WJLXT971ALC.A4-857342

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Communication and Networking
• Characteristics: High-speed, Low-power, Ethernet Transceiver
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Facilitates data transmission and reception in Ethernet networks
• Packaging/Quantity: Sold individually or in bulk packs

Specifications

• Manufacturer: WJ Communications
• Model Number: WJLXT971ALC.A4-857342
• Technology: CMOS
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 48
• Pin Pitch: 0.65 mm

Detailed Pin Configuration

1. VDDA
2. VSSA
3. TXEN
4. TXD[3]
5. TXD[2]
6. TXD[1]
7. TXD[0]
8. VSSD
9. TX_CLK
10. CRS_DV
11. RX_ER
12. RXD[0]
13. RXD[1]
14. RXD[2]
15. RXD[3]
16. RX_CLK
17. VSSR
18. MII_MDC
19. MII_MDIO
20. VDDR
21. VSSR
22. VDDT
23. VSSR
24. VDDI
25. VSSR
26. VDDO
27. VSSR
28. VDDP
29. VSSR
30. VDDQ
31. VSSR
32. VDDN
33. VSSR
34. VDDM
35. VSSR
36. VDDK
37. VSSR
38. VDDL
39. VSSR
40. VDDH
41. VSSR
42. VDDG
43. VSSR
44. VDDF
45. VSSR
46. VDDE
47. VSSR
48. VDDD

Functional Features

• Supports 10BASE-T and 100BASE-TX Ethernet standards
• Integrated Auto-MDIX feature for automatic crossover detection
• Implements IEEE 802.3u standard for Fast Ethernet
• Provides full-duplex and half-duplex operation modes
• Supports MII (Media Independent Interface) for easy integration with various PHY devices
• Low power consumption in idle mode
• Built-in loopback testing capability for troubleshooting

Advantages

• High-speed data transmission up to 100 Mbps
• Low power consumption, suitable for battery-powered devices
• Compact SOIC package for space-constrained applications
• Easy integration with other networking components
• Reliable performance and compatibility with Ethernet networks

Disadvantages

• Limited to 10 Mbps and 100 Mbps Ethernet speeds, not compatible with Gigabit Ethernet
• Requires external magnetics for proper signal isolation
• May require additional support components for specific applications

Working Principles

The WJLXT971ALC.A4-857342 is an Ethernet transceiver IC that facilitates the transmission and reception of data in Ethernet networks. It operates based on the IEEE 802.3u standard for Fast Ethernet and supports both 10BASE-T and 100BASE-TX standards. The IC utilizes a CMOS technology, allowing for high-speed data transfer while consuming low power.

The transceiver integrates an Auto-MDIX feature, which automatically detects and adjusts for crossover or straight-through cable connections, simplifying network setup. It also supports full-duplex and half-duplex operation modes, providing flexibility in network configurations.

The WJLXT971ALC.A4-857342 utilizes the Media Independent Interface (MII), a standard interface for connecting Ethernet MAC (Media Access Control) devices to PHY (Physical Layer) devices. This allows for easy integration with various PHY devices, enabling compatibility with different networking setups.

Detailed Application Field Plans

The WJLXT971ALC.A4-857342 is commonly used in various communication and networking applications, including: 1. Ethernet switches and hubs 2. Network interface cards (NICs) 3. Industrial automation systems 4. Embedded systems with Ethernet connectivity 5. Home and office networking equipment

Detailed and Complete Alternative Models

1. WJLXT972ALC.A4-857343
2. WJLXT973ALC.A4-857344
3. WJLXT974ALC.A4-857345
4. WJLXT975ALC.A4-857346

These alternative models are also manufactured by WJ Communications and offer similar