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74AC16244DLR Folha de dados(PDF) 6 Page - Texas Instruments |
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74AC16244DLR Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 12 page 54AC16244, 74AC16244 16-BIT BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS SCAS120A – MARCH 1990 – REVISED APRIL 1996 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 50% VCC tPLH tPHL tPHL tPLH VOH VOH VOL VOL 50% 50% VCC 0 V 50% VCC 50% VCC Input Out-of-Phase Output In-Phase Output 50% VCC VOLTAGE WAVEFORMS From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω 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 50% 50% [ VCC 0 V 50% VCC 20% VCC 50% VCC 80% VCC [ 0 V VCC GND Open VOLTAGE WAVEFORMS tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND TEST S1 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 |
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Descrição semelhante - 74AC16244DLR |
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