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SN74ABT2244PW 数据表(PDF) 4 Page - Texas Instruments |
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SN74ABT2244PW 数据表(HTML) 4 Page - Texas Instruments |
4 / 7 page SN54ABT2244, SN74ABT2244 OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS SCBS106B – JANUARY 1991 – REVISED JULY 1994 6–4 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 SN54ABT2244 SN74ABT2244 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 = 4.5 V, IOL = 12 mA 0.8 0.8 0.8 V 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 to 2.7 V, OE = X ±50 ±50 ±50 µA IOZPD VCC = 2.1 V to 0, VO = 0.5 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 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 VCC = 5.5 V, Outputs high 1 250 250 250 µA ICC VCC 5.5 V, IO = 0, Outputs low 24 30 30 30 mA VI = VCC or GND Outputs disabled 0.5 250 250 250 µA § VCC = 5.5 V, Oi V Data Outputs enabled 1.5 1.5 1.5 ∆ICC§ One input at 3.4 V, Other inputs at inputs Outputs disabled 0.05 0.05 0.05 mA Other in uts at VCC or GND Control inputs 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 8.5 pF * On products compliant to MIL-STD-883, Class B, 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 SN54ABT2244 SN74ABT2244 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH A Y 1 3.4 4.3 1 5.3 1 4.7 ns tPHL A Y 1 4.5 5.3 1 6.8 1 5.6 ns tPZH OE Y 1.1 3.8 4.8 1.1 6.5 1.1 5.5 ns tPZL OE Y 2.1 6.3 7.3 2.1 10.2 2.1 8.3 ns tPHZ OE Y 2.1 4.5 5.6 2.1 7 2.1 6.6 ns tPLZ OE Y 1.7 4.3 5.3 1.7 7.4 1.7 5.8 ns |
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