LAN9645xF & LAN9645xS Gigabit Ethernet Switches

Microchip Technology LAN9645xF and LAN9645xS Gigabit Ethernet Switches provide high-speed, reliable communication to connect and control industrial devices in real time. The LAN9645xF and LAN9645xS switches offer multiple configurations for specific application needs and are available in five-, seven-, and nine-port options with up to five integrated 10/100/1000BASE-T PHYs. These Microchip Ethernet switches can operate in stand-alone unmanaged system configurations or in managed mode with full Linux Distributed Switch Architecture (DSA) support on a connected host. The LAN9645xF device supports advanced features, such as time-sensitive networking (TSN) and audio video bridging (AVB) in the managed mode of operation.

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Qty. RoHS ECAD Model Mounting Style
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Number of Transceivers
Data Rate
Interface Type
Supply Voltage - Min
Supply Voltage - Max
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Maximum Operating Temperature
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Standard Features
Datasheet
90Expected 23/03/2026
Min.: 1
Mult.: 1
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 90
Mult.: 90
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 168
Mult.: 168
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 5 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 5 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 90
Mult.: 90
SMD/SMT TQFP-128 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 168
Mult.: 168
SMD/SMT VQFN-156 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 90
Mult.: 90
SMD/SMT TQFP-128 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 168
Mult.: 168
SMD/SMT VQFN-156 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 7 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Switch 10/100/1000BASE-T 7 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, RMII, RGMII, SGMII, SPI 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 90
Mult.: 90
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Full Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 90
Mult.: 90
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 168
Mult.: 168
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1,000
Mult.: 1,000
SMD/SMT TQFP-128 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C
Microchip Technology Ethernet ICs 9 port Ethernet Switch with Standard Features
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,500
Mult.: 2,500
SMD/SMT VQFN-156 Ethernet Unmanaged Switch 10/100/1000BASE-T 9 Transceiver 1.25 Gb/s, 3.125 Gb/s, 5 Gb/s I2C, SPI, MIIM, UART 1.15 V 3.3 V - 40 C + 85 C