BCM53101EKMLG - 7-Port 10/100 Ethernet Switch | Broadcom
Référence : BCM53101EKMLG ✓ ActifBCM53101EKMLG Présentation
An Ethernet switch is a network-interface controller that connects multiple internal or external nodes through dedicated or shared frame-processing resources. Within the semiconductor hierarchy, BCM53101EKMLG is a switch controller, interface IC, and integrated circuit rather than a general-purpose processor. Its integrated MAC, PHY, and buffer functions reduce the component count required for a multiport Fast Ethernet design and simplify software-facing network management.
The device is identified as a seven-port design that combines six Fast Ethernet connections with one Gigabit Ethernet connection. Five integrated 10/100 PHYs support copper networking interfaces, while the additional higher-speed port provides a path to a Gigabit Ethernet uplink. The integrated packet buffers help the switch manage frame traffic internally without requiring a separate switch controller for basic frame reception and forwarding.
The 65 nm CMOS implementation is significant for a multiport networking device because it supports a high level of analog and digital integration while operating from a 1.2 V supply. Low-voltage operation can reduce power requirements in network appliances, although the final system should account for regulator efficiency, signal conditioning, magnetics, and thermal conditions under real traffic loads.
Typical uses include compact Ethernet switches, network-interface controllers, industrial Ethernet equipment, embedded networking appliances, and access systems that combine multiple 10/100 links with a Gigabit uplink. The integrated PHY and MAC arrangement is particularly useful when board area, connector count, and design complexity must be controlled. External Ethernet transformers and carefully controlled impedance routing remain necessary for compliant copper interfaces.
Designers should use the manufacturer pin-description table when assigning balls, power rails, reference clocks, media interfaces, and configuration signals. Decoupling, clock integrity, thermal via placement, and high-speed signal routing should follow the manufacturer's reference layout. Before a substitution is approved, verify that the complete pin list, package, operating conditions, register behavior, and PHY specifications match the target design.
This page combines the BCM53101EKMLG functional summary, sourcing guidance, application context, design cautions, and a comparison framework intended to support faster engineering decisions. It emphasizes the differences that matter during component selection rather than presenting the switch as a generic Ethernet controller.
Alternatives de remplacement direct pour BCM53101EKMLG — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesBCM53101EKMLG Valeurs maximales et caractéristiques électriques
| Product Type | 7-port Ethernet switch controller |
| Ethernet Standard | 10/100 Base-T/TX |
| Number of Ports | 7 ports |
| Fast Ethernet Ports | 6 ports |
| Gigabit Ethernet Ports | 1 port |
| Integrated 10/100 MACs | 5 MACs |
| Integrated 10/100 PHYs | 5 PHYs |
| Tension d'alimentation de fonctionnement | 1.2 V |
| Process Technology | 65 nm |
| Switching Functions | Packet buffers, PHY transceivers, and media access controllers |
| Statut du cycle de vie | Active |
| Manufacturer | Broadcom Limited |
Guide de configuration des broches du BCM53101EKMLG standard
Configuration des broches du BCM53101EKMLG (boîtier standard). Ce composant analogique comporte des broches d'entrée, de sortie et d'alimentation. Consultez la fiche technique du fabricant pour les configurations des broches d'annulation d'offset, de compensation et d'activation. Idéal pour le conditionnement de signaux et les circuits amplificateurs.
Aucune donnée de brochage détaillée disponible pour BCM53101EKMLG.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
BCM53101EKMLG convient pour 6 applications: Compact Ethernet Switch, Industrial Network Interface, Network Appliance with Gigabit Uplink, Embedded Automation Controller, Access and Control System, IoT Gateway.
Compact Ethernet Switch
BCM53101EKMLG fits a compact Ethernet switch requiring five integrated 10/100 copper ports and a higher-speed uplink. Its five 10/100 MACs, five integrated PHYs, packet buffers, and one Gigabit Ethernet connection consolidate the core switching functions into one controller. Compared with a discrete-port design, this integration can reduce board area and component count. The 1.2 V operating supply still requires a clean regulator, careful clock distribution, and Ethernet magnetics, so integration does not eliminate the need for disciplined high-speed PCB implementation.
Recommandé
Industrial Network Interface
BCM53101EKMLG can serve industrial equipment that needs several Fast Ethernet device connections and a Gigabit uplink to a higher-level network. The five integrated 10/100 PHYs reduce the number of external copper-interface controller blocks, while the packet buffers and MAC functions support centralized frame handling. The 65 nm implementation and 1.2 V supply suit compact power architectures. For industrial deployment, verify the exact temperature rating, isolation strategy, surge requirements, EMC design, and regulatory requirements before production release.
Recommandé
Network Appliance with Gigabit Uplink
BCM53101EKMLG is appropriate for network appliances that need multiple 10/100 device ports plus one Gigabit Ethernet uplink. The device combines five Fast Ethernet MAC/PHY channels, one additional Fast Ethernet connection as described in the seven-port architecture, packet buffers, and a Gigabit port within one controller. This arrangement can simplify connectivity in gateways, embedded servers, and control enclosures. Firmware should validate media behavior, port configuration, thermal performance, and frame throughput under the intended traffic profile.
Recommandé
Embedded Automation Controller
BCM53101EKMLG supports embedded automation controllers that connect sensors, service modules, and supervisory equipment over Fast Ethernet while retaining a Gigabit uplink. The five integrated 10/100 PHYs provide direct copper connectivity, and the integrated MACs and packet buffers support efficient local frame processing. Because the controller combines analog PHY functions with digital logic, the design must separate sensitive Ethernet and clock routing from noisy power and switching circuitry. Confirm startup sequencing and management-software support for the selected platform.
Recommandé
Access and Control System
BCM53101EKMLG is suitable for access and control systems where multiple local Ethernet nodes must share an uplink. Five integrated 10/100 PHYs and MACs allow common media interfaces to be consolidated, while the additional port and Gigabit connection expand the system's connectivity hierarchy. This can reduce external switching-component count in space-constrained panels. Designers should account for copper magnetics, isolation requirements, connector layout, ESD protection strategy, and the thermal effect of sustained multiport traffic.
Recommandé
IoT Gateway
BCM53101EKMLG can form the Ethernet switching core of an IoT gateway that aggregates several Fast Ethernet devices and connects them to a Gigabit network. Its integrated five-port Fast Ethernet interface reduces the external component count compared with separate PHY and MAC arrangements, while packet buffering supports internal traffic management. The 1.2 V supply is appropriate for a dedicated low-voltage power tree. Low-power operation, thermal rise, and reboot behavior should be evaluated across the complete product rather than at nominal laboratory conditions.
Recommandé
Données de référence d'ingénierie pour BCM53101EKMLG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Brand | Broadcom |
| Total Port Count | 7 ports |
| Fast Ethernet Ports | 6 ports |
| Gigabit Ethernet Ports | 1 port |
| Integrated 10/100 MACs | 5 MACs |
| Integrated 10/100 PHYs | 5 PHYs |
| Operating Supply Voltage | 1.2 V |
| Process Technology | 65 nm |
| Lifecycle Status | Active |
Notes de conception
Use the Broadcom manufacturer datasheet and layout guidance before assigning Ethernet differential pairs, supplying clocking, or placing decoupling. Keep the 1.2 V rail and its return path stable across all integrated PHY and digital functions, place local bulk and high-frequency decoupling at the specified supply pins, and preserve the documented reference layout. The exact package and pin map are required before routing can be released safely.
Treat the five integrated 10/100 channels and the Gigabit connection as controlled-impedance interfaces. Follow the manufacturer's differential-pair geometry, via geometry, isolation spacing, and return-path guidance, and avoid placing noisy digital or power-conversion routes beneath the PHY area. Keep the reference clock distribution symmetrical and observe the maximum loading and jitter conditions specified by the manufacturer.
Design a dedicated low-voltage supply for the 1.2 V operating rail with adequate transient response for the integrated switching logic and PHYs. Estimate average controller dissipation from actual switching activity, port utilization, and rail voltage rather than assuming the nominal supply voltage alone. Confirm startup order, voltage tolerances, decoupling values, and any external clock requirements using the manufacturer electrical characteristics and reference circuit.
Do not infer pin compatibility from a similar Broadcom family name or from a distributor category label. The available BCM53124SKMMLG comparison does not establish an identical footprint or register map. A valid replacement must match the package, pin assignment, supply, clock, PHY/MAC configuration, and management behavior. Similarly, do not assume the five integrated PHYs account for every one of the seven listed ports without checking the physical media interfaces in the manufacturer documentation.
Informations de conformité
The product is an industrial Ethernet interface controller, so AEC-Q100 does not apply. Specific RoHS, REACH, lead-free, halogen-free, and conflict-minerals statements were not established for this ordering code.
