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CD74ACT157PWG4 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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CD74ACT157PWG4 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 23 page CD74ACT157 QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER SCHS340B − MARCH 2003 - REVISED JUNE 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) TA = 25°C −55 °C to 125 °C −40 °C to 85 °C UNIT MIN MAX MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 2 V VIL Low-level input voltage 0.8 0.8 0.8 V VI Input voltage 0 VCC 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC 0 VCC V IOH High-level output current −24 −24 −24 mA IOL Low-level output current 24 24 24 mA ∆t/∆v Input transition rise or fall rate 10 10 10 ns/V NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C −55 °C to 125 °C −40 °C to 85 °C UNIT PARAMETER TEST CONDITIONS VCC MIN MAX MIN MAX MIN MAX UNIT IOH = −50 µA 4.5 V 4.4 4.4 4.4 VOH VI = VIH or VIL IOH = −24 mA 4.5 V 3.94 3.7 3.8 V VOH VI = VIH or VIL IOH = −50 mA† 5.5 V 3.85 V IOH = −75 mA† 5.5 V 3.85 IOL = 50 µA 4.5 V 0.1 0.1 0.1 VOL VI = VIH or VIL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V VOL VI = VIH or VIL IOL = 50 mA† 5.5 V 1.65 V IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 160 80 µA DICC‡ VI = VCC − 2.1 V 4.5 V to 5.5 V 2.4 3 2.8 mA Ci 10 10 10 pF † Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize power dissipation. Test verifies a minimum 50- Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C. ‡ Additional quiescent supply current per input pin, TTL inputs high, 1 unit load ACT INPUT LOADING TABLE INPUT UNIT LOAD A or B 0.37 G 0.83 A/B 1.33 Unit load is ∆ICC limit specified in electrical characteristics table (e.g., 2.4 mA at 25 °C). |
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