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AT89C51-12PC — DIP-24/28/40 package (representative)
DIP-24/28/40
Representative of package type
Atmel Corp

AT89C51-12PC

Microcontroller · PDIP-40 · Microcontroller
Part Status: Obsolete In demand
Data last refreshed Jun 20, 2026
Manufacturer
Atmel Corp
Mfr Part #
AT89C51-12PC
Series
AT89C51
Category
Microcontroller
Datasheet
View datasheet ↗
Availability & Pricing
ZDI Price$3.07
Last transacted2004-05-28
Market range$3.07
Sourcing channels10
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Product Attributes

Electrical & Parametric
Flash4KB
Ram128B
Max Clock12MHz
Io32
Physical & Thermal
Package / CasePDIP-40
Mounting TypeThrough Hole
SeriesAT89C51
Operating Temperature0°C ~ 70°C
Classification & Lifecycle
CategoryMicrocontroller
TypeMicrocontroller
Part StatusObsolete

8-bit 8051 MCU, 4KB Flash, 128B RAM, 32 I/O, UART, 12 MHz

Environmental & Export Classifications

RoHS Status
Non-Compliant

Availability & Sourcing

10 sources
SourceMfrQtyDate CodeConditionStatus
Market WSAL 18 0248+ — Available RFQ
Market ATMEL 12 9980 — Available RFQ
Market AT 9 97 — Available RFQ
Market ATMEL 6 97 — Available RFQ
Market ATL 2 NON-ROHS — Available RFQ
Market ATMEL 2 — — Available RFQ
Market ATMEL 1 99 — Available RFQ
Market ATMEL 1 — — Available RFQ
Market ATMEL 330 13+ — Available RFQ
Market ATMEL 100 — — Available RFQ

ZDI Stock — in our warehouse · Market — offers available through our sourcing network · Live — recent offers from our sourcing network.

Price History & Market Reference

Market Price Range

High$3.07
Low$3.07
Last$3.07
Price as of2004-05-28

ZDI Transaction

Last ZDI price$3.07
As of2004-05-28
Active offers10

Pricing reflects ZDI's transaction and market-reference data. Firm pricing confirmed per RFQ against current availability.

Part Activity

recent searches, RFQs & offers
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User
AT89C51-12PC viewed on the web · Web User

Recent search and sourcing activity for AT89C51-12PC.

Engineering FAQ

AT89C51-12PC is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of AT89C51-12PC?
Flash: 4KB; Ram: 128B; Max Clock: 12MHz; Io: 32.
What package is AT89C51-12PC supplied in?
AT89C51-12PC is supplied in the PDIP-40 package, through hole, rated 0°C ~ 70°C.
Can ZDI source AT89C51-12PC beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

AT89C51-12PC is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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