Product Summary
The KSZ8001 is a 10BASE-T/100BASE-TX/FX Physical Layer Transceiver, operating the core at 1.8 volts to meet low voltage and low power requirements. The solution provides MII/RMII/SMII interfaces to transmit and receive data. A unique mixed-signal design extends signaling distance while reducing power consumption. The KSZ8001 provides the most robust solution for eliminating the need to differentiate between crossover and straight-through cables.
Parametrics
KSZ8001 absolute maximum ratings: (1)Storage Temperature (TS): -55℃ to +150℃; (2)Supply Referenced to GND: -0.5V to +4.0V; (3)All pins: -0.5V to +4.0V.
Features
KSZ8001 features: (1)Single chip 100BASE-TX/100BASE-FX/10BASE-T physical layer solution; (2)1.8V CMOS design, power consumption 250 mW; (3)Robust (130m+) operation over standard cables; (4)Supports Media Independent Interface (MII), Reduced MII (RMII), and Serial MII (SMII); (5)LinkMD feature to determine cable length and diagnose faulty cables up 200 m with +/- 2 m accuracy; (6)Supports HP MDI/MDI-X auto crossover; (7)Supports power down mode and power saving mode; (8)MDC/MDIO to 12.5 MHz for rapid configuration; (9)Fully compliant to IEEE 802.3u standard; (10)Supports auto-negotiation and manual selection for 10/100Mbps speed and full / half-duplex mode.
Diagrams

| Image | Part No | Mfg | Description | ![]() |
Pricing (USD) |
Quantity | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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![]() KSZ8001L |
![]() |
![]() IC TXRX PHY 10/100 3.3V 48-LQFP |
![]() Data Sheet |
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![]() |
![]() KSZ8001L TR |
![]() |
![]() TXRX 10/100 3.3V 48-LQFP |
![]() Data Sheet |
![]()
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![]() |
![]() KSZ8001LA2 |
![]() |
![]() TXRX 10/100 LINKMD 3.3V 48-LQFP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() KSZ8001LA2TR |
![]() |
![]() TXRX 10/100 LINKMD 3.3V 48-LQFP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() KSZ8001LA3 |
![]() |
![]() TXRX 10/100 LINKMD 3.3V 48-LQFP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() KSZ8001LA3TR |
![]() |
![]() TXRX 10/100 LINKMD 3.3V 48-LQFP |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() KSZ8001LI TR |
![]() |
![]() IC TXRX PHY 10/100 3.3V 48LQFP |
![]() Data Sheet |
![]()
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![]() |
![]() KSZ8001LI |
![]() |
![]() IC TXRX PHY 10/100 3.3V 48-LQFP |
![]() Data Sheet |
![]()
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(Hong Kong)









