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SN54BCT126A Datasheet(PDF) 2 Page - Texas Instruments |
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SN54BCT126A Datasheet(HTML) 2 Page - Texas Instruments |
2 / 5 page SN54BCT126A, SN74BCT126A QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS SCBS252A – SEPTEMBER 1988 – REVISED APRIL 1994 2–2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic symbol† logic diagram (positive logic) EN 1 1OE 2 1A 1Y 3 4 2OE 5 2A 10 3OE 9 3A 13 4OE 12 4A 2Y 6 3Y 8 4Y 11 1 4 56 2A 2Y 2OE 1 23 1A 1Y 1OE 10 98 3A 3Y 3OE 13 12 11 4A 4Y 4OE † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the J, N, and W packages. 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) – 0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the disabled or power-off state, VO – 0.5 V to 5.5 V . . . . . . . . . . . . . . . Voltage range applied to any output in the high state, VO – 0.5 V to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the low state: SN54BCT126A 96 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74BCT126A 128 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: SN54BCT126A – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74BCT126A 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 and output voltage ratings may be exceeded if the input and output current ratings are observed. recommended operating conditions SN54BCT126A SN74BCT126A 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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