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M74HCT257M1R Arkusz danych(PDF) 2 Page - STMicroelectronics |
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2 / 12 page INPUT AND OUTPUT EQUIVALENT CIRCUIT CHIP CARRIER NC = No Internal Connection HCT257 HCT258 PIN DESCRIPTION (HCT257) PIN No SYMBOL NAME AND FUNCTION 1 SELECT Common Data Select Input 2, 5, 14, 11 1A to 4A Data Input From Source A 3, 6, 13, 10 1B to 4B Data Inputs from Source B 4, 7, 12, 9 1Y to 4Y 3 State Multiplexer Outputs 15 OE 3 State Output Enable Inputs (Active LOW) 8 GND Ground (0V) 16 VCC Positive Supply Voltage PIN DESCRIPTION (HCT258) PIN No SYMBOL NAME AND FUNCTION 1 SELECT Common Data Select Input 2, 5, 14, 11 1A to 4A Data Input From Source A 3, 6, 13, 10 1B to 4B Data Inputs from Source B 4, 7, 12, 9 1Y to 4Y 3 State Multiplexer Outputs 15 OE 3 State Output Enable Inputs (Active LOW) 8 GND Ground (0V) 16 VCC Positive Supply Voltage M54/M74HCT257/258 2/12 |
Podobny numer części - M74HCT257M1R |
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Podobny opis - M74HCT257M1R |
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