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SMSC LAN91C111-NC

10/100 ETHERNET MAC PHY

Answer first: this page is a purchasing reference for the exact part number LAN91C111-NC from SMSC. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: SMSC Category: Controllers Part number: LAN91C111-NC Package: 128-TQFP RFQ verification required

Key Parameters

Part NumberLAN91C111-NC
ManufacturerSMSC
CategoryControllers
package128-TQFP
series-
packagingBulk
product statusActive
param 1-
param 2Ethernet
param 3Controller
param 4Bus, MII, Serial
param 5IEEE 802.3, 10/100 Base-T/TX PHY
param 62.97V ~ 3.63V
param 7140mA
param 80°C ~ 70°C
param 9128-TQFP (14x14)
param 10-
param 11-

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LAN91C111-NC Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LAN91C111-NC, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.