KSZ8721BLI vs KSZ8721CL Comparison

Detailed side-by-side comparison of KSZ8721BLI by Microchip Technology and KSZ8721CL by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
KSZ8721BLI KSZ8721BLI - 3.3V 10/100 Ethernet PHY | Microchip

KSZ8721BLI - 3.3V 10/100 Ethernet PHY | Microchip

KSZ8721BLI ✓ Active
Microchip Technology
KSZ8721CL KSZ8721CL - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip

KSZ8721CL - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip

KSZ8721CL Unknown

Specification Comparison

Parameter KSZ8721BLI KSZ8721CL
Brand Microchip Technology Microchip Technology
Category Interface ICs Interface ICs
Lifecycle Status Active Unknown
Product Type 10/100BASE-TX/FX Ethernet physical-layer transceiver 10/100BASE-TX/FX Ethernet physical-layer transceiver
Supply Voltage 3.3 V 3 V to 3.6 V
Operating Voltage Range 2.5 V to 3.3 V —
Data Rate 10 Mbps and 100 Mbps —
Copper Media Support 10BASE-T and 100BASE-TX —
Fiber Media Support 100BASE-FX —
Host Interface MII and RMII MII and RMII
Number of Transceivers 1 —
Ethernet Standards IEEE 802.3 and IEEE 802.3u —
Auto Crossover MDI/MDI-X auto-crossover —
Package 48-LQFP, 7 x 7 mm 48-LQFP, 7 x 7 mm
Pin Count 48 pins —
Mounting Type Surface mount Surface mount
Industrial Temperature Range -40°C to +85°C —
RoHS Status Compliant [DATA_NEEDED: RoHS compliance status]
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] —
Lead-Free Status [DATA_NEEDED: lead-free status] Lead free
Halogen-Free Status [DATA_NEEDED: halogen-free status] —
Conflict Minerals Status [DATA_NEEDED: conflict-minerals status] —
Observed Unit Price $2.5389 as of 2026-10-30 —
Distributor Availability In stock at LCSC as of 2026-10-30 —
Number of Drivers — 1 driver
Number of Receivers — 1 receiver
Ethernet Modes — 10BASE-T, 100BASE-TX, and 100BASE-FX
Distributor Interface Designation — Full MII
Single-Supply Description — 3.3 V single power supply
Manufacturer Low-Voltage Operation Statement — 2.5 V operation
Packaging — Tray
Operating Temperature Range — [DATA_NEEDED: operating temperature range]
Ethernet Standard — IEEE 802.3u
Data Rate Support — 10 Mbps and 100 Mbps
Clock Output — [DATA_NEEDED: clock output specification]
Junction Temperature — [DATA_NEEDED: junction temperature rating]

Datasheets & Resources

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