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74LVTH2245DGVRG4 데이터시트(PDF) 4 Page - Texas Instruments |
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74LVTH2245DGVRG4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 17 page SN54LVTH2245, SN74LVTH2245 3.3V ABT OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCBS707E − SEPTEMBER 1997 − REVISED OCTOBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54LVTH2245 SN74LVTH2245 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 2.7 V, II = −18 mA −1.2 −1.2 V VCC = 2.7 V to 3.6 V, IOH = −100 µA VCC−0.2 VCC−0.2 A port VCC = 2.7 V, IOH = −8 mA 2.4 2.4 VOH A port VCC = 3 V IOH = −24 mA 2 V VOH VCC = 3 V IOH = −32 mA 2 V B port VCC = 2.7 V to 3.6 V, IOH = −100 µA VCC−0.2 VCC−0.2 B port VCC = 3 V, IOH = −12 mA 2 2 VCC = 2.7 V IOL = 100 µA 0.2 0.2 VCC = 2.7 V IOL = 24 mA 0.5 0.5 A port IOL = 16 mA 0.4 0.4 VOL A port VCC = 3 V IOL = 32 mA 0.5 0.5 V VOL VCC = 3 V IOL = 48 mA 0.55 V IOL = 64 mA 0.55 B port VCC = 2.7 V to 3.6 V, IOL = 100 µA 0.2 0.2 B port VCC = 3 V, IOL = 12 mA 0.8 0.8 Control inputs VCC = 3.6 V, VI = VCC or GND ±1 ±1 Control inputs VCC = 0 or 3.6 V, VI = 5.5 V 10 10 II VI = 5.5 V 20 20 µA II A or B ports‡ VCC = 3.6 V VI = VCC 1 1 µA A or B ports‡ VCC = 3.6 V VI = 0 −5 −5 Ioff VCC = 0, VI or VO = 0 to 4.5 V ±100 µA VCC = 3 V VI = 0.8 V 75 75 II(hold) A or B ports VCC = 3 V VI = 2 V −75 −75 µA II(hold) A or B ports VCC = 3.6 V§, VI = 0 to 3.6 V 500 −750 µA IOZPU VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care ±100* ±100 µA IOZPD VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care ±100* ±100 µA VCC = 3.6 V, Outputs high 0.19 0.1 0.19 ICC VCC = 3.6 V, IO = 0, V = V or GND Outputs low 5 3 5 mA ICC IO = 0, VI = VCC or GND Outputs disabled 0.19 0.1 0.19 mA ∆ICC¶ VCC = 3 V to 3.6 V, One input at VCC − 0.6 V, Other inputs at VCC or GND 0.2 0.2 mA Ci VI = 3 V or 0 4 4 pF Cio VO = 3 V or 0 9 9 pF * On products compliant to MIL-PRF-38535, this parameter is not production tested. † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ Unused terminals are at VCC or GND. § This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. 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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