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74ALVCH16374 데이터시트(PDF) 8 Page - NXP Semiconductors |
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74ALVCH16374 데이터시트(HTML) 8 Page - NXP Semiconductors |
8 / 12 page Philips Semiconductors Product specification 74ALVCH16374 16-bit edge-triggered D-type flip-flop (3-State) 1998 Jun 18 8 AC WAVEFORMS FOR VCC = 2.3V TO 2.7V AND VCC < 2.3V RANGE VM = 0.5 VCC VX = VOL + 0.15V VY = VOH –0.15V VOL and VOH are the typical output voltage drop that occur with the output load. V I = VCC AC WAVEFORMS FOR VCC = 3.0V TO 3.6V AND VCC = 2.7V RANGE VM = 1.5 V VX = VOL + 0.3V VY = VOH –0.3V VOL and VOH are the typical output voltage drop that occur with the output load. V I = 2.7V VM VM 1/fMAX tw tPHL tPLH CP INPUT Qn OUTPUT SW00078 GND VOH VOL VI Waveform 1. Clock (CP) to output (Qn) propagation delays, the clock pulse width and the maximum clock pulse frequency tPLZ tPZL VI OE INPUT GND VCC OUTPUT LOW-to-OFF OFF-to-LOW VOL VOH OUTPUT HIGH-to-OFF OFF-to-HIGH GND outputs enabled outputs enabled outputs disabled tPHZ VM VM VM tPZH VX VY SW00072 VM Waveform 2. 3-State enable and disable times VM SW00079 VI GND VM Dn INPUT VI GND VM VOH Qn OUTPUT VOL CP INPUT tsu th tsu th NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance. Waveform 3. Data set-up and hold times for the Dn input to the CP input TEST CIRCUIT SWITCH POSITION PULSE GENERATOR RT VI D.U.T. VO CL VCC RL = 500 Ω Test Circuit for switching times Open GND S1 DEFINITIONS VCC VI < 2.7V VCC TEST S1 tPLH/tPHL Open RL = Load resistor CL = Load capacitance includes jig and probe capacitance RT = Termination resistance should be equal to ZOUT of pulse generators. 2 < VCC tPLZ/tPZL 2.7V 2.7–3.6V tPHZ/tPZH GND RL = 500 Ω 2 * VCC SV00906 Waveform 4. Load circuitry for switching times |
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