AT91M42800A-33AI

Microchip Technology · LQFP-144 · Active

Part number: AT91M42800A-33AI
Manufacturer: Microchip Technology
Package: LQFP-144
Status: Active
Stock: Available / RFQ
Price: $2.70
Year / date code: 2025

Product Overview

AT91M42800A-33AI (Microchip Technology, LQFP-144) — MCU 32-bit AT91 ARM7TDMI RISC ROMLess 3.3V 144-Pin LQFP

Technical Specifications

Part Number: AT91M42800A-33AI
Manufacturer: Microchip Technology
Series: AT91M4280
Package / Case: LQFP-144
Package Family: QFP
Pin / Ball Count (from marking): 144
Lifecycle Status: Active
Category: Electronic Component
Mounting Type: Surface Mount (SMT)

Electrical Characteristics

Device Class: Electronic component — see manufacturer datasheet
Key Ratings: Confirm electrical limits for AT91M42800A-33AI before design-in
Package Constraint: LQFP-144 mechanical outline and pinout must match the PCB
Substitution: Nearby MPNs require engineering validation — not automatic drop-ins

Package Information

Package: LQFP-144
Package Family: QFP
Mounting: Surface Mount (SMT)
Terminal Count (parsed): 144
Outline Note: Package marking on this page is for sourcing reference. Confirm body size, pitch, and land pattern from the manufacturer datasheet before layout.

Applications

AT91M42800A-33AI is sourced for OEM/EMS electronic assemblies. Typical use depends on the manufacturer datasheet for Microchip Technology. Confirm electrical ratings, LQFP-144 mechanics, and AVL notes before design-in or substitution. SJ Chip provides inventory checks and RFQ support for production and shortage fills.

Procurement notes

Confirm the full ordering code, package (LQFP-144), and quantity on RFQ. SJ Chip replies with stock, condition, and lead time. Nearby MPNs are for evaluation only.

Compare Similar Parts (AT91M4280)

AT91M42800A-33AI-T · LQFP-144
AT91M42800A-33AU · TQFP-144
AT91M42800A-33AU-999 · LQFP-144
AT91M42800A-33CI · BGA-144
AT91M42800A-33CJ · BGA-144
AT91M42800A-33CI-T · BGA-144
AT91M42800A-33CJ-999 · BGA-144
AT91M42800-33AI · LQFP-144
AT91M42800-33CI · BGA-144

Potential Alternatives (LQFP-144)

FAQ

Where to buy AT91M42800A-33AI?

You can request AT91M42800A-33AI from SJ Chip via the RFQ form on this page or the site-wide RFQ. We confirm manufacturer (Microchip Technology), package, quantity, and lead time on the quotation.

Is AT91M42800A-33AI available?

Listed inventory shows 5,000 pcs. Lot, date code, and shippable quantity are confirmed on RFQ — treat the listing as availability to quote, not a guaranteed cart ship.

What is the package of AT91M42800A-33AI?

The sourcing listing shows package LQFP-144. Always verify body size, pitch, and land pattern against the Microchip Technology datasheet before PCB layout.

What are alternatives to AT91M42800A-33AI?

Potential alternatives include AT91M42800A-33AI-T, AT91M42800A-33AU, AT91M42800A-33AU-999 and other same-series or same-package listings — all require datasheet and pinout checks. These are similar stock for evaluation, not automatic drop-in replacements.

Sourcing information

Part Number	AT91M42800A-33AI
Manufacturer	Microchip Technology
Package	LQFP-144
Description	MCU 32-bit AT91 ARM7TDMI RISC ROMLess 3.3V 144-Pin LQFP
Availability	Listed inventory: 5,000 pcs — confirm lot, date code, and quantity on RFQ
RFQ	Submit the full part number and quantity through the RFQ form
Lead Time	Lead time is confirmed on the quotation after RFQ. In-stock conventional lots often ship in 3–5 working days from Hong Kong; special, allocation, or obsolete lines are quoted separately.
Condition	Condition is stated on the quotation/PI (new, surplus, or EOL). Lots are inspected before shipment.