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SN74ACT573DBR Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74ACT573DBR Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 22 page SN54ACT573, SN74ACT573 OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS SCAS538D − OCTOBER 1995 − REVISED OCTOBER 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54ACT573 SN74ACT573 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V IOH High-level output current −24 −24 mA IOL Low-level output current 24 24 mA Δt/Δv Input transition rise or fall rate 8 8 ns/V TA Operating free-air temperature −55 125 −40 85 °C 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 V TA = 25°C SN54ACT573 SN74ACT573 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT I 50 A 4.5 V 4.4 4.49 4.4 4.4 IOH = −50 μA 5.5 V 5.4 5.49 5.4 5.4 V I 24 mA 4.5 V 3.86 3.7 3.76 V VOH IOH = − 24 mA 5.5 V 4.86 4.7 4.76 V IOH = −50 mA† 5.5 V 3.85 IOH = −75 mA† 5.5 V 3.85 I 50 A 4.5 V 0.1 0.1 0.1 IOL = 50 μA 5.5 V 0.1 0.1 0.1 V I 24 mA 4.5 V 0.36 0.44 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.44 0.44 V IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 IOZ VO = VCC or GND 5.5 V ±0.25 ±5 ±2.5 μA II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 μA ICC VI = VCC or GND, IO = 0 5.5 V 4 80 40 μA ΔI ‡ One input at 3.4 V, 55V 06 15 15 mA ΔICC‡ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.6 1.5 1.5 mA Ci VI = VCC or GND 5 V 5 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54ACT573 SN74ACT573 UNIT MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration, LE high 3.5 5 4 ns tsu Setup time, data before LE ↓ 3 4.5 3.5 ns th Hold time, data after LE ↓ 0 1 0 ns |
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