FSTD32211GX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Bus Switch
Circuit:	12 x 1:1
Independent Circuits:	4
Current - Output High, Low:	--
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	114-LFBGA
Supplier Device Package:	114-BGA (16x5.5)
Base Part Number:	32211

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Introduction

Logic - Signal Switches, Multiplexers, Decoders are semiconductor devices that allow for the control, multiplexing, and decoding of digital signals. Among those devices is FSTD32211GX, a all-around digital switch, which supports both low-power, low-voltage operation, and low-capacitive ON-OFF switching. This article will discuss the application field and working principle of FSTD32211GX.

Application Field

FSTD32211GX can be applied to various digital circuits, such as bus buses, crossbar switches, clock gating, serializers and deserializers as well as parity checkers. The low power dissipation of FSTD32211GX makes it suitable for establishing low power systems. Additionally, the device supports low-voltage operation and low-capacitive ON-OFF switching, making it ideal for use in high-speed digital systems.

Working Principle

The working mechanism of FSTD32211GX follows the basic concept of digital switching. The device consists of two power supply pins for VDD and VDDB. VDD is the main power supply for the device and sets the upper range of the switch. While power is supplied from VDD, VDDB sets the lower voltage range of the device. The FSTD32211GX is controlled by several logic inputs, including EN, SEL, TT1, and TT2. The EN input allows the device to be turned on and off, while SEL selects the output channel of the FSTD32211GX. TT1 and TT2 control the transistor latch, when TT1 is high and TT2 is low, the internal switch is turned on. When TT1 is low and TT2 is high, the internal switch is turned off. A variety of signals can be sent through the FSTD32211GX. When the EN and SEL inputs are both high, the input signal is sent to the switch. During switching, the VDD acts as the upper supply voltage, while the VDDB is set as the lower supply voltage. When the switch is turned on, the input signals are sent to the output. However, when the switch is off, all of the incoming signals are blocked.

Conclusion

FSTD32211GX is a versatile digital switch that is capable of maintaining low power dissipation and low voltage operation, making it an ideal choice for high-speed digital systems. The device can be used to control, multiplex, and decode digital signals in a variety of applications such as bus buses, crossbar switches, clock gating, parity checkers, serializers and deserializers. The FSTD32211GX is controlled by a variety of logic inputs including EN, SEL, TT1, and TT2. The device operates on a basic switching principle, allowing the user to control the voltage range of the incoming and outgoing signals.

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