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74VHCT240AT Scheda tecnica(PDF) 2 Page - STMicroelectronics |
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74VHCT240AT Scheda tecnica(HTML) 2 Page - STMicroelectronics |
2 / 8 page TRUTH TABLE INPUT OUTPUT GAn Yn LL H LHL HX Z X:”H” or ”L” Z: High impedance PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCT ION 1 1G Output Enable Input 2, 4,6, 8 1A1 to 1A4 Data Inputs 9, 7,5, 3 2Y1 to 2Y4 Data Outputs 11, 13, 15, 17 2A1 to 2A4 Data Inputs 18, 16, 14, 12 1Y1 to 1Y4 Data Outputs 19 2G Output Enable Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage INPUT EQUIVALENT CIRCUIT RECOMMENDED OPERATING CONDITIONS Symbol Parameter Valu e Uni t VCC Supply Voltage 4.5 to 5.5 V VI Input Voltage 0 to 5.5 V VO Output Voltage (see note 1) 0 to 5.5 V VO Output Voltage (see note 2) 0 to VCC V Top Operating Temperature -40 to +85 oC dt/dv Input Rise and Fall Time (see note 3) (VCC =5.0 ± 0.5V) 0to 20 ns/V 1) Output in OFF State 2) High or Low State 3)VIN from0.8V to 2 V ABSOLUTE MAXIMUM RATINGS Symbol Parameter Val ue Unit VCC Supply Voltage -0.5 to +7.0 V VI DC Input Voltage -0.5 to +7.0 V VO DC Output Voltage (see note 1) -0.5 to +7.0 V VO DC Output Voltage (see note 2) -0.5 to VCC +0.5 V IIK DC Input Diode Current - 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 25 mA ICC orIGND DC VCC or Ground Current ± 50 mA Tstg Storage Temperature -65 to +150 oC TL Lead Temperature (10 sec) 300 oC Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. 1) Output in OFF State 2) High or Low State 74VHCT240A 2/8 |
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