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FST3126 - Quad Bus Switch

Download the FST3126 datasheet PDF. This datasheet also covers the FST variant, as both devices belong to the same quad bus switch family and are provided as variant models within a single manufacturer datasheet.

General Description

The Fairchild Switch FST3126 provides four high-speed CMOS TTL-compatible bus switches.

The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.

Key Features

  • s 4Ω 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 FST3126M FST3126QSC FST3126MTC Package Number M14A MQA16 MTC14 Package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (FST-3126.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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FST3125 4-Bit Bus Switch ON Semiconductor
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Other Datasheets by Fairchild (now onsemi)

Part Number Description
FST3125 Quad Bus Switch
FST32211 40/48-Bit Bus Switch
FST32211G 40/48-Bit Bus Switch
FST32245QSC Octal Bus Switch with 25 Series Resistor in Outputs (Preliminary)
FST32245WM Octal Bus Switch with 25 Series Resistor in Outputs (Preliminary)

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
FST3126 4-Bit Bus Switch August 1997 Revised January 2005 FST3126 4-Bit Bus Switch General Description The Fairchild Switch FST3126 provides four high-speed CMOS TTL-compatible bus switches. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The device is organized as four 1-bit switches with separate OE inputs. When OE is HIGH, the switch is ON and Port A is connected to Port B. When OE is LOW, the switch is OPEN and a high-impedance state exists between the two ports. Features s 4Ω 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.