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SN74ABT540 Datenblatt(PDF) 3 Page - Texas Instruments |
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SN74ABT540 Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 10 page SN54ABT540, SN74ABT540 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS188C – FEBRUARY 1991 – REVISED JANUARY 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ABT540 SN74ABT540 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 = 5.5 V, VI = VCC or GND ±1 ±1 ±1 µA IOZH VCC = 5.5 V, VO = 2.7 V 50 50 50 µA IOZL VCC = 5.5 V, VO = 0.5 V –50 –50 –50 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 –180 –50 –180 –50 –180 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 § Data VCC = 5.5 V, One input at 3.4 V, Outputs enabled 1.5 1.5 1.5 ∆ICC§ inputs , Other inputs at VCC or GND Outputs disabled 0.05 0.05 0.05 mA Control inputs VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 Ci VI = 2.5 V or 0.5 V 3 pF Co VO = 2.5 V or 0.5 V 8 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † 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. § This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C SN54ABT540 SN74ABT540 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH A Y 1 2.9 4.1 1 1 4.8 ns tPHL A Y 1 3.1 4.3 1 1 4.8 ns tPZH OE Y 1.1 3.4 4.9 1.1 1.1 5.9 ns tPZL OE Y 1.1 3 5.8 1.1 1.1 6.4 ns tPHZ OE Y 1.5 5.3 6.8 1.5 1.5 7.3 ns tPLZ OE Y 1.2 4.4 5.7 1.2 1.2 6.2 ns 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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