Broadcom BCM84891L
BCM84891L is a single 10GBASE-T/ 5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX Ethernet CMOS transceiver. The device performs all physical-layer functions for 10GBASE-T, 5GBASE-T, 2.5GBASE-T, 1000BASE-T, and 100BASE-TX Ethernet on Category 6, 6A, or 7 twisted-pair cable. The 5GBASE-T, 2.5GBASE-T, 1000BASE-T, and 100BASE-TX can operate on standard Category 5e UTP.
| Part No. |
BCM84891L |
| Datasheet |
BCM84891L
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| Manufacturer |
 Broadcom |
| Description |
10GBASE-T/5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX Transceiver |
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GENERAL DESCRIPTION
The Broadcom® The BCM84891L supports the XFI/10GBASE-KR, USXGMII, 5000BASE-R, 2500BASE-R, 5000BASE-X, 2500BASE-X, and 1000BASE-X (SGMII) interface for connection to a MAC. The BCM84891L is a highly integrated solution that combines digital adaptive equalizers, ADCs, phase-locked loops, line drivers, encoders, decoders, echo cancelers, crosstalk cancelers, and all the required support circuitry. The BCM84891L features the Energy Efficient Ethernet (EEE) protocol. EEE enables the BCM84891L to autonegotiate and operate with EEE-compliant link partners to reduce overall system power during low utilization of the link. Broadcom’s AutogrEEEn® mode permits legacy systems to enjoy the power saving benefits of EEE. The BCM84891L automatically negotiates an operating speed with any transceiver on the opposite end of the line. The BCM84891L features Enhanced Cable Diagnostics, which detects common cable problems such as shorts, opens, and cable length. APPLICATIONS
● 10-Gigabi...
