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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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74ACT520 датащи(PDF) 1 Page - Fairchild Semiconductor |
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74ACT520 датащи(HTML) 1 Page - Fairchild Semiconductor |
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1 / 11 page  tm March 2007 ©1989 Fairchild Semiconductor Corporation www.fairchildsemi.com 74AC520, 74ACT520 Rev. 1.4 74AC520, 74ACT520 8-Bit Identity Comparator Features ■ Compares two 8-bit words in 6.5ns typ. ■ Expandable to any word length ■ 20-pin package ■ Outputs source/sink 24mA ■ ACT520 has TTL-compatible inputs General Description The AC/ACT520 are expandable 8-bit comparators. They compare two words of up to eight bits each and provide a LOW output when the two words match bit for bit. The expansion input IA = B also serves as an active LOW enable input. Ordering Information Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. Connection Diagram Pin Descriptions Truth Table H = HIGH Voltage Level L = LOW Voltage Level Note: 1. A0 = B0, A1 = B1, A2 = B2, etc. Order Number Package Number Package Description 74AC520SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 74ACT520SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 74ACT520SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74ACT520PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide Pin Names Description A0–A7 Word A Inputs B0–B7 Word B Inputs TA = B Expansion or Enable Input OA = B Identity Output Inputs Outputs IA = B A, B OA = B LA = B(1) L LA ≠ BH HA = B(1) H HA ≠ BH FACT™ is a trademark of Fairchild Semiconductor Corporation . |
Аналогичный номер детали - 74ACT520 |
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Аналогичное описание - 74ACT520 |
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