KS8993I

Product Overview

• Category: Integrated Circuit (IC)
• Use: Ethernet Switch
• Characteristics: High-performance, low-power, 3-port switch
• Package: QFP (Quad Flat Package)
• Essence: Provides Ethernet connectivity and switching capabilities for networking devices
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

• Switching Capacity: 1.6 Gbps
• Number of Ports: 3
• Supported Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x
• Operating Voltage: 3.3V
• Power Consumption: Low power consumption, suitable for battery-powered devices
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The KS8993I has a total of 64 pins. Here is a detailed pin configuration:

1. VDD33: Power supply (3.3V)
2. VDD18: Power supply (1.8V)
3. VSS: Ground
4. XTAL1: Crystal oscillator input
5. XTAL2: Crystal oscillator output
6. REFCLK: Reference clock input
7. MDC: Management Data Clock
8. MDIO: Management Data Input/Output
9. RESET: Reset input
10. INT: Interrupt output
11. TXD0: Transmit Data 0
12. TXD1: Transmit Data 1
13. TXD2: Transmit Data 2
14. TXD3: Transmit Data 3
15. RXD0: Receive Data 0
16. RXD1: Receive Data 1
17. RXD2: Receive Data 2
18. RXD3: Receive Data 3
19. CRS: Carrier Sense
20. COL: Collision Detect
21. RXDV: Receive Data Valid
22. RXER: Receive Error
23. TXEN: Transmit Enable
24. TXCLK: Transmit Clock
25. TXER: Transmit Error
26. TXC: Transmit Clock
27. RXC: Receive Clock
28. RXDV: Receive Data Valid 29-32: Reserved 33-36: LED0-LED3: Link/Activity LEDs 37-40: LED4-LED7: Speed/Duplex LEDs 41-64: Reserved

Functional Features

• Auto-Negotiation: Supports auto-negotiation for speed and duplex mode detection
• Flow Control: Implements IEEE 802.3x flow control to prevent packet loss during congestion
• VLAN Support: Provides VLAN tagging and untagging capabilities
• Quality of Service (QoS): Supports QoS features like priority queuing and traffic shaping
• Port Mirroring: Allows monitoring of network traffic on a specific port
• Jumbo Frame Support: Enables the transmission of larger frame sizes for improved performance

Advantages and Disadvantages

Advantages: - High-performance switching capabilities - Low power consumption - Compact package size - Supports various networking standards - Flexible configuration options

Disadvantages: - Limited number of ports (3) - Requires external components for complete system integration - Higher cost compared to simpler Ethernet controllers

Working Principles

The KS8993I is based on a store-and-forward architecture. It receives incoming Ethernet frames, checks their integrity, and forwards them to the appropriate destination port. The switch uses MAC addresses to determine the destination port for each frame. It also implements various networking protocols and features to ensure efficient and reliable data transmission.

Detailed Application Field Plans

The KS8993I is widely used in various networking devices, including:

1. Ethernet switches and hubs
2. Industrial automation systems
3. Network routers and gateways
4. IP cameras and surveillance systems
5. Home networking equipment
6. Embedded systems requiring Ethernet connectivity

Detailed and Complete Alternative Models

• KSZ8895MQ: 5-port Ethernet switch with enhanced features
• KSZ8463MLI: 8-port Ethernet switch with advanced management capabilities
• KSZ9567R: 7-port Gigabit Ethernet switch for high-speed networks
• KSZ9031RNX: Single-port Gigabit Ethernet transceiver with integrated PHY

These alternative models offer different port configurations, additional features, and improved performance to cater to specific application requirements.

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