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Microchip Technology AT89S52-24JI

IC MCU 8BIT 8KB FLASH 44PLCC

Answer first: this page is a purchasing reference for the exact part number AT89S52-24JI 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: AT89S52-24JI Package: 44-LCC (J-Lead) RFQ verification required

Key Parameters

Part NumberAT89S52-24JI
ManufacturerMicrochip Technology
CategoryMicrocontrollers
package44-LCC (J-Lead)
series89S
packagingTube
product statusObsolete
param 1Not Verified
param 28051
param 38-Bit
param 424MHz
param 5UART/USART
param 6WDT
param 732
param 88KB (8K x 8)
param 9FLASH
param 10-
param 11256 x 8
param 124V ~ 5.5V
param 13-
param 14Internal
param 15-40°C ~ 85°C (TA)
param 16-
param 17-
param 18Surface Mount
param 1944-PLCC (16.6x16.6)

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

How to Verify AT89S52-24JI 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 AT89S52-24JI, 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.