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Microchip Technology AT91M55800A-33CI-T

IC MCU 16/32BIT ROMLESS 176BGA

Answer first: this page is a purchasing reference for the exact part number AT91M55800A-33CI-T from Microchip Technology. 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: Microchip Technology Category: Microcontrollers Part number: AT91M55800A-33CI-T Package: 176-LFBGA RFQ verification required

Key Parameters

Part NumberAT91M55800A-33CI-T
ManufacturerMicrochip Technology
CategoryMicrocontrollers
package176-LFBGA
seriesAT91
packagingTape & Reel (TR)
product statusObsolete
param 1Not Verified
param 2ARM7®
param 316/32-Bit
param 433MHz
param 5EBI/EMI, SPI, UART/USART
param 6POR, WDT
param 758
param 8-
param 9ROMless
param 10-
param 118K x 8
param 122.7V ~ 3.6V
param 13A/D 8x10b; D/A 2x10b
param 14Internal
param 15-40°C ~ 85°C (TA)
param 16-
param 17-
param 18Surface Mount
param 19176-BGA (13x13)

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

How to Verify AT91M55800A-33CI-T 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 AT91M55800A-33CI-T, 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.