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74LVC245ATTR Scheda tecnica(PDF) 2 Page - STMicroelectronics |
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74LVC245ATTR Scheda tecnica(HTML) 2 Page - STMicroelectronics |
2 / 12 page 74LVC245A 2/12 Figure 2: Input And Output Equivalent Circuit Table 2: Pin Description Table 3: Truth Table X : Don’t Care Z : High Impedance Table 4: Absolute Maximum Ratings Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied 1) IO absolute maximum rating must be observed 2) VO < GND PIN N° SYMBOL NAME AND FUNCTION 1 DIR Directional Control 2, 3, 4, 5, 6, 7, 8, 9 A1 to A8 Data Inputs/Outputs 18, 17, 16, 15, 14, 13, 12, 11 B1 to B8 Data Inputs/Outputs 19 G Output Enable Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage INPUTS FUNCTION OUTPUT G DIR A BUS B BUS Yn L L OUTPUT INPUT A = B L H INPUT OUTPUT B = A H X ZZZ Symbol Parameter Value Unit VCC Supply Voltage -0.5 to +7.0 V VI DC Input Voltage -0.5 to +7.0 V VO DC Output Voltage (High Impedance or VCC = 0V) -0.5 to +7.0 V VO DC Output Voltage (High or Low State) (note 1) -0.5 to VCC + 0.5 V IIK DC Input Diode Current - 50 mA IOK DC Output Diode Current (note 2) - 50 mA IO DC Output Current ± 50 mA ICC or IGND DC VCC or Ground Current per Supply Pin ± 100 mA Tstg Storage Temperature -65 to +150 °C TL Lead Temperature (10 sec) 300 °C |
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