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SN74AC245DW 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74AC245DW 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 6 page SN54AC245, SN74AC245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS461D – FEBRUARY 1995 – REVISED DECEMBER 1996 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54AC245 SN74AC245 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 6 2 6 V VCC = 3 V 2.1 2.1 VIH High-level input voltage VCC = 4.5 V 3.15 3.15 V VCC = 5.5 V 3.85 3.85 VCC = 3 V 0.9 0.9 VIL Low-level input voltage VCC = 4.5 V 1.35 1.35 V VCC = 5.5 V 1.65 1.65 VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V VCC = 3 V –12 –12 IOH High-level output current VCC = 4.5 V –24 –24 mA VCC = 5.5 V –24 –24 VCC = 3 V 12 12 IOL Low-level output current VCC = 4.5 V 24 24 mA VCC = 5.5 V 24 24 Dt/Dv Input transition rise or fall rate 0 8 0 8 ns / V TA Operating free-air temperature –55 125 –40 85 °C NOTE 3: Unused inputs must be held high or low to prevent them from floating. |
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