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54FCT521 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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54FCT521 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page 54FCT521 8-Bit Identity Comparator General Description The ’FCT521 is an expandable 8-bit comparator. It com- pares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The expansion input I A = B also serves as an active LOW enable input. Features n Expandable to any word length n Outputs sink capability of 32mA, source capability of 12 mA n TTL input and output level compatible n CMOS power consumption n Standard microcircuit Drawing (SMD) 5962-8854301 Logic Symbols Connection Diagram Pin Descriptions Pin Names Description A0–A7 Word A Inputs B0–B7 Word B Inputs TA = B Expansion or Enable Input OA = B Identity Output FACT™ is a trademark of Fairchild Semiconductor Corporation. DS100968-1 IEEE/IEC DS100968-4 Pin Assignment for DIP and CERPACK DS100968-2 Pin Assignment for LCC DS100968-3 September 1998 © 1998 National Semiconductor Corporation DS100968 www.national.com |
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