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SN74ABT16827 数据表(PDF) 4 Page - Texas Instruments |
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SN74ABT16827 数据表(HTML) 4 Page - Texas Instruments |
4 / 10 page SN54ABT16827, SN74ABT16827 20-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS220C – JUNE 1992 – REVISED MAY 1997 4 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 SN54ABT16827 SN74ABT16827 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 ≥ 2 V 10 10 10 µA IOZL VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≥ 2 V –10 –10 –10 µA Ioff VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX Outputs high VCC = 5.5 V, VO = 5.5 V 50 50 50 µA IO§ VCC = 5.5 V, VO = 2.5 V –50 –100 –180 –50 –180 –50 –180 mA Outputs high V5 5 V I 0 2 2 2 ICC Outputs low VCC = 5.5 V, IO = 0, VI =VCC or GND 32 32 32 mA Outputs disabled VI = VCC or GND 2 2 2 ∆ICC¶ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 mA Ci VI = 2.5 V or 0.5 V 3 pF Co VO = 2.5 V or 0.5 V 7.5 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ This parameter is characterized, but not production tested. § 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 SN54ABT16827 SN74ABT16827 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH A Y 1 1.9 3.1 1 3.6 1 3.4 ns tPHL A Y 1 2.1 3.7 1 4.5 1 4.2 ns tPZH OE Y 1 2.8 5 1 5.9 1 5.6 ns tPZL OE Y 1 2.8 4.9 1 5.8 1 5.5 ns tPHZ OE Y 2.4 4.5 6.5 2.4 6.8 2.4 6.6 ns tPLZ OE Y 1.6 3.7 5.7 1.6 7.1 1.6 6.1 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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