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SN74AVC245 数据表(PDF) 5 Page - Texas Instruments |
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SN74AVC245 数据表(HTML) 5 Page - Texas Instruments |
5 / 11 page SN74AVC245 OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES263B – APRIL 1999 – REVISED DECEMBER 1999 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 4) MIN MAX UNIT VCC Supply voltage Operating 1.4 3.6 V VCC Supply voltage Data retention only 1.2 V VCC = 1.2 V VCC VCC = 1.4 V to 1.6 V 0.65 × VCC VIH High-level input voltage VCC = 1.65 V to 1.95 V 0.65 × VCC V VCC = 2.3 V to 2.7 V 1.7 VCC = 3 V to 3.6 V 2 VCC = 1.2 V GND VCC = 1.4 V to 1.6 V 0.35 × VCC VIL Low-level input voltage VCC = 1.65 V to 1.95 V 0.35 × VCC V VCC = 2.3 V to 2.7 V 0.7 VCC = 3 V to 3.6 V 0.8 VI Input voltage 0 3.6 V VO Output voltage Active state 0 VCC V VO Output voltage 3-state 0 3.6 V † VCC = 1.4 V to 1.6 V –2 IOHS Static high level output current† VCC = 1.65 V to 1.95 V –4 mA IOHS Static high-level output current† VCC = 2.3 V to 2.7 V –8 mA VCC = 3 V to 3.6 V –12 † VCC = 1.4 V to 1.6 V 2 IOLS Static low level output current† VCC = 1.65 V to 1.95 V 4 mA IOLS Static low-level output current† VCC = 2.3 V to 2.7 V 8 mA VCC = 3 V to 3.6 V 12 ∆t/∆v Input transition rise or fall rate VCC = 1.4 V to 3.6 V 5 ns/V TA Operating free-air temperature –40 85 °C † Dynamic drive capability is equivalent to standard outputs with IOH and IOL of ±24 mA at 2.5-V VCC. See Figure 1 for VOL vs IOL and VOH vs IOH characteristics. Refer to the TI application reports, AVC Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC ™) Circuitry Technology and Applications, literature number SCEA009. NOTE 4: 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. |
类似零件编号 - SN74AVC245 |
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类似说明 - SN74AVC245 |
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