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74LVC374A датащи(PDF) 7 Page - NXP Semiconductors |
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74LVC374A датащи(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74LVC374A Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger (3-State) 1998 Jul 29 7 AC WAVEFORMS VM = 1.5V at VCC w 2.7V; VM = 0.5 VCC at VCC t 2.7V. VOL and VOH are the typical output voltage drop that occur with the output load. VX = VOL + 0.3V at VCC w 2.7V; VX = VOL + 0.1 VCC at VCC t 2.7V VY = VOH –0.3V at VCC w 2.7V; VY = VOH – 0.1 VCC at VCC t 2.7V tw tPLH CP INPUT Qn OUTPUT VM VM VM VM VM VI GND VOH VOL SA00394 tPHL 1/fmax Waveform 1. Clock (CP) to output (Qn) propagation delays, the clock pulse width, output transition times and the maximum clock pulse frequency. VM SW00107 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 2. Data setup and hold times for the Dn input to the CP input. tPLZ tPZL VI nOE INPUT GND VCC Qn OUTPUT LOW-to-OFF OFF-to-LOW VOL VOH Qn OUTPUT HIGH-to-OFF OFF-to-HIGH GND outputs enabled outputs enabled outputs disabled tPHZ VM VM VM tPZH VX VY SW00207 Waveform 3. 3-State enable and disable times. TEST CIRCUIT PULSE GENERATOR VI RT D.U.T. VO CL 50pF S1 2 x VCC Open GND 500 Ω 500 Ω VCC VI t 2.7V VCC 2.7V – 3.6V 2.7V Test S1 GND tPLZ/tPZL 2 x VCC tPHZ/tPZH tPLH/tPHL Open SY00003 VCC Waveform 4. Load circuitry for switching times. |
Аналогичный номер детали - 74LVC374A |
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Аналогичное описание - 74LVC374A |
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