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74LV240PWDH Folha de dados(PDF) 6 Page - NXP Semiconductors |
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74LV240PWDH Folha de dados(HTML) 6 Page - NXP Semiconductors |
6 / 12 page Philips Semiconductors Product specification 74LV240 Octal buffer/line driver; inverting (3-State) 1998 May 20 6 AC CHARACTERISTICS GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KΩ CONDITION LIMITS SYMBOL PARAMETER WAVEFORM CONDITION –40 to +85 °C –40 to +125 °C UNIT VCC(V) MIN TYP1 MAX MIN MAX 1.2 55 Propagation delay 2.0 19 24 31 tPHL/tPLH Pro agation delay 1An to 1Yn; 2A to 2Y Figures 1 2.7 14 18 23 ns 2An to 2Yn 3.0 to 3.6 102 14 18 4.5 to 5.5 12 15 1.2 70 3-State output enable time 2.0 24 32 41 tPZH/tPZL 3-State out ut enable time 1OE to 1Yn; 2OE to 2Y Figures 2 2.7 18 24 30 ns 2OE to 2Yn 3.0 to 3.6 132 19 24 4.5 to 5.5 16 20 1.2 65 3-State output disable time 2.0 24 29 36 tPHZ/tPLZ 3-State out ut disable time 1OE to 1Yn; 2OE to 2Y Figures 2 2.7 18 22 27 ns 2OE to 2Yn 3.0 to 3.6 142 18 22 4.5 to 5.5 15 18 NOTES: 1. Unless otherwise stated, all typical values are measured at Tamb = 25°C 2. Typical values are measured at VCC = 3.3 V. AC WAVEFORMS VM = 1.5V at VCC ≥ 2.7V and ≤ 3.6V; VM = 0.5V × VCC at VCC < 2.7V and ≥ 4.5V. VOL and VOH are the typical output voltage drop that occur with the output load. VX = VOL + 0.3V at VCC ≥ 2.7V and ≤ 3.6V VX = VOL + 0.1V × VCC at VCC < 2.7V and 4.5V VY = VOH – 0.3V at VCC ≥ 2.7V and ≤ 3.6V VY = VOH – 0.1 × VCC at VCC < 2.7V and ≥ 4.5V SV00612 VM 1An , 2An INPUT 1Yn, 2Yn OUTPUT VM tPLH tPHL GND VOL VI VOH Figure 1. Input (1An, 2An) to output (1Yn, 2Yn) propagation delays. SV00613 outputs disabled outputs enabled outputs enabled tPHZ tPZH tPZL tPLZ Qn OUTPUT HIGH-to-OFF OFF-to-HIGH Qn OUTPUT LOW-to-OFF OFF-to-LOW VM VM nOE INPUT VX VOL VOH VY GND GND VCC VI VM Figure 2. 3-State enable and disable times. |
Nº de peça semelhante - 74LV240PWDH |
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Descrição semelhante - 74LV240PWDH |
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