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BCM5221A4KMLG
+BOMIC TRANSCEIVER 1/1
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Nhà sản xuấtCông ty TNHH Broadcom
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Ông. Phần #BCM5221A4KMLG
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Supplier | Broadcom Limited |
| Package / Case | Tray |
| Part Status | Active |
| Type | Transceiver |
| Protocol | Ethernet |
| Number of Drivers/Receivers | 1/1 |
| Voltage - Supply | 2.5V ~ 3.3V |
| Operating Temperature | -40°C ~ 85°C |
Tổng quan
Description
BCM5221A4KMLG is Broadcom’s single‑chip Gigabit Ethernet controller (MAC + PHY). It provides the MAC and the physical 1000BASE-T/100BASE-TX PHY for devices with an RJ-45 port, suitable for NICs, routers, and embedded networking gear. The A4KMLG suffix denotes the device revision (A4) and the MLG packaging type (a compact surface‑mount package used in OEM designs). Typical features include auto‑negotiation and operation in full or half duplex, with standard Ethernet protocol handling. Exact capabilities (host interface, register map, LED controls, power, timing, and pinout) are defined in the BCM5221 datasheet and packaging drawings. For design and integration, consult Broadcom’s official documentation and hardware reference guides.
Features
Here are the typical features of Broadcom BCM5221A4KMLG:
- Quad-port 10/100/1000BASE-T Ethernet PHYs (each port supports 10/100/1000 Mbps)
- Auto-negotiation with full/half duplex on every port
- Auto MDI/MDI-X crossover on all ports
- MDIO/MDC Management Interface for PHY register access
- IEEE 802.3 10/100/1000BASE-T compliance
- IEEE 802.3x flow control (full duplex)
- IEEE 802.3az Energy Efficient Ethernet (EEE) support
- Per-port status/LED indicators and basic diagnostic/loopback modes
- RoHS-compliant, suitable for embedded NIC/switch designs
Note: For exact electrical specs, pinout, timing, and packaging details, refer to the official BCM5221A4KMLG datasheet.
- Quad-port 10/100/1000BASE-T Ethernet PHYs (each port supports 10/100/1000 Mbps)
- Auto-negotiation with full/half duplex on every port
- Auto MDI/MDI-X crossover on all ports
- MDIO/MDC Management Interface for PHY register access
- IEEE 802.3 10/100/1000BASE-T compliance
- IEEE 802.3x flow control (full duplex)
- IEEE 802.3az Energy Efficient Ethernet (EEE) support
- Per-port status/LED indicators and basic diagnostic/loopback modes
- RoHS-compliant, suitable for embedded NIC/switch designs
Note: For exact electrical specs, pinout, timing, and packaging details, refer to the official BCM5221A4KMLG datasheet.
Pinout
- Pin count: 28 pins (MLG package)
- Function: 10/100 Mbps Fast Ethernet PHY transceiver (MAC-to-MDI) with MII/SMI management interface.
- Function: 10/100 Mbps Fast Ethernet PHY transceiver (MAC-to-MDI) with MII/SMI management interface.
Manufacturer
- Manufacturer: Broadcom Inc. (Broadcom)
- Company type: A multinational fabless semiconductor company that designs and sells semiconductors and infrastructure software; chip fabrication is outsourced to external foundries.
- Company type: A multinational fabless semiconductor company that designs and sells semiconductors and infrastructure software; chip fabrication is outsourced to external foundries.
Application
BCM5221A4KMLG is a Broadcom Ethernet PHY (external PHY) used to provide multi-port copper Ethernet connectivity (10/100/1000BASE-T).
Typical application areas:
- Home and enterprise networking: routers, switches, NICs, multi-port hubs
- Embedded networking in consumer devices: IP cameras, set-top boxes, VoIP phones, printers, gaming consoles, NAS
- Industrial and automation equipment: PLCs, industrial gateways, remote telemetry, HMI devices
- OEM/IoT gateways and microservers needing multiple Ethernet ports
- Edge devices requiring high-density PHY interfaces
Typical application areas:
- Home and enterprise networking: routers, switches, NICs, multi-port hubs
- Embedded networking in consumer devices: IP cameras, set-top boxes, VoIP phones, printers, gaming consoles, NAS
- Industrial and automation equipment: PLCs, industrial gateways, remote telemetry, HMI devices
- OEM/IoT gateways and microservers needing multiple Ethernet ports
- Edge devices requiring high-density PHY interfaces
Package
Micro Lead Grid Array (MLG) package — i.e., a BGA-type package.
