(China (Mainland))
Product Summary
Operating with a 2.5V core to meet low-voltage and low-power requirements, the KSZ8721B is a 10BASE-T/100BASE-TX/FX Physical Layer Transceiver that uses MII and RMII interfaces to transmit and receive data. The KSZ8721B contains 10BASE-T Physical Medium Attachment (PMA), Physical Medium Dependent (PMD), and Physical Coding Sub-layer (PCS) functions. The KSZ8721B also has on-chip 10BASE-T output filtering.
Parametrics
KSZ8721B 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
KSZ8721B features: (1)Single chip 100BASE-TX/100BASE-FX/10BASE-T physical layer solution ; (2)2.5V CMOS design; 2.5/3.3V tolerance on I/O ; (3)3.3V single power supply with built-in voltage regulator; Power consumption <340mW (including output driver current) ; (4)Fully compliant to IEEE 802.3u standard ; (5)Supports MII and Reduced MII (RMII) ; (6)Supports 10BASE-T, 100BASE-TX, and 100BASE-FX with Far_End_Fault Detection ; (7)Supports power-down and power-saving modes ; (8)Configurable through MII serial management ports or via external control pins.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||||
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 KSZ8721B |
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IC TXRX PHY 10/100 2.5V 48-SSOP |
Data Sheet |
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KSZ8721B TR |
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IC TXRX PHY 10/100 2.5V 48SSOP |
Data Sheet |
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KSZ8721BI |
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IC TXRX PHY 10/100 2.5V 48SSOP |
Data Sheet |
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KSZ8721BA4 TR |
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TXRX 10/100 3.3V 48-SSOP |
Data Sheet |
Negotiable |
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KSZ8721BA4 |
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TXRX 10/100 3.3V 48-SSOP |
Data Sheet |
Negotiable |
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KSZ8721B-EVAL |
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BOARD EVALUATION FOR KSZ8721B |
Data Sheet |
Negotiable |
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KSZ8721BI TR |
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TXRX PHY 10/100 2.3.3/5V 48-SSOP |
Data Sheet |
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KSZ8721BL TR |
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IC TXRX PHY 10/100 3.3V 48LQFP |
Data Sheet |
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