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SN54ALS299J Datasheet(PDF) 4 Page - Texas Instruments |
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SN54ALS299J Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page SN54ALS299, SN74ALS299 8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS WITH 3-STATE OUTPUTS SDAS220B – DECEMBER 1982 – REVISED DECEMBER 1994 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54ALS299 SN74ALS299 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 0.7 0.8 V IOH High level output current QA ′ or QH′ – 0.4 – 0.4 mA IOH High-level output current QA – QH –1 – 2.6 mA IOL Low level output current QA ′ or QH′ 4 8 mA IOL Low-level output current QA – QH 12 24 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 SN54ALS299 SN74ALS299 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.5 – 1.5 V All outputs VCC = 4.5 V to 5.5 V, IOH = – 0.4 mA VCC –2 VCC –2 VOH QA QH VCC =4 5V IOH = – 1 mA 2.4 3.3 V QA – QH VCC = 4.5 V IOH = – 2.6 mA 2.4 3.2 QA ′ or QH′ VCC =4 5V IOL = 4 mA 0.25 0.4 0.25 0.4 VOL QA ′ or QH′ VCC = 4.5 V IOL = 8 mA 0.35 0.5 V VOL QA QH VCC =4 5V IOL = 12 mA 0.25 0.4 0.25 0.4 V QA – QH VCC = 4.5 V IOL = 24 mA 0.35 0.5 II A – H VCC =5 5V VI = 5.5 V 0.1 0.1 mA II Any others VCC = 5.5 V VI = 7 V 0.1 0.1 mA IIH‡ VCC = 5.5 V, VI = 2.7 V 20 20 µA I ‡ S0, S1, SR, SL VCC =5 5V VI =0 4V – 0.2 – 0.2 mA IIL‡ Any others VCC = 5.5 V, VI = 0.4 V – 0.1 – 0.1 mA I § QA ′ or QH′ VCC =5 5V VO = 2 25 V –15 –70 –15 –70 mA IO§ QA – QH VCC = 5.5 V, VO = 2.25 V –20 –112 –30 –112 mA Outputs high 15 28 15 28 ICC VCC = 5.5 V Outputs low 22 38 22 38 mA Outputs disabled 23 40 23 40 † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports (QA–QH), the parameters IIH and IIL include the off-state output current. § The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. |
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