PLC Autocontroller | 20 years of excellence in industrial automation parts supply
U-08B| Ethernet switch controller
PLC Autocontroller | Sales Manager May | Wechat id: dcsfcs
What is the U-08B?
U-08B (RTL8308B) is a single-chip 8-port 10/100 Mbps Ethernet switch controller — embedded memory,
MII/RMII, auto-MDIX, store-and-forward, 0.18 µm CMOS; turns any MCU board into a plug-and-play network switch without external SRAM.
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Knob
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Factory Value
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Field Bonus
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Ports
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8 × 10/100 BASE-TX
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auto-MDIX, auto-negotiation
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MAC
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1 K entries, 0.2 µs lookup
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store-and-forward, 148 800 fps/port
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Buffer
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128 KB on-chip SRAM
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no external memory, BOM saved
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Interface
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MII / RMII / SMI
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direct to MCU, FPGA, SoC
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Voltage
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2.5 V core, 3.3 V I/O
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single 25 MHz crystal, < 300 mW
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Temp
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0 … +70 °C (commercial)
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128-pin PQFP, 14 × 14 mm
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Package
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RTL8308B (U-08B marking)
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lead-free available (-LF suffix)
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Applications
u Industrial automation control systems: Used to expand the I/O capabilities of PLC systems to meet complex control requirements.
u Production line automation: Adds connection points for sensors, actuators, and other devices on the production line.
u Equipment monitoring and control: Used to monitor and control the status and operation of multiple devices.
Contact Hotline
Sales Manager May
E-mail: ab@mooreplc.com
Phone: +86-18106909650 (whatsapp)
Wechat id: dcsfcs
What happens next?
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Your quote
You’ll get a fully customized quote to fit your unique needs.
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