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BCM5387KFBG 5-port Gigabit Ethernet switch IC with SPI interface, non-blocking 6-GbE switch fabric, and 128KB packet buffer in a 256-BGA package.
Mfr Part #:

BCM5387KFBG

Available from 3 distributors
Mfr Name: Broadcom Limited
Broadcom Limited
5-port Gigabit Ethernet switch IC with SPI interface, non-blocking 6-GbE switch fabric, and 128KB packet buffer in a 256-BGA package.
✓ Total Stock: 3,822 pcs

BCM5387KFBG Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
3,238 pcs
On Request
3238 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
494 pcs
On Request
494 pcs On Request 1 On Request On Request 14+ On Request On Request
Rayichip ✓
Non-Authorised Inventory information
90 pcs
On Request
90 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BCM5387KFBG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Function
Interface
Lead Style
Mounting Type
Number of Ports
Power Dissipation
Protocol
Supplier Device Package
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BCM5387KFBG Description

Short technical summary and product information.

The Broadcom BCM5387KFBG is a 5-port Gigabit Ethernet switch IC designed for SOHO and subnetwork applications. It integrates five MACs with support for 9KB jumbo frames and five SGMII/SerDes interfaces. The switch features a non-blocking 6-Gigabit Ethernet switch fabric and a 128KB packet buffer memory. It supports up to 4000 unicast MAC addresses, VLAN (802.1Q and port-based), QoS with 4 priority queues (802.1p/DiffServ), and full-duplex (802.3x) or half-duplex flow control. The device also supports Spanning Tree Protocol (STP and RSTP).

 

Powered by a low-power 0.13 µm CMOS core with 1.2V supply, the BCM5387KFBG dissipates less than 1.5W, enabling fanless operation. It is controlled via an SPI interface for easy setup and managed operation. The switch is suitable for both unmanaged plug-and-play and fully managed applications, with support for automatic address learning and aging, port aggregation, and port-based rate control with 64 kbps granularity.

 

The BCM5387KFBG is housed in a 256-pin FBGA package (17mm x 17mm) and is surface-mount compatible. It is RoHS3 compliant with MSL 1 (unlimited) and REACH unaffected.

BCM5387KFBG Quick Information

Product Type: Ethernet Switch
Canonical Name: Broadcom BCM5387KFBG 5-Port Gigabit Ethernet Switch
Subcategory: Switch

BCM5387KFBG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BCM5387KFBG Features

  • 5-Gigabit Ethernet ports with integrated SerDes.
  • Non-blocking 6-Gigabit Ethernet switch fabric.
  • Low power 0.13 µm CMOS core: <1.5W.
  • SPI interface for easy setup and management.
  • Supports 802.1Q VLAN and 4 priority QoS queues.

BCM5387KFBG Applications

  • Ideal for SOHO and subnetwork Ethernet switches.
  • Supports unmanaged plug-and-play switch applications.
  • Enables fully managed switch designs with STP/RSTP.
  • Suitable for cost-effective Gigabit Ethernet connectivity.

BCM5387KFBG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage of the BCM5387KFBG?

1.2 V.

What is the package type of the BCM5387KFBG?

256-pin FBGA (17x17 mm).

Is the BCM5387KFBG RoHS compliant?

Yes, RoHS3 compliant (low confidence, unverified).

What is the switch fabric capacity?

Non-blocking 6-Gigabit Ethernet.

How many MAC addresses does the BCM5387KFBG support?

Up to 4000 unicast MAC addresses.

Does the BCM5387KFBG support jumbo frames?

Yes, up to 9 KB jumbo frames.

What is the power dissipation of the BCM5387KFBG?

Less than 1.5 W.

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