Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74ABT543ADB Datenblatt(PDF) 6 Page - Texas Instruments |
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SN74ABT543ADB Datenblatt(HTML) 6 Page - Texas Instruments |
6 / 7 page SN74ABT543A OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS SCBS464A – JUNE 1992 – REVISED JUNE 1994 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 1.5 V th tsu From Output Under Test CL = 50 pF LOAD CIRCUIT FOR OUTPUTS S1 7 V Open GND 500 Ω 500 Ω Data Input Timing Input 1.5 V 3 V 0 V 1.5 V 1.5 V 3 V 0 V 3 V 0 V 1.5 V 1.5 V tw Input (see Note A) VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING AND NONINVERTING OUTPUTS VOLTAGE WAVEFORMS PULSE DURATION tPLH tPHL tPHL tPLH VOH VOH VOL VOL 1.5 V 1.5 V 3 V 0 V 1.5 V 1.5 V Input (see Note B) 1.5 V Output Control Output Waveform 1 S1 at 7 V (see Note C) Output Waveform 2 S1 at Open (see Note C) VOL VOH tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V 3.5 V 0 V 1.5 V VOL + 0.3 V 1.5 V VOH – 0.3 V [ 0 V 3 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLING Output Output tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 7 V Open TEST S1 NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. C. 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. D. The outputs are measured one at a time with one transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
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