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SN74ABT245B データシート(PDF) 4 Page - Texas Instruments |
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SN74ABT245B データシート(HTML) 4 Page - Texas Instruments |
4 / 21 page SN54ABT245A, SN74ABT245B OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCBS081L − JANUARY 1991 − REVISED APRIL 2005 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 SN54ABT245A SN74ABT245B 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 = 4.5 V IOH = −24 mA 2 2 V VCC = 4.5 V IOH = −32 mA 2* 2 VOL VCC = 4.5 V IOL = 48 mA 0.55 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55* 0.55 V Vhys 100 mV Control inputs VCC = 0 to 5.5 V, VI = VCC or GND ±1 ±1 ±1 II A or B ports VCC = 2.1 V to 5.5 V, VI = VCC or GND ±20 ±100 ±20 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 ≤ 5.5 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 −140 −180 −50 −180 −50 −180 mA VCC = 5.5 V, Outputs high 5 250 250 250 µA ICC A or B ports VCC = 5.5 V, IO = 0, V = V or GND Outputs low 22 30 30 30 mA ICC A or B ports IO = 0, VI = VCC or GND Outputs disabled 1 250 250 250 µA Data inputs VCC = 5.5 V, One input at 3.4 V, Outputs enabled 1.5 1.5 1.5 mA ∆ICC¶ Data inputs One input at 3.4 V, Other inputs at VCC or GND Outputs disabled 50 50 50 µA CC Control inputs VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 mA Ci Control inputs VI = 2.5 V or 0.5 V 4 pF Cio A or B ports 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. ‡ The parameters IOZH and IOZL include the input leakage current. § 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. |
同様の部品番号 - SN74ABT245B |
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同様の説明 - SN74ABT245B |
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