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SN54BCT244FK Datasheet(PDF) 3 Page - Texas Instruments |
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SN54BCT244FK Datasheet(HTML) 3 Page - Texas Instruments |
3 / 5 page SN54BCT244, SN74BCT244 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS006E – OCTOBER 1987 – REVISED APRIL 1994 2–3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54BCT244 SN74BCT244 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 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT244 SN74BCT244 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V IOH = – 3 mA 2.4 3.3 2.4 3.3 VOH VCC = 4.5 V IOH = – 12 mA 2 3.2 V IOH = – 15 mA 2 3.1 VOL VCC =4 5V IOL = 48 mA 0.38 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.42 0.55 V II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.5 V –1 –1 mA IOZH VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL VCC = 5.5 V, VO = 0.5 V –50 –50 µA IOS‡ VCC = 5.5 V, VO = 0 – 100 – 225 – 100 – 225 mA ICCH VCC = 5.5 V, Outputs open 23 40 23 40 mA ICCL VCC = 5.5 V, Outputs open 53 80 53 80 mA ICCZ VCC = 5.5 V, Outputs open 4 10 4 10 mA † All typical values are at VCC = 5 V. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. |
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