FST33X257 24:12 Multiplexer/Demultiplexer Bus Switch
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FST33X257QSP (pdf) |
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FST33X257QSPX |
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FST33X257 24:12 Multiplexer/Demultiplexer Bus Switch FST33X257 24:12 Multiplexer/Demultiplexer Bus Switch The Fairchild Switch FST33X257 is a 24:12 high-speed CMOS TTL-compatible multiplexer/demultiplexer bus switch. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. When OEx is LOW, the select pin connects the A Port to the selected B Port output. When OEx is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. s switch connection between two ports s Minimal propagation delay through the switch s Low lCC s Zero bounce in flow-through mode s Control inputs compatible with TTL level Ordering Code: Order Number Package Number Package Description FST33X257QSP MQA48A 48-Lead Quarter Size Very Small Outline Package QVSOP , JEDEC MO-154, Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. 2002 Fairchild Semiconductor Corporation DS500724 FST33X257 Logic Diagram Connection Diagram Pin Descriptions Pin Name OEx Sx A Truth Table Bus Switch Enable Select Input Bus A Bus B Function Disconnect A = B1 A = B2 FST33X257 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Switch Voltage VS DC Input Voltage VIN Note 2 DC Input Diode Current lIK VIN < 0V DC Output IOUT Sink Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG −0.5V to +7.0V −0.5V to +7.0V −0.5V to +7.0V −50 mA 128 mA +/− 100 mA −65°C to +150 °C Recommended Operating Conditions Note 3 Power Supply Operating VCC Input Voltage VIN Output Voltage VOUT Input Rise and Fall Time tr, tf Switch Control Input 4.0V to 5.5V 0V to 5.5V 0V to 5.5V 0 ns/V to 5 ns/V Switch I/O 0 ns/V to DC Free Air Operating Temperature TA −40 °C to +85 °C Note 1 The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum rating. The Recommended Operating Conditions tables will define the conditions for actual device operation. Note 2 The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Note 3 Unused control inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Parameter VCC V TA = −40 °C to +85 °C Typ Note 4 Units Conditions Clamp Diode Voltage |
More datasheets: CS-SNICKERDOODLE-03 | CS-SNICKERDOODLE-01 | SEN0244 | HCPL-3000 | HCPL-3000-300E | HCPL-3000-500E | HCPL-3000-000E | 2657 | GSB443133HR | FST33X257QSPX |
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