DS32EL0421SQE/NOPB

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Serializer
Data Rate:	3.125Gbps
Input Type:	LVDS
Output Type:	CML
Number of Inputs:	5
Number of Outputs:	1
Voltage - Supply:	2.5V, 3.3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-WFQFN Exposed Pad
Supplier Device Package:	48-WQFN (7x7)
Base Part Number:	DS32EL0421

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<div class="main"> <p>The DS32EL0421SQE/NOPB is a serial link-layer device from Texas Instruments’ family of Serializers and Deserializers (SERDES) products. This device meets the requirements for various interface applications, including driving and receiving High-Speed Serial (HSS) interfaces on printed circuit boards. This article examines the DS32EL0421SQE/NOPB from the perspective of its application field and working principle.</p> <h2>Application Field for DS32EL0421SQE/NOPB</h2> <p>The DS32EL0421SQE/NOPB is a single-ended, high-speed unidirectional Serializer/Deserializer (SERDES). It is designed to be relatively small, and provides physical and electrical isolation between data inputs and outputs. In addition, it offers enhanced ESD protection and low power consumption, making the part suitable for a wide range of Low-Voltage Differential Signaling (LVDS) applications. For example, the device is used in switches, routers, system controllers and networks.</p> <p>The device was designed for use in data communication systems which use serial bus transmission. It is ideal for applications that need to convert a serial, byte-wide data stream from one clock domain to another. Examples include common-bus designs, such as packet-based networks, along with control-line communication systems which connect discrete electronic components, such as personal computers and peripherals. In addition, this SERDES would be suitable for any application requiring a single-ended LVDS interface.</p> <h2>Working Principle of DS32EL0421SQE/NOPB</h2> <p>The DS32EL0421SQE/NOPB is a single-ended, high-speed SERDES, which was designed to be relatively small and power-efficient. In addition, the device offers enhanced ESD protection and a high-speed interface which allows for fast data transmission. Its working principle is relatively simple and is based on a transceiving serializer/deserializer (SERDES) architecture.</p> <p>The SERDES consists of a serializer, which is responsible for converting parallel data into a serial stream, and a deserializer, which performs the reverse operation. Both the serializer and deserializer operate independently and have their own data paths. In this architecture, the serial stream is transmitted over a unidirectional serial bus, which is usually a single-ended LVDS driver.</p> <p>The SERDES is designed with a pair of functional units: a serializer and a deserializer. The serializer can convert up to eight bits of parallel data into a serial data stream, while the deserializer can convert up to sixteen bits of serial data into a parallel data stream. In addition, the device offers built-in clocking support, ESD protection and low-power features.</p> <p>The SERDES is also capable of operating at various clock speeds, up to 400MHz, which makes it suitable for various applications. The device is configured to operate as either a transmitter or a receiver, depending on which way the data is flowing. This ensures that the sender and the receiver are sending and receiving data in the correct order.</p> <h2>Conclusion</h2> <p>The DS32EL0421SQE/NOPB is a serial link-layer device from the family of Serializers and Deserializers (SERDES) products. It meets the requirements for various interface applications, such as driving and receiving High-Speed Serial (HSS) interfaces on printed circuit boards. Its working principle is based on a transceiving SERDES architecture, which supports a single-ended LVDS interface. The DS32EL0421SQE/NOPB is suitable for a wide range of applications, including switches, routers, system controllers and networks, and is capable of operating at various clock speeds up to 400MHz.</p></div>

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