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CH9121 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH9121 product

CH9121

Interface - Controllers

EthernetSerialTransparent Transmission

The CH9121 is a versatile network-to-serial transparent transmission chip designed for industrial and embedded applications requiring Ethernet connectivity.

Best for

  • Industrial equipment networking
  • Serial-to-Ethernet conversion

Avoid if

  • Applications requiring non-standard network protocols

Check before use

  • Ensure the correct package (TSSOP20 vs LQFP64M) is selected for your design.

Key specifications

Ethernet
10/100M MAC/PHY
Serial Ports
2
Baud Rate
300 bps - 10 Mbps
Supply Voltage
3.3 V

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial AutomationEmbedded Systems

Datasheet

7a29e09db14d4b71ebf95e84062b6b0f.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH9121: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The CH9121 is a network serial port transparent transmission chip that integrates a 10/100M Ethernet MAC and PHY, allowing serial devices to communicate over Ethernet networks.