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74AC251PC Fiches technique(PDF) 1 Page - Fairchild Semiconductor |
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74AC251PC Fiches technique(HTML) 1 Page - Fairchild Semiconductor |
1 / 9 page © 1999 Fairchild Semiconductor Corporation DS009945 www.fairchildsemi.com November 1988 Revised November 1999 74AC251 • 74ACT251 8-Input Multiplexer with 3-STATE Output General Description The AC/ACT251 is a high-speed 8-input digital multiplexer. It provides, in one package, the ability to select one bit of data from up to eight sources. It can be used as universal function generator to generate any logic function of four variables. Both true and complementary outputs are pro- vided. Features s ICC reduced by 50% s Multifunctional capability s On-chip select logic decoding s Inverting and noninverting 3-STATE outputs s Outputs source/sink 24 mA s ACT251 has TTL-compatible inputs Ordering Code: Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Symbols IEEE/IEC Connection Diagram Pin Descriptions FACT is a trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description 74AC251SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body 74AC251SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74AC251MTC MTC16 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC251PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide 74ACT251SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body 74ACT251MTC MTC16 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74ACT251PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide Pin Names Description S0–S2 Select Inputs OE 3-STATE Output Enable Input I0–I7 Multiplexer Inputs Z 3-STATE Multiplexer Output Z Complementary 3-STATE Multiplexer Output |
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