KSZ8721BLI Microchips Ethernet Physical Layer Transceiver PHY Chip
Specifications
Manufacturer:
Microchip Technology
Product Number:
KSZ8721BLI
Description:
IC TRANSCEIVER FULL 1/1 48LQFP
Highlight:
KSZ8721BLI Microchips
,KSZ8721BLI PHY chip
,Ethernet Physical Layer Transceiver chip
Introduction
KSZ8721BLI Ethernet Physical Layer Transceiver (PHY)
| Manufacturer | Microchip Technology |
|---|---|
| Product Number | KSZ8721BLI |
| Description | IC TRANSCEIVER FULL 1/1 48LQFP |
The KSZ8721BLI is a 10/100BASE-T/TX/FX Ethernet physical layer transceiver (PHY) from Microchip Technology designed for high-performance network connectivity in embedded systems.
Key Features
- Ethernet Standards Compliance
- Supports 10BASE-T, 100BASE-TX, and 100BASE-FX standards, fully compliant with IEEE 802.3 & IEEE 802.3u
- Integrated Physical Medium Attachment (PMA), Physical Medium Dependent (PMD), and Physical Coding Sublayer (PCS) functions
- Interfaces & Flexibility
- Supports MII (Media Independent Interface) and RMII (Reduced MII) for host communication
- On-chip 10BASE-T output filtering, eliminating the need for external filters
- Auto-Negotiation & Configuration
- Automatic speed (10/100 Mbps) and duplex (full/half) negotiation
- Configurable via MII management interface or external control pins
- Power Efficiency
- Single 3.3V power supply with built-in regulator (2.5V core)
- Low power consumption (< 340mW, including driver current)
- Robust Design
- 48-pin LQFP package (7×7 mm, surface-mount)
- Industrial temperature range (-40 °C to +85°C)
Applications
- Industrial Automation: PLCs, motor control systems
- Consumer Electronics: Smart home devices, network printers
- Telecom & Networking: Routers, switches, and modems
- Embedded Systems: IoT gateways, medical devices
Technical Summary
- Package: 48-pin LQFP
- Data Rates: 10/100 Mbps
- Key Protocols: MII, RMII
- Compliance: RoHS, AEC-Q100 (industrial grade)
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