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74FST3251DR2 データシート(PDF) 1 Page - ON Semiconductor |
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74FST3251DR2 データシート(HTML) 1 Page - ON Semiconductor |
1 / 7 page © Semiconductor Components Industries, LLC, 2006 June, 2006 − Rev. 3 1 Publication Order Number: 74FST3251/D 74FST3251 8:1 Multiplexer/ Demultiplexer Bus Switch The ON Semiconductor 74FST3251 is an 8:1, high performance multiplexer/demultiplexer bus switch. The device is CMOS TTL compatible when operating between 4 and 5.5 Volts. The device exhibits extremely low RON and adds nearly zero propagation delay. The device adds no noise or ground bounce to the system. Features • RON t 4 W Typical • Less Than 0.25 ns−Max Delay Through Switch • Nearly Zero Standby Current • No Circuit Bounce • Control Inputs are TTL/CMOS Compatible • All Popular Packages: QSOP−16, TSSOP−16, SOIC−16 • All Devices in Package TSSOP are Inherently Pb−Free* GND OE NC A B1 B2 B3 B4 9 10 11 12 13 14 15 16 S2 S1 S0 B8 B7 B6 B5 VCC 8 7 6 5 4 3 2 1 Figure 1. QSOP/SSOP/TSSOP TOP VIEW TRUTH TABLE Inputs Function OE S2 S1 S0 L L L L A Port = B1 Port L L L H A Port = B2 Port L L H L A Port = B3 Port L L H H A Port = B4 Port L H L L A Port = B5 Port L H L H A Port = B6 Port L H H L A Port = B7 Port L H H H A Port = B8 Port H X X X Disconnect NOTE: H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t Care *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Description PIN NAMES OE1, OE2 S0, S1 A = Assembly Location L, WL = Wafer Lot Y = Year W, WW = Work Week TSSOP−16 DT SUFFIX CASE 948F 16 1 QSOP−16 QS SUFFIX CASE 492 SOIC−16 D SUFFIX CASE 751B 16 1 1 16 FST3251 AWLYWW MARKING DIAGRAMS 16 1 Pin Bus Switch Enables Select Inputs A Bus A B1, B2, B3, B4 Bus B 16 1 1 16 FST 3251 ALYW S3251 ALYW See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. ORDERING INFORMATION http://onsemi.com |
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同様の説明 - 74FST3251DR2 |
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