전자부품 데이터시트 검색엔진 |
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74ACT11827DW 데이터시트(PDF) 4 Page - Texas Instruments |
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74ACT11827DW 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 5 page 54ACT11827, 74ACT11827 10-BIT BUFFERS/BUS DRIVERS WITH 3-STATE OUTPUTS SCAS078 – NOVEMBER 1989 – REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 54ACT11827 74ACT11827 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A Y 3.8 6.3 8 3.8 9.9 3.8 9.2 ns tPHL A Y 2.7 6.9 9.5 2.7 11.9 2.7 11.2 ns tPZH G Y 2.6 6.4 9.2 2.6 12.2 2.6 11.3 ns tPZL G Y 3.2 8 11.2 3.2 15.1 3.2 14 ns tPHZ G Y 6.1 8.8 11.1 6.1 12.9 6.1 12 ns tPLZ G Y 5.8 8.3 10.6 5.8 12.4 5.8 11.6 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C d Power dissipation capacitance Outputs enabled CL =50 pF f=1MHz 35 pF Cpd Power dissipation capacitance Outputs disabled CL = 50 pF, f = 1 MHz 10 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 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 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND 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 PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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