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74LVC161284TTR Fiches technique(PDF) 2 Page - STMicroelectronics |
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74LVC161284TTR Fiches technique(HTML) 2 Page - STMicroelectronics |
2 / 11 page 74LVC161284 2/11 LOGIC DIAGRAM NOTE A: The PMOS transistors prevent backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND. The PMOS transistor is turned off when the associated driver is in the low state. NOTE B: The PMOS transistor prevents backdriving current from the signal pins to VCC/CABLE when VCC/CABLE is open or at GND. PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1 HD High Drive Enable Input 2, 3, 4, 5, 6 A9 to A13 Side A Input 8, 9, 11, 12, 13, 14, 16, 17 A1 to A8 Side A Input or Output 19 PLI Peripheral Logic Input 20, 21, 22, 23 A14 to A17 Side A Output 24 HLO Host Logic Output 25 HLI Host Logic Input 29, 28, 27, 26 C14 to C17 Side Cable Output 30 PLO Peripheral Logic Output 41, 40, 38, 37, 36, 35, 33, 32 B1 to B8 Side Cable Input or Output 47, 46, 45, 44, 43 Y9 to Y13 Side Cable Output 48 DIR Direction Control Input 10, 15, 34, 39 GND Ground (0V) 7, 18 VCC Positive Supply Voltage 31, 42 VCC/CABLE Cable Power Supply |
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