Am27c256 200di
Overview
Product sourcing insights & recommendations
The AM27C256-200DI is a legacy 256K-bit CMOS EPROM manufactured by AMD, now primarily supported through aftermarket channels like Rochester Electronics. The "DI" suffix indicates a Ceramic DIP (CDIP-28) package and Industrial Grade temperature rating (-40°C to +85°C), making it suitable for harsh environments where standard commercial chips would fail. Ic-ComponentsRocelec
Market Trends & Insights
* Lifecycle Status: The part is officially obsolete (End-of-Life). New production is non-existent, and the market relies on existing "New Old Stock" (NOS) or authorized legacy manufacturing by Rochester Electronics. RocelecRockwellautomation
* Pricing & Availability: Prices have stabilized but remain higher than standard commercial versions due to the ceramic packaging and industrial certification. Current market rates range from $1.80 to $4.10 per unit, depending on order volume and certification requirements. Ic-ComponentsAlibaba
* Sourcing Difficulty: While common variants like the -200DC (Commercial) are widely available on platforms like eBay or Jameco, the -200DI (Industrial) is scarcer. Industrial buyers often have to source from specialized B2B distributors who offer "IC Sourcing Services" to verify authenticity. JamecoAlibaba
Key Technical Specs
* Memory Org: 32,768 x 8-bit
* Access Speed: 200ns
* Voltage: 5V Operation / 12.75V Programming
* Reliability: High hermetic sealing due to the Ceramic (CDIP) package. AlldatasheetIc-Components
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Am27c256 200di Ic Eprom 256k 200ns Cdip 28 Industrial Grade
Products · Top picks & verified manufacturers
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Sources & References
23 sources cited · Verified industry data & reports
AM27C256 Datasheet(PDF) - Advanced Micro Devices
ALLDATASHEET.COM
The Am27C256 is a 256K-bit ultraviolet erasable programmable read-only memory. It is organized as 32K words by 8 bits per word, operates from a single +5 V ...
Am27C256
GitHub
The Am27C256 is a 256K-bit ultraviolet erasable pro- grammable read-only memory. It is organized as 32K words by 8 bits per word, operates from a single +5 V ...
Advanced Micro Devices AM27C256-200DC EPROM ...
Jameco Electronics
The Am27C256 is a 256-Kbit, ultraviolet erasable programmable read-only memory. It is organized as 32K words by 8 bits per word, operates from a single +5 V ...
AM27C256-200DI
Rochester Electronics
See product data sheet for exact product image. Manufacturer:Rochester Electronics Category:Memory & Storage. CMOS EPROM Datasheet … $34.65 In Stock: 58
27C256.pdf
UNL EE Shop
The Am27C256 is a 256-Kbit, ultraviolet erasable pro- grammable read-only memory. It is organized as 32K words by 8 bits per word, operates ...
Am27C256 Datasheet | Advanced Micro Devices
Datasheet4U
The Am27C256 is a 256-Kbit, ultraviolet erasable programmable read-only memory. DIP Min Voltage : 4.5V Max Voltage : 5.5V Terminals : 28 Circuits : 1 Max ...