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74ABT657 Folha de dados(PDF) 8 Page - NXP Semiconductors |
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74ABT657 Folha de dados(HTML) 8 Page - NXP Semiconductors |
8 / 11 page Philips Semiconductors Product specification 74ABT657 Octal transceiver with parity generator/checker (3-State) 1995 Dec 11 8 TEST CIRCUIT AND WAVEFORM PULSE GENERATOR RT VIN VOUT CL RL VCC RL 7.0V Test Circuit for 3-State Outputs VM VM tW AMP (V) NEGATIVE PULSE 10% 10% 90% 90% 0V VM VM tW AMP (V) POSITIVE PULSE 90% 90% 10% 10% 0V tTHL (tF) tTLH (tR)tTHL (tF) tTLH (tR) VM = 1.5V Input Pulse Definition DEFINITIONS RL = Load resistor; see AC CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance; see AC CHARACTERISTICS for value. RT = Termination resistance should be equal to ZOUT of pulse generators. INPUT PULSE REQUIREMENTS FAMILY Amplitude Rep. Rate tW tR tF 74ABT 3.0V 1MHz 500ns 2.5ns 2.5ns SWITCH POSITION TEST SWITCH tPLZ closed tPZL closed All other open SA00012 D.U.T. |
Nº de peça semelhante - 74ABT657 |
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Descrição semelhante - 74ABT657 |
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