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CH438L AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH438L product

CH438L

UART

UARTInterfaceWCH

The CH438L is a high-performance 8-channel UART controller designed for expanding serial connectivity in embedded systems via a parallel bus.

Best for

  • High-density serial port expansion
  • Embedded systems with parallel bus

Avoid if

  • Applications requiring only a single UART
  • Systems lacking parallel bus interface

Check before use

  • Clock frequency configuration
  • Parallel interface timing

Key specifications

UART Channels
8
Max Baud Rate
4 Mbps
FIFO
128 bytes

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial AutomationEmbedded Systems

Datasheet

5ab44b3a00ad939eae2354f07a73bd47_2403131122_WCH-Jiangsu-Qin-Heng-CH438L_C2685239.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH438L: 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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Alternative components

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

Design and risk insights

Questions & answers

The CH438L is an 8-channel UART chip that provides independent serial communication ports, compatible with industry-standard 16C550/16C750 UARTs.