KSZ8091RNBCA

Product Overview

• Category: Ethernet Physical Layer Transceiver
• Use: The KSZ8091RNBCA is used for connecting Ethernet devices to a network. It provides the physical layer interface between the Ethernet MAC and the twisted pair cable.
• Characteristics: The KSZ8091RNBCA is a highly integrated transceiver that supports 10/100 Mbps data rates. It features low power consumption, small package size, and robust performance.
• Package: The KSZ8091RNBCA comes in a small form factor package, making it suitable for space-constrained applications.
• Essence: The essence of the KSZ8091RNBCA lies in its ability to provide reliable and efficient Ethernet connectivity in various electronic devices.
• Packaging/Quantity: The KSZ8091RNBCA is typically sold in reels or trays, with a quantity of 250 or 3000 units per reel/tray.

Specifications

• Data Rates: 10/100 Mbps
• Interface: MII (Media Independent Interface)
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN (Quad Flat No-Lead)
• Package Dimensions: 5mm x 5mm

Detailed Pin Configuration

The KSZ8091RNBCA has a total of 32 pins. Here is a detailed pin configuration:

1. VDDIO
2. TXD0
3. TXD1
4. TXEN
5. CRS
6. RXD0
7. RXD1
8. RXDV
9. MDIO
10. MDC
11. VDDA
12. VDDC
13. VDDXTAL
14. XTALOUT
15. XTALIN
16. VDDPLL
17. PLLLOCK
18. REFCLK
19. VDDREF
20. VDDRX
21. RXERR
22. RXDV/LED2
23. TXCLK/LED1
24. TXERR/LED0
25. VDDTX
26. TXEN/LED3
27. TXD0/LED4
28. TXD1/LED5
29. CRS/LED6
30. RXD0/LED7
31. RXD1/LED8
32. VSS

Functional Features

• Auto-Negotiation: The KSZ8091RNBCA supports auto-negotiation, allowing it to automatically determine the best data rate and duplex mode for the network connection.
• Energy Efficient Ethernet (EEE): This transceiver incorporates EEE technology, which reduces power consumption during periods of low network activity.
• LinkMD® Cable Diagnostics: The LinkMD feature enables cable diagnostics, allowing for quick identification of cable faults and issues.
• IEEE 1588 Precision Time Protocol (PTP): The KSZ8091RNBCA supports PTP, which enables precise synchronization of time-sensitive applications over Ethernet networks.

Advantages and Disadvantages

Advantages: - Compact package size - Low power consumption - Robust performance - Auto-negotiation support - Energy Efficient Ethernet technology - Cable diagnostics feature - PTP support for time-sensitive applications

Disadvantages: - Limited to 10/100 Mbps data rates - Not suitable for high-speed Ethernet applications

Working Principles

The KSZ8091RNBCA operates by receiving and transmitting electrical signals over a twisted pair cable. It interfaces with the Ethernet MAC through the MII interface. The transceiver converts the digital signals from the MAC into analog signals suitable for transmission over the cable, and vice versa.

Detailed Application Field Plans

The KSZ8091RNBCA is widely used in various applications, including:

1. Consumer Electronics: It can be found in smart TVs, set-top boxes, gaming consoles, and home automation systems.
2. Industrial Automation: The transceiver is used in industrial Ethernet switches, PLCs (Programmable Logic Controllers), and other automation equipment.
3. Automotive: It is utilized in automotive Ethernet applications such as infotainment systems, telematics, and advanced driver-assistance systems (ADAS).
4. Networking Equipment: The KSZ8091RNBCA is commonly used in routers, switches, and network interface cards (NICs).

Alternative Models

Here are some alternative models that offer similar functionality to the KSZ8091RNBCA:

1. KSZ8081RNB
2. KSZ8041RNL
3. KSZ9031RNX
4. DP83848CVV

These models provide comparable features and can be considered as alternatives depending on specific