSITIVE PULSE tw AMP (V) 0V 0V tTHL (tf ) INPUT PULSE REQUIREMENTS rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns Input Pulse Definition VCC family 74F D.U.T. PULSE GENERATOR RL CL RT VIN VOUT Test Circuit for 3-State Outputs DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. tTHL (tf ) tTLH (tr ) tTLH (tr ) AMP (V) amplitude 3.0V 1.5V VM RL 7.0V SF00777 TEST SWITCH tPLZ closed tPZL closed All other open SWITCH POSITION |
Nº de peça semelhante - 74F258A |
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Descrição semelhante - 74F258A |
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