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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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SN74ABT244A-EP bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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SN74ABT244A-EP bảng dữ liệu(HTML) 4 Page - Texas Instruments |
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4 / 10 page  www.ti.com Electrical Characteristics (1) Switching Characteristics SN74ABT244A-EP OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SGBS312A – JULY 2006 – REVISED JULY 2006 over recommended operating free-air temperature range (unless otherwise noted) TA = 25°C PARAMETER TEST CONDITIONS MIN MAX UNIT MIN TYP(2) MAX VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V VCC = 4.5 V, IOH = –3 mA 2.5 2.5 VOH VCC = 5 V, IOH = –3 mA 3 3 V VCC = 4.5 V, IOH = –24 mA 2 2 VOL VCC = 4.5 V, IOL = 48 mA 0.55 0.55 V Vhys 100 mV II VCC = 5.5 V, VI = VCC or GND ±1 ±1 µA IOZH VCC = 5.5 V, VO = 2.7 V 10 10 µA IOZL VCC = 5.5 V, VO = 0.5 V –10 –10 µA Ioff VCC = 0, VI or VO ≤ 5.5 V ±100 µA ICEX VCC = 5.5 V, Outputs high 50 50 µA IO(3) VCC = 5.5 V, VO = 2.5 V –50 –100 –180 –50 –180 mA Outputs high 1 250 250 µA VCC = 5.5 V, IO = 0, ICC Outputs low 24 30 30 mA VI = VCC or GND Outputs disabled 0.5 250 250 µA VCC = 5.5 V, Outputs enabled 1.5 1.5 Data inputs One input at 3.4 V, Outputs disabled 0.05 0.05 Other inputs at VCC or GND ∆I CC (4) mA VCC = 5.5 V, One input at 3.4 V, Control inputs 1.5 1.5 Other inputs at VCC or GND Ci VI = 2.5 V or 0.5 V 3.5 pF Co VO = 2.5 V or 0.5 V 7.5 pF (1) On products compliant to MIL-PRF-38535, this parameter does not apply. (2) All typical values are at VCC = 5 V. (3) Not more than one output should be tested at a time, and the duration of the test should not exceed one second. (4) This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. over recommended ranges of supply voltage and operating free-air temperature, C L = 50 pF (unless otherwise noted) (see Figure 1) VCC = 5 V, FROM TO TA = 25°C PARAMETER MIN MAX UNIT (INPUT) (OUTPUT) MIN TYP MAX tPLH 1 2.6 4.1 1 5.3 A Y ns tPHL 1 2.9 4.2 1 5 tPZH 1.1 3.1 4.6 0.8 5.7 OE Y ns tPZL 2.1 4.1 5.6 1.2 7.9 tPHZ 2.1 4.1 5.6 1.2 7.6 OE Y ns tPLZ 1.5 3.7 5.6 1 7.9 4 Submit Documentation Feedback |
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