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74F862 датащи(PDF) 8 Page - NXP Semiconductors |
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74F862 датащи(HTML) 8 Page - NXP Semiconductors |
8 / 12 page Philips Semiconductors Product specification 74F862, 74F863 Bus transceivers (3-State) 2000 Mar 24 8 AC WAVEFORMS VM VM VM VM Bn, An An, Bn tPLH tPHL SF00202 Waveform 1. Propagation Delay for Non-inverting Output An or Bn Bn or An tPLH VM VM VM VM tPHL SF00534 Waveform 2. Propagation Delay for Inverting Output An, Bn OEBAn OEABn tPZH VM VM VM tPHZ VOH –0.3 V SF00535 0 V Waveform 3. 3-State Output Enable Time to High Level and Output Disable Time from High Level An, Bn OEBAn OEABn tPZL VM VM VM tPLZ VOL +0.3 V SF00536 Waveform 4. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level NOTE: For all waveforms, VM = 1.5V. TEST CIRCUITS AND WAVEFORMS 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 Open Collector 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 SF00128 TEST SWITCH tPLZ closed tPZL closed All other open SWITCH POSITION |
Аналогичный номер детали - 74F862 |
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Аналогичное описание - 74F862 |
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