LAN91C110

Please consider this device

The LAN91C110 is designed to facilitate the implementation of second generation Fast Ethernet PC Card adapters and other non-PCI connectivity products. The LAN91C110 is a digital device that implements the Media Access Control (MAC) portion of the CSMA/CD protocol at 10 and 100 Mbps, and couples it with a lean and fast data and control path system architecture to ensure that the CPU to packet RAM data movement does not cause a bottleneck at 100 Mbps.

The LAN91C110 implements a generic 16-bit host interface which is adaptable to a wide range of system buses and CPUs. This makes the LAN91C110 ideal for 10/100 Fast Ethernet implementations in systems based on system buses other than PCI.

Total memory size is 128 Kbytes, equivalent to a total chip storage (transmit plus receive) of 64 outstanding packets. The LAN91C110 is software compatible with the LAN9000 family of products in the default mode and can use existing LAN9000 drivers (ODI, IPX, and NDIS) with minor modifications in 16 and 32 bit Intel X86 based environments.

Memory management is handled using a unique MMU (Memory Management Unit) architecture and a 32 bit wide data path. This I/O mapped architecture can sustain back-to-back frame transmission and reception for superior data throughput and optimal performance. It also dynamically allocates buffer memory in an efficient buffer utilization scheme, reducing software tasks and relieving the host CPU from performing these housekeeping functions. The total memory size is 128 Kbytes (external), equivalent to a total chip storage (transmit and receive) of 64 outstanding packets.

FEAST provides a flexible slave interface for easy connectivity with industry-standard buses. The host interface is "ISA-like" and is easily adapted to a wide range of system and CPU buses.

An IEEE-802.3 compliant Media Independent Interface (MII) is provided on the network side of the LAN91C110. The MII interface allows the use of a wide range of MII compliant physical layer (PHY) devices to be used with the LAN91C110. The LAN91C110 also provides an interface to the two-line MII serial management protocol.

Features
  • Dual Speed CSMA/CD Engine (10 Mbps and 100 Mbps)
  • Compliant with IEEE 802.3 100BASE-T Specification
  • Supports 100BASE-TX and 100BASE-T4
  • 16 Bit Wide Data Path (into Packet Buffer Memory)
  • Generic 16 Bit System Level Interface Easily Adaptable to ISA, PCMCIA (16 Bit CardBus), and Various CPU System Interfaces
  • Support for 16 and 8 Bit CPU Accesses
  • Asynchronous Bus Interface
  • 128 Kbyte External Memory
  • Built-In Transparent Arbitration for Slave Sequential Access Architecture
  • Flat MMU Architecture with Symmetric Transmit and Receive Structures and Queues
  • IEEE 802.3 MII (Media Independent Interface) Compliant MAC-PHY Interface Running at Nibble Rate
  • MII Management Serial Interface
  • IEEE-802.3u Full Duplex Capability
  • 144 Pin TQFP RoHS Compliant Package (1.0 Millimeter Height)
Parameter
Parameter Name Value Value
Description 10Based-T/100Based-TX Ethernet Controller with 16/32 bit interface 10Based-T/100Based-TX Ethernet Controller with 16/32 bit interface
Ethernet Bandwidth 10Base-T/ 100Base-TX 10Base-T/ 100Base-TX
MAC Yes Yes
PHY Yes Yes
TX/RX RAM Buffer(Bytes) External 128K External 128K
Interrupt Pin 1 1
Op. Voltage (V) 5 5
# Ethernet Ports 1 1
Temp. Range Max. (°C) 70 70
Interface1 16-bit PCMCIA and Host Bus 16-bit PCMCIA and Host Bus
Vdd I/O (V) 5 5
Documents
LAN91C110 Rev. B FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit AData Sheets11/04/2008375KB
AN2157 - Transient Protection in Power Over Ethernet ApplicationsAppNote05/24/2016229KB
AN6.20 - LAN91C100 and LAN91C100FD Design Consideration with Quality Semiconductor QSI6612AppNote06/10/2008152KB
AN8.10 - LAN91C100FD Rev. B/LAN91C110 Rev. A Minimum SRAM Access Time Requirement and a List of Recommended SRAMsAppNote11/19/2008175KB
AN8.5 - Migrating from LAN91C100FD (FEAST FD) to LAN91C110 (Reduced-Pin-Count FEAST FD)AppNote07/17/2008154KB
AN9.11 - Understanding the Chip ID and Revision RegistersAppNote08/07/2001110KB
LAN91C110 IBIS Ver 2.1 Rev 1.0IBIS09/10/1999455KB
LAN9000 Diagnostic and Setup Utilities (ETX, ISMC9000, MIIPHY, CIS and ENABLERSSoftware Library02/06/2014
LAN9000 FreeBSD Unix Drivers. ISA Adapters. Source Code tar-gzippedSoftware Library01/31/2014
LAN9000 ISA and PCMCIA Drivers for Windows CE 2.1x for x86 Processor - v1.30Software Library01/31/2014
LAN9000 NDIS2 Drivers for DOS/Win3.X and OS2. ISA, FEAST, PCMCIA Single and Dual Function AdaptersSoftware Library01/31/2014
LAN9000 NDIS3 and NDIS4 Drivers for Win95/Win98/WinNT/Win2k. ISA, FEAST, PCMCIA Single and Dual Function AdaptersSoftware Library01/31/2014
LAN9000 Netware Server (2.X, 3.X, 4.X), DOS/Win3.X and OS/2 Netware Clients. ISA, FEAST, PCMCIA Single and Dual Function AdapterSoftware Library01/31/2014
LAN9000 SCO Unix Drivers. ISA Adapters. Source Code taredSoftware Library01/31/2014
SRC-9000 Source CodeSoftware Library02/06/2014
SRC-9000-CE Source CodeSoftware Library02/06/2014
SRC-9000-CENET86 Source CodeSoftware Library02/06/2014
LAN91C110 Rev. B FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit AProduct Briefs11/04/2008201KB
LAN91C110 Gerber FilesSchematics03/04/1999348KB
LAN91C110 ISA MAC Reference DesignSchematics08/27/1998104KB
LAN91C110 Reference Design SchematicSchematics05/26/1999157KB
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
LAN91C110-PU3.950000144TQFP20x20x1.0mmMatte Tine3
LAN91C110 Rev. B FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit A LAN91C110
AN2157 LAN9353
AN6.20 LAN91C110
AN8.10 LAN91C110
AN8.5 LAN91C110
AN9.11 LAN91C110
LAN91C110 Rev. B FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit A LAN91C110
LAN91C110 Gerber Files LAN91C110
LAN91C110 ISA MAC Reference Design LAN91C110
LAN91C110 Reference Design Schematic LAN91C110
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