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74FST3253DTR2 Fiches technique(PDF) 1 Page - ON Semiconductor |
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74FST3253DTR2 Fiches technique(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2005 January, 2005 − Rev. 2 1 Publication Order Number: 74FST3253/D 74FST3253 Dual 4:1 Multiplexer/ Demultiplexer Bus Switch The ON Semiconductor 74FST3253 is a dual 4:1, 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 • R ON 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 • Pin−For−Pin Compatible With QS3253, FST3253, CBT3253 • All Popular Packages: QSOP−16, TSSOP−16, SOIC−16 • All Devices in Package TSSOP are Inherently Pb−Free* 1B3 1A 1B1 1B2 1B4 OE1 VCC S0 OE2 GND 2A 1 2 3 4 5 6 7 16 15 14 13 12 11 10 89 Figure 1. 16−Lead Pinout Figure 2. Truth Table S1 2B4 2B3 2B2 2B1 X X L L H H S1 Function X X L H L H S0 H X L L L L OE1 X H L L L L OE2 Disconnect 1A Disconnect 2A A = B1 A = B2 A = B3 A = B4 *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 FST3253 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 3253 ALYW S3253 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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