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FSTD3125 - 4-Bit Bus Switch with Level Shifting

Datasheet Summary

Description

The Fairchild Switch FSTD3125 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.

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 s TruTranslation voltage translation from 5.0V inputs to 3.3V outputs Ordering Code: Order Number FSTD3125M FSTD3125QSC FSTD3125MTC Package Number M14A MQA16 MTC14 Package.

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Datasheet Details

Part number FSTD3125
Manufacturer Fairchild Semiconductor
File Size 145.16 KB
Description 4-Bit Bus Switch with Level Shifting
Datasheet download datasheet FSTD3125 Datasheet
Additional preview pages of the FSTD3125 datasheet.

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Full PDF Text Transcription

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FSTD3125 4-Bit Bus Switch with Level Shifting June 2001 Revised June 2001 FSTD3125 4-Bit Bus Switch with Level Shifting General Description The Fairchild Switch FSTD3125 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. A diode to VCC has been integrated into the circuit to allow for level shifting between 5V inputs and 3.3V outputs. The device is organized as four 1-bit switches with separate OE inputs. When OE is LOW, the switch is ON and Port A is connected to Port B. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports.
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