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74AC253PCX 数据表(PDF) 1 Page - Fairchild Semiconductor |
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74AC253PCX 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 1999 Fairchild Semiconductor Corporation DS009946 www.fairchildsemi.com November 1988 Revised November 1999 74AC253 • 74ACT253 Dual 4-Input Multiplexer with 3-STATE Outputs General Description The AC/ACT253 is a dual 4-input multiplexer with 3-STATE outputs. It can select two bits of data from four sources using common select inputs. The outputs may be individu- ally switched to a high impedance state with a HIGH on the respective Output Enable (OE) inputs, allowing the outputs to interface directly with bus oriented systems. Features s ICC and IOZ reduced by 50% s Multifunction capability s Noninverting 3-STATE outputs s Outputs source/sink 24 mA s ACT253 has TTL-compatible inputs Ordering Code: Device also available Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Diagrams IEEE/IEC Connection Diagram Pin Descriptions FACT is a trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description 74AC253SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body 74AC253SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74AC253PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide 74ACT253SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body 74ACT253SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74ACT253PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide Pin Names Description I0a–I3a Side A Data Inputs I0b–I3b Side B Data Inputs S0, S1 Common Select Inputs OEa Side A Output Enable Input OEb Side B Output Enable Input Za, Zb 3-STATE Outputs |
类似零件编号 - 74AC253PCX |
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类似说明 - 74AC253PCX |
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