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74AC521TOSHIBAN/a25avai8-Bit Identity Comparator
74AC521FN/a48avai8-Bit Identity Comparator
74AC521FAIN/a2584avai8-Bit Identity Comparator
74AC521N/a54avai8-Bit Identity Comparator


74AC521 ,8-Bit Identity ComparatorApplicationsRipple ExpansionParallel Expansion 274AC521 74ACT52174AC521 74ACT521Absolute Maximum ..
74AC521 ,8-Bit Identity ComparatorFeaturesThe AC/ACT521 is an expandable 8-bit comparator. It

74AC521
8-Bit Identity Comparator
74AC521 • 74ACT521 8-Bit Identity Comparator November 1988 Revised October 2000 74AC521  74ACT521 8-Bit Identity Comparator General Description Features The AC/ACT521 is an expandable 8-bit comparator. ItI reduced by 50% CC compares two words of up to eight bits each and provides a Compares two 8-bit words in 6.5 ns typ LOW output when the two words match bit for bit. The Expandable to any word length expansion input I also serves as an active LOW enable A = B 20-pin package input. Outputs source/sink 24 mA ACT521 has TTL-compatible inputs Ordering Code: Order Number Package Number Package Description 74AC521SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74AC521SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74AC521MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC521PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 74ACT521SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74ACT521SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74ACT521MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74ACT521PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering table. Logic Symbols Connection Diagram IEEE/IEC Pin Descriptions Pin Names Description A –A Word A Inputs 0 7 B –B Word B Inputs 0 7 T Expansion or Enable Input A = B O Identity Output A = B FACT is a trademark of . © 2000 DS009964
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