PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Product	Mounting Style	Package / Case	Maximum Operating Temperature	Series	Packaging	Operating Supply Voltage	Data Rate	Interface Type	Number of Transceivers
KSZ9021RN	1+ $4.590 10+ $3.820 25+ $3.180 100+ $3.080	PDF RFQ	871 In-stock	Micrel / Microchip Technology	Ethernet ICs Gigabit Ethernet Transceiver with RGMII	Ethernet Transceivers	SMD/SMT	QFN-48	+ 70 C	KSZ9021	Bulk	1.14 V to 3.465 V			1 Transceiver
KSZ9021GN	1+ $4.590 10+ $3.820 25+ $3.180 100+ $3.080	PDF RFQ	682 In-stock	Micrel / Microchip Technology	Ethernet ICs Gigabit Ethernet Transceiver with GMII/MII	Ethernet Transceivers	SMD/SMT	QFN-64	+ 70 C	KSZ9021	Bulk	1.14 V to 3.465 V			1 Transceiver
KSZ9021RL	1+ $4.280 10+ $3.560 25+ $2.960 100+ $2.870	PDF RFQ	171 In-stock	Micrel / Microchip Technology	Ethernet ICs Gigabit Ethernet Transceiver with GMII	Ethernet Transceivers	SMD/SMT	LQFP-64	+ 70 C	KSZ9021	Bulk	1.14 V to 3.465 V	10 Mb/s, 100 Mb/s, 1000Mb/s	GMII	1 Transceiver
KSZ9021GQ	1+ $4.280 10+ $3.560 25+ $2.960 100+ $2.870	PDF RFQ	218 In-stock	Micrel / Microchip Technology	Ethernet ICs Gigabit Ethernet Transceiver with GMII/MII	Ethernet Transceivers	SMD/SMT	PQFP-128	+ 70 C	KSZ9021	Bulk	1.14 V to 3.465 V	10 Mb/s, 100 Mb/s, 1000Mb/s	GMII, MII	1 Transceiver