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74ACT11240NT Folha de dados(PDF) 4 Page - Texas Instruments |
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74ACT11240NT Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 12 page 74ACT11240 OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS SCAS210A − MAY 1987 − REVISED APRIL 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION tPHL tPLH Output Input 1.5 V 1.5 V 3 V 0 V 50% VCC 50% VCC VOH VOL tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND TEST S1 VOLTAGE WAVEFORMS From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω GND Open Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCC (see Note B) Output Waveform 2 S1 at GND (see Note B) VOL VOH tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V [ VCC 0 V 50% VCC 20% VCC 50% VCC 80% VCC [ 0 V 3 V VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. D. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
Nº de peça semelhante - 74ACT11240NT |
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Descrição semelhante - 74ACT11240NT |
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