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SN74F541DWE4 데이터시트(PDF) 2 Page - Texas Instruments |
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SN74F541DWE4 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 15 page SN54F541, SN74F541 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SDFS021A – D3126, JANUARY 1989 – REVISED OCTOBER 1993 2–2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic symbol† logic diagram (positive logic) 19 2 1 18 OE1 OE2 A1 Y1 1 2 A1 3 A2 4 A3 5 A4 Y1 18 Y2 17 Y3 16 Y4 15 6 A5 7 A6 8 A7 9 A8 Y5 14 Y6 13 Y7 12 Y8 11 1 19 OE1 OE2 & To Seven Other Channels EN † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (see Note 1) – 1.2 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input current range – 30 mA to 5 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the disabled or power-off state – 0.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high state – 0.5 V to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the low state: SN54F541 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74F541 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: SN54F541 – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74F541 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed. recommended operating conditions SN54F541 SN74F541 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IIK Input clamp current –18 –18 mA IOH High-level output current –12 –15 mA IOL Low-level output current 48 64 mA TA Operating free-air temperature –55 125 0 70 °C |
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