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74AC11257 데이터시트(PDF) 5 Page - Texas Instruments |
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74AC11257 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 12 page 74AC11257 QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER WITH 3STATE OUTPUTS SCAS049C − MARCH 1989 − REVISED MAY 2004 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 50% VCC tPLH tPHL tPHL tPLH VOH VOH VOL VOL 50% 50% VCC 0 V 50% VCC 50% VCC Input Out-of-Phase Output In-Phase Output 50% VCC VOLTAGE WAVEFORMS From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCC (see Note B) Output Waveform 2 S1 at GND (see Note B) VOL VOH tPZL tPZH tPLZ tPHZ 50% 50% [ VCC 0 V 50% VCC 20% VCC 50% VCC 80% VCC [ 0 V VCC GND Open VOLTAGE WAVEFORMS tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND TEST S1 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, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. D. The outputs are measured one at a time, with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
유사한 부품 번호 - 74AC11257 |
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유사한 설명 - 74AC11257 |
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