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SN54BCT544W Datasheet(PDF) 3 Page - Texas Instruments |
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SN54BCT544W Datasheet(HTML) 3 Page - Texas Instruments |
3 / 6 page SN54BCT544, SN74BCT544 OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS039B – NOVEMBER 1988 – REVISED NOVEMBER 1993 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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: Control inputs (see Note 1) – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I/O ports (see Note 1) – 0.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the disabled or power-off state, VO – 0.5 V to 7 V . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high state, VO – 0.5 V to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current – 30 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the low state: SN54BCT544 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74BCT544 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: SN54BCT544 – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74BCT544 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 negative voltage rating may be exceeded if the input clamp-current rating is observed. recommended operating conditions SN54BCT544 SN74BCT544 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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