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74ACT11828 Datasheet(PDF) 4 Page - Texas Instruments |
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74ACT11828 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 5 page 54ACT11828, 74ACT11828 10BIT BUFFERS/BUS DRIVERS WITH 3STATE OUTPUTS SCAS092 − D3387, APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−4 switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54ACT11828 74ACT11828 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B Y 1.9 5.6 8.3 1.9 10.9 1.9 10.2 ns tPHL A or B Y 5.2 8 10.3 5.2 12.4 5.2 11.7 ns tPZH G1 or G2 Y 2.9 7 9.9 2.9 13 2.9 12.1 ns tPZL G1 or G2 Y 3.4 8.3 11.4 3.4 15.8 3.4 14.7 ns tPHZ G1 or G2 Y 6 9 11.3 6 12.9 6 12.3 ns tPLZ G1 or G2 Y 5.9 8.5 10.9 5.9 12.3 5.9 11.7 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance Outputs enabled CL = 50 pF, f = 1 MHz 37 pF Cpd Power dissipation capacitance Outputs disabled CL = 50 pF, f = 1 MHz 11 pF PARAMETER MEASUREMENT INFORMATION From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND tPHL tPLH Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCC (see Note C) Output Waveform 2 S1 at GND (see Note C) VOL VOH tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V 1.5 V 1.5 V [ VCC 3 V 0 V 50% VCC 50% VCC VOH VOL 0 V 50% VCC 20% VCC 50% VCC 80% VCC [ 0 V 3 V GND Open Input (see Note B) Output VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS 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 = 3 ns, tf = 3 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 input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
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