KSZ9021RL Datasheet, PDF (1/2 Pages) Micrel Semiconductor – Single-port 10/100/1000Base-T Gigabit Transceiver

KSZ9021GQ
KSZ9021RL
Product Brief
Single-port 10/100/1000Base-T Gigabit Transceiver
Description
The KSZ9021GQ and KSZ9021RL are single-port
10/100/1000Base-T Gigabit transceivers, supporting data
transfer over standard CAT-5 unshielded twisted pair
cable. This device offers robust performance and low
power consumption. On-chip integration of termination
resistors and LDO controller, along with built-in diagnostic
features, significantly reduces the cost and the complexity
of Gigabit Ethernet applications. This device is ideal for
enabling Gigabit Ethernet performance in SOHO and SMB
networking applications, such as media converter, GEPON
ONU router, wired/wireless Gigabit SOHO/SMB router,
and VoIP gateway.
The device is available in two RoHS-compliant package
options - 128-pin QFP (KSZ9021GQ, supporting GMII/MII)
and 64-pin E-LQFP (KSZ9021RL, supporting RGMI).
Industrial grade is also available.
The datasheets and support documentation can be found
on Micrel’s web site at: www.micrel.com.
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Block Diagram
M E D IA
IN T E R F A C E
PMA
T X 1 0 /1 0 0 /1 0 0 0
PMA
RX1000
PMA
RX100
Clock Reset
C o n fig u ra tio n s
PCS1000
PCS100
G M II/R G M II/M II
Interface
PMA
RX10
PCS10
AUTO
N E G O T IA TIO N
LED
D R IV E R S
Micrel, Inc. TEL: [phone] FAX: + 1 408.474.1000 http://www.micrel.com