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SN74ABT126NSRE4 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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SN74ABT126NSRE4 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 26 page SN54ABT126, SN74ABT126 QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS SCBS183H – FEBRUARY 1991 – REVISED MAY 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 4) SN54ABT126 SN74ABT126 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V IOH High-level output current –24 –32 mA IOL Low-level output current 48 64 mA ∆t/∆v Input transition rise or fall rate 10 10 ns/V ∆t/∆VCC Power-up ramp rate 200 200 µs/V TA Operating free-air temperature –55 125 –40 85 °C NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ABT126 SN74ABT126 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN MAX MIN MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 –1.2 V VCC = 4.5 V, IOH = –3 mA 2.5 2.5 2.5 VOH VCC = 5 V, IOH = –3 mA 3 3 3 V VOH VCC =4 5V IOH = –24 mA 2 2 V VCC = 4.5 V IOH = –32 mA 2* 2 VOL VCC =4 5V IOL = 48 mA 0.55 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55* 0.55 V Vhys 100 mV II VCC = 0 to 5.5 V, VI = VCC or GND ±1 ±1 ±1 µA IOZPU VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X‡ ±50 ±50 ±50 µA IOZPD VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X‡ ±50 ±50 ±50 µA IOZH VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≤ 0.8 V 10 10 10 µA IOZL VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≤ 0.8 V –10 –10 –10 µA Ioff VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX VCC = 5.5 V, VO = 5.5 V Outputs high 50 50 50 µA IO§ VCC = 5.5 V, VO = 2.5 V –50 –100 –200 –50 –200 –50 –200 mA V5 5 V I 0 Outputs high 1 250 250 250 µA ICC VCC = 5.5 V, IO = 0, VI =VCC or GND Outputs low 24 30 30 30 mA VI = VCC or GND Outputs disabled 0.5 250 250 250 µA ∆I ¶ VCC = 5.5 V, One input at 3 4 V Outputs enabled 1.5 1.5 1.5 mA ∆ICC¶ One input at 3.4 V, Other inputs at VCC or GND Outputs disabled 50 50 50 µA Ci VI = 2.5 V or 0.5 V 3 pF Co VO = 2.5 V or 0.5 V 7 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ For VCC between 2.1 V and 4 V, OE should be less than or equal to 0.5 V to ensure a low state. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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