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74HCT646D Folha de dados(PDF) 3 Page - NXP Semiconductors |
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74HCT646D Folha de dados(HTML) 3 Page - NXP Semiconductors |
3 / 12 page September 1993 3 Philips Semiconductors Product specification Octal bus transceiver/register; 3-state 74HC/HCT646 PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 1CPAB A to B clock input (LOW-to-HIGH, edge-triggered) 2SAB select A to B source input 3 DIR direction control input 4, 5, 6, 7, 8, 9, 10, 11 A0 to A7 A data inputs/outputs 12 GND ground (0 V) 20, 19, 18, 17, 16, 15, 14, 13 B0 to B7 B data inputs/outputs 21 OE output enable input (active LOW) 22 SBA select B to A source input 23 CPBA B to A clock input (LOW-to-HIGH, edge-triggered) 24 VCC positive supply voltage Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol. |
Nº de peça semelhante - 74HCT646D |
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Descrição semelhante - 74HCT646D |
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