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CD74HCT157E 数据表(PDF) 6 Page - Texas Instruments |
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CD74HCT157E 数据表(HTML) 6 Page - Texas Instruments |
6 / 13 page 6 Test Circuits and Waveforms FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGA- TION DELAY TIMES, COMBINATION LOGIC FIGURE 2. HCT TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC tr = 6ns tf = 6ns 90% tPHL tPLH tTHL tTLH 2.7V 1.3V 0.3V 1.3V 10% INVERTING OUTPUT INPUT GND 3V tr = 6ns tf = 6ns 90% CD54/74HC157, CD54/74HCT157, CD54/74HC158, CD54/74HCT158 |
类似零件编号 - CD74HCT157E |
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类似说明 - CD74HCT157E |
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