Products > Integrated Circuits (ICs) > Programmable Logic ICs > X28HC256JM-15
X28HC256JM-15 PLCC32
  • X28HC256JM-15
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Manufacturer :
Intersil Corporation (Renesas Electronics)
Package/Case :
Product Categories :
X28HC256JM-15 PDF
RoHs Status:
Lead free / RoHS Compliant
Marking Code:
  • Price:$ 5.0300
  • In-stock :1500
    • Quantity Unite Price
    • 1-9 $ 5.0300
    • 10-49 $ 5.0000
    • 50-99 $ 4.9700
    • >=100 $ 4.9300

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X28HC256JM-15 Product Details


The X28HC256 is a second generation high performance CMOS 32k x 8 EEPROM. 

It is fabricated with Intersil’s proprietary, 

textured poly floating gate technology, providing a highly reliable 5V only nonvolatile memory. 

The X28HC256 supports a 128-byte page write operation, 

effectively providing a 24µs/byte write cycle, and enabling the entire memory to be typically rewritten in less than 0.8 seconds. 

The X28HC256 also features DATA Polling and Toggle Bit Polling, two methods of providing early end of write detection. 

The X28HC256 also supports the JEDEC standard Software Data Protection feature for protecting against inadvertent writes during power-up and power-down. 

Endurance for the X28HC256 is specified as a minimum 1,000,000 write cycles per byte and an inherent data retention of 100 years. 


• Access time: 70ns 

• Simple byte and page write 

- Single 5V supply 

- No external high voltages or VP-P control circuits 

- Self-timed 

- No erase before write 

- No complex programming algorithms 

- No overerase problem 

• Low power CMOS - Active: 60mA - Standby: 500µA 

• Software data protection 

- Protects data against system level inadvertent writes 

• High speed page write capability 

• Highly reliable Direct Write™ cell 

- Endurance: 1,000,000 cycles 

- Data retention: 100 years 

• Early end of write detection

- DATA polling 

- Toggle bit polling 

• Pb-free plus anneal available (RoHS compliant)

X28HC256JM-15 Pinout
(Picture: Pinout)

X28HC256JM-15 Block Diagram
(Picture: Diagram)

Technical Parameters

Manufacturer Intersil RoHs Status Lead free / RoHS Compliant
Packing Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube Package/Case PLCC32

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Estimated Delivery Time: Feb 02 - Feb 07 days (choose Expedited at checkout).

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    We have rich products, can meet your various needs.

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    Minimum order quantity starts from 1pcs.

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    90 days quality guarantee for all products.


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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

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We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that X28HC256JM-15 is the original manufacturer or agent of Intersil?
We have a professional business development department to strictly test and verify the qualifications of Intersil original manufacturers and agents. All Intersil suppliers must pass the qualification review before they can publish their X28HC256JM-15 devices; we pay more attention to the channels and quality of X28HC256JM-15 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of X28HC256JM-15 chips? Including Intersil original factory information, EEPROM application, X28HC256JM-15 pictures?
You can use Jotrin's intelligent search engine, or filter by EEPROM category, or find it through Intersil Corporation (Renesas Electronics) Information page.
Q: Are the Intersil's X28HC256JM-15 price and stock displayed on the platform accurate?
The Intersil's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for X28HC256JM-15, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
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Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of X28HC256JM-15?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the X28HC256JM15 we delivered, we will accept the replacement or return of the X28HC256JM-15 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of X28HC256JM-15.
(3)The X28HC256JM-15 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as X28HC256JM-15 datasheet pdf, X28HC256JM pin diagram?
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Intersil Corporation (Renesas Electronics)

Intersil Corporation is a leader in the design and manufacture of high performance analog semiconductors. The company's products are targeted at some of the fastest growing segments of the industry: f...
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