74FST3253

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 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 Pin−For−Pin Compatible With QS3253, FST3253, CBT3253 Popular Packages: TSSOP−16, SOIC−16 All Devices in Package TSSOP are Inherently Pb−Free* OE1 S1 1B4 1B3 1B2 1B1 1A GND 1 2 3 4 5 6 7 8 16 VCC 15 OE2 14 S0 13 2B4 12 11 10 9 2B3 2B2 2B1 2A Figure 1. 16−Lead Pinout S1 S0 OE1 OE2 XX H XX X LL L LH L HL L HH L X H L L L L Function Disconnect 1A Disconnect 2A A = B1 A = B2 A = B3 A = B4 Figure 2. Truth Table http://onsemi.com MARKING DIAGRAMS 16 1 SOIC−16 D SUFFIX CASE 751B 16 1 TSSOP−16 DT SUFFIX CASE 948F A L, WL Y W, WW = = = = 16 FST3253 AWLYWW 1 16 FST 3253 ALYW 1 Assembly Location Wafer Lot Year Work Week PIN NAMES Pin OE1, OE2 S0, S1 A B1, B2, B3, B4 Description Bus Switch Enables Select Inputs Bus A Bus B ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. *For additional information on our Pb−Free strategy and soldering details, please do...