KSZ8841-PMQL Single-Port Ethernet MAC Controller with PCI Interface Features Additional Features Fully Compliant with the IEEE802.3u Standard Single Chip Ethernet Controller with IEEE 802.3u Supports 10/100BASE-T/TX Support Supports IEEE 802.3x Full-Duplex Flow Control 32-bit/33 MHz PCI Bus for Different Host Proces- and Half-Duplex Backpressure Collision Flow sor Interfaces Control Dynamic Buffer Memory Scheme Supports Burst Data Transfers - Essential for Applications such as Video over 8 KB Internal Memory for RX/TX FIFO Buffers IP where Image Jitter is Unacceptable Early TX/RX Functions to Minimize Latency Microchip LinkMD Cable Diagnostic Capabilities Through the Device to Determine Cable Length, Diagnose Faulty Serial EEPROM Configuration Cables, and Determine Distance to Fault Single 25 MHz Reference Clock for Both PHY Wake-on-LAN Functionality and MAC - Incorporates Magic Packet, Network Link State, and Wake-Up Frame Technology Network Features HP Auto MDI-X Crossover with Disable/Enable Fully Integrated to Comply with IEEE 802.3u Option Standards Enhanced Power Management Feature with 10BASE-T and 100BASE-TX Physical Layer Sup- Power-Down Feature port Auto-Negotiation: 10/100 Mbps Full- and Half- Applications Duplex Video Distribution Systems Supports IEEE 802.1Q Multiple VLAN Tagging High-End Cable, Satellite, and IP Set-Top Boxes On-Chip Wave Shaping: No External Filters Video over IP Required Voice over IP (VoIP) and Analog Telephone Adaptive Equalizer Adapters (ATA) Baseline Wander Correction Power Modes, Power Supplies, and Packaging Markets Single Power Supply (3.3V) with 5V Tolerant I/O Fast Ethernet Buffers Embedded Ethernet Enhanced Power Management Feature with Industrial Ethernet Power-Down Feature to Ensure Low Power Dissi- pation During Device Idle Periods Comprehensive LED Indicator Support for Link, Activity, Full-/Half-Duplex, and 10/100 Speed (4 LEDs) Low-Power CMOS Design Commercial Temperature Range: 0C to +70C Industrial Temperature Range: 40C to +85C Available in 128-Pin PQFP 2019 Microchip Technology Inc. 1DS00003284A-page KSZ8841-PMQL TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: