DS32ELX0421SQ Texas Instruments Integrated Circuit (Other) In Stock
DS32ELX0421SQ is a high-speed link serializer IC from Texas Instruments designed to convert parallel data streams into serial LVDS or CML output signals for backplane and data link applications. It supports multi-gigabit serial data rates and integrates input parallel logic with differential serial outputs in a compact QFN package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of DS32ELX0421SQ?
- Serializes parallel data to high-speed differential serial output at multi-gigabit data rates for LVDS and CML interfaces
- Integrated parallel input logic with differential LVDS/CML serial output reduces board component count
- Compact QFN package enables dense multi-channel serializer layouts on high-speed PCBs
What is DS32ELX0421SQ used for?
DS32ELX0421SQ is used in high-speed backplane interconnects, optical networking line cards, and test and measurement equipment that require reliable parallel-to-serial data conversion over differential transmission lines. Its high data rate serialization capability makes it suitable for switching fabrics and FPGA-to-ASIC communication links operating at gigabit speeds. The device is also used in military and communications systems requiring robust high-speed serial link performance across extended temperature ranges.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Country of Origin | Country of Origin |
What are equivalent replacements for DS32ELX0421SQ?
Compatible alternatives and drop-in replacements for DS32ELX0421SQ:
Frequently Asked Questions
What serial interface standards does DS32ELX0421SQ support for its differential output signals?
DS32ELX0421SQ supports LVDS and CML differential output standards, both of which are suited for multi-gigabit data transmission over PCB traces and backplane connectors at data rates exceeding 1 Gbps. LVDS outputs typically swing 350 mV differentially, while CML outputs can drive 100-ohm terminated transmission lines directly.
In which system-level architectures is DS32ELX0421SQ most commonly deployed as a serializer?
DS32ELX0421SQ is most commonly deployed in switch fabric backplanes, optical transceiver line cards, and high-speed ADC data interfaces where parallel-to-serial conversion at 2.5 Gbps or higher is needed. The device reduces pin counts on high-density board-to-board connectors by serializing 4 or more parallel data lanes into a single differential serial stream.
How does DS32ELX0421SQ help reduce connector pin count in backplane designs?
By serializing multiple parallel data bits into a single differential serial pair, DS32ELX0421SQ can reduce a 4-bit parallel interface requiring 8 single-ended or 4 differential pins down to a single differential pair of 2 pins. This 4:1 or higher reduction in connector pins lowers connector cost, reduces EMI coupling, and simplifies PCB routing in dense backplane environments with 40-layer or more stack-ups.
What temperature range does DS32ELX0421SQ support, and is it suitable for industrial environments?
DS32ELX0421SQ is rated for an industrial operating temperature range of -40°C to +85°C, making it suitable for deployment in outdoor telecom equipment, industrial control systems, and military communications platforms. The extended temperature rating ensures reliable serial link operation across harsh thermal environments without requiring active thermal management in many designs.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
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