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74ABT16646 数据表(PDF) 9 Page - NXP Semiconductors |
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74ABT16646 数据表(HTML) 9 Page - NXP Semiconductors |
9 / 12 page Philips Semiconductors Product specification 74ABT16646 74ABTH16646 16-bit bus transceiver/register (3-State) 1998 Feb 27 9 AC WAVEFORMS (Continued) VM = 1.5V, VIN = GND to 3.0V VM tPHL tPLH VM VM VM nSBA or nSAB nAx or nBx SH00032 3.0V or VCC 0V VOH VOL Waveform 3. Propagation Delay, nSBA to nAx or nSAB to nBx VM nAx or nBx VM VM VM VM VM nCPBA or nCPAB ts(H) th(H) ts(L) th(L) SH00033 NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance. 3.0V or VCC 0V 3.0V or VCC 0V Waveform 4. Data Setup and Hold Times nOE, nDIR VM tPZH tPHZ 0V VY VM VM nAx or nBx nDIR VOH SH00034 0V 3.0V or VCC whichever is less Waveform 5. 3–State Output Enable Time to High Level and Output Disable Time from High Level tPZL tPLZ 0V VX VM VM VM nOE, nDIR nAx or nBx nDIR SH00035 VOL 3.0V or VCC 0V 3.0V or VCC Waveform 6. 3–State Output Enable Time to Low Level and Output Disable Time from Low Level TEST CIRCUIT AND WAVEFORMS PULSE GENERATOR RT VIN D.U.T. VOUT 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/H16 3.0V 1MHz 500ns 2.5ns 2.5ns SWITCH POSITION TEST SWITCH tPLZ closed tPZL closed All other open SA00018 CL |
类似零件编号 - 74ABT16646 |
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类似说明 - 74ABT16646 |
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