PI3B3253QEX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multiplexer/Demultiplexer
Circuit:	2 x 4:1
Independent Circuits:	1
Current - Output High, Low:	--
Voltage Supply Source:	Single Supply
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	16-QSOP
Base Part Number:	3253

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Introduction

PI3B3253QEX is a logic – signal switch, multiplexer, decoder product from Pericom and is designed for applications requiring signal and data processing. It is a hybrid device, and it combines signal switching, signal multiplexing, and decoder components into one package. The multiplexer gives access to many values, and the decoder decodes these values for further signal/data processing. In addition to the multiplexer, the switching circuitry in this device enables users to switch between signals and data streams rapidly, providing for enhanced signal processing. Furthermore, this device is capable of driving high-speed logic functions, such as memory access, in applications where switching and multiplexing of multiple signals is needed.

Features & Benefits

As a logic – signal switch, PI3B3253QEX can switch between up to four cascaded digital signal channels that are as low as 2 mV. The device also provides support for multiplexing of up to one hundred different voltage levels across its input and output channels. Furthermore, it has a programmable logic – signal map that allows users to configure their circuit topology in any way they need. In addition, the integrated decoder module allows users to decode up to 256 messages or data points to further extend the circuit’s functions and processing capabilities.Other features of the device include 4 unitloads for data loading, low propagation delay (1.4ns typical), low power consumption (25 mW typical), low ground bounce (35 mV typical), low skew (3ns typical), flexible logic levels (from 2 mV up to 6V), extremely high switching speed of up to 200MHz, and integrated differential inputs/outputs for improved signal integrity. These features make PI3B3253QEX an ideal solution for applications needing signal and data processing for high speed, low power and low noise requirements.

Applications

PI3B3253QEX is ideal for applications requiring rapid switching between multiple signals and data streams, such as memory access, data busing, and controlling logic signals. For optical communication applications, its integrated multiplexer and decoder modules make it well suited for fiber channel and broadband switch backplane applications. Additionally, its fast switching speed, low propagation delay, and low power consumption make it suitable for multi-port Ethernet switches, switch fabrics, and any other application where signal and data switching is required.The device’s low ground bounce, low skew, and integrated differential inputs/outputs make it suitable for high performance digital signal processing applications, such as medical imaging and imaging systems. Additionally, its high density, small footprint, and low power consumption make it excellent for portable device applications, such as handheld medical scanners and other devices that need signal and data processing.

Working Principle

The device works with a digital logic/signal switching scheme. When an input signal is applied, the device will use its multiplexer/decoder module to select the desired voltage and provide this voltage to the output signal. This signal is then driven through its switching circuitry to the output, allowing it to switch between the multiple inputs and outputs rapidly. The integrated logic-signal map then uses this signal to control the switching between the multiple signals and data streams desired by the user. The device is also able to drive any desired signal or data stream with the aid of its high-speed logic functions. As such, it is able to rapidly switch between these signals and streams for the desired purpose. The device is also able to measure the requested voltage, control the power consumed by the device and adjust it according to the user’s needs.

Conclusion

In conclusion, PI3B3253QEX is an excellent logic – signal switch, multiplexer, decoder device that provides rapid switching between multiple signals and data streams and offers integrated multiplexer and decoder modules that make it well-suited for applications, such as a fiber channel and broadband switch backplane, and high performance, low power and low noise needs. Furthermore, its fast switching speed, low propagation delay, low power consumption, and small footprint make it an ideal solution for any application requiring data and signal switching.

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