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LAN91C111-NU

Ethernet Controller, 100 Mbps, IEEE 802.3af, 2.97 V, 3.63 V, TQFP, 128 Pins

MICROCHIP LAN91C111-NU

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Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
LAN91C111-NU
Order Code:
1603714
Technical Datasheet:
LAN91C111-NU   Datasheet
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Product Overview

The LAN91C111-NU is a 10/100 non-PCI Ethernet Controller designed to facilitate the implementation of a third generation of fast Ethernet connectivity solutions for embedded applications. For this third generation of products, flexibility and integration dominate the design requirements. The LAN91C111 is a mixed signal analogue/digital device that implements the MAC and PHY portion of the CSMA/CD protocol at 10 and 100Mbps. The design will also minimize data throughput constraints utilizing a bus host interface. The total internal memory FIFO buffer size is 8kB, which is the total chip storage for transmit and receive operations. The LAN91C111 is software compatible with the LAN9000 family of products.
  • Single chip Ethernet controller
  • Dual speed - 10/100Mbps
  • Fully supports full duplex switched Ethernet
  • Supports burst data transfer
  • 8KB internal memory for receive and transmit FIFO buffers
  • Enhanced power management
  • Optional configuration via serial EEPROM interface
  • Supports 8, 16 and 32 bit CPU accesses
  • Internal 32-bit wide data path (into packet buffer memory)
  • Built-in transparent arbitration
  • Flat MMU architecture with symmetric transmit and receive structures and queues
  • 3.3V operation with 5V tolerant I/O buffers
  • Single 25MHz reference clock for both PHY and MAC
  • External 25MHz output pin for an external PHY supporting PHY's physical media
  • Low power CMOS design
  • Supports multiple embedded processor host interfaces
  • 3.3V MII (Media Independent Interface) MAC-PHY interface running at nibble rate
  • MII management serial interface

Warnings

ESD sensitive device, take proper precaution while handling the device.

Product Information

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:
100Mbps

:
IEEE 802.3af

:
2.97V

:
3.63V

:
TQFP

:
128Pins

:
MII, Serial

:
0°C

:
70°C

:
-

:
-

:
-
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Technical Docs (2)

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Deliveries start from 5/1/22

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