(Hong Kong)
Product Summary
The RTL8139B is a highly integrated and cost-effective single-chip Fast Ethernet controller that provides 32-bit performance, PCI bus master capability, and full compliance with IEEE 802.3u 100Base-T specifications and IEEE 802.3x Full Duplex Flow Control. The RTL8139B also supports Advanced Configuration Power management Interface (ACPI), PCI power management for modern operating systems that are capable of Operating System Directed Power Management (OSPM) to achieve the most efficient power management possible. The RTL8139B is suitable for applications such as CardBus or mobile devices with a built-in network controller. The CIS data can be stored in either a 93C56 EEPROM or expansion ROM.
Parametrics
RTL8139B absolute maximum ratings: (1)Storage temperature: -55 to +125℃; (2)Operating temperature: 0 to 70℃.
Features
RTL8139B features: (1)100 pin QFP/LQFP; (2)Integrated Fast Ethernet MAC, Physical chip and transceiver in one chip; (3)10 Mb/s and 100 Mb/s operation; (4)Supports 10 Mb/s and 100 Mb/s N-way Auto-negotiation operation; (5)Supports 25MHz crystal or 25MHz OSC as the internal clock source. The frequency deviation of either crystal or OSC must be within 50 PPM; (6)Compliant to PC99/PC2001 standard; (7)Supports 4 Wake-On-LAN (WOL) signals (active high, active low, positive pulse, and negative pulse).
Diagrams
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