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SN74F86 Datasheet(PDF) 4 Page - Texas Instruments |
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SN74F86 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 5 page SN54F86, SN74F86 QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES SDFS019B – JANUARY 1989 – REVISED JANUARY 1997 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION From Output Under Test Test Point R1 CL (see Note A) LOAD CIRCUIT FOR TOTEM-POLE OUTPUTS LOAD CIRCUIT FOR 3-STATE AND OPEN-COLLECTOR OUTPUTS R1 S1 7 V (tPZL, tPLZ, O.C.) Open (all others) From Output Under Test Test Point R2 CL (see Note A) RL = R1 = R2 1.5 V 1.5 V 1.5 V 3 V 3 V 0 V 0 V th tsu VOLTAGE WAVEFORMS SETUP AND HOLD TIMES Timing Input (see Note C) Data Input (see Note C) 1.5 V 1.5 V 3 V 3 V 0 V 0 V High-Level Pulse (see Note C) Low-Level Pulse tw VOLTAGE WAVEFORMS PULSE DURATION 1.5 V 1.5 V tPHL tPLH tPLH tPHL Input (see Note C) Out-of-Phase Output (see Note E) 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 3 V 0 V VOL VOH VOH VOL In-Phase Output (see Note E) VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES (see Note D) tPHZ tPLZ 0.3 V tPZL tPZH 1.5 V 1.5 V 1.5 V 1.5 V 3 V 0 V Output Control (low-level enable) Waveform 1 (see Notes B and E) Waveform 2 (see Notes B and E) 0 V VOH VOL 3.5 V 0.3 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS 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, tr = tf ≤ 2.5 ns, duty cycle = 50%. D. When measuring propagation delay times of 3-state outputs, switch S1 is open. E. The outputs are measured one at a time with one transition per measurement. Figure 1. Load Circuits and Voltage Waveforms |
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