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SN74F2373N датащи(PDF) 5 Page - Texas Instruments |
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SN74F2373N датащи(HTML) 5 Page - Texas Instruments |
5 / 6 page SN74F2373 25- Ω OCTAL TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS SDFS100 – JANUARY 1996 5 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 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 3 V 0 V Output Control (low-level enable) 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 Waveform 1 (see Notes B and E) 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 Circuit and Voltage Waveforms |
Аналогичный номер детали - SN74F2373N |
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Аналогичное описание - SN74F2373N |
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