Atmel AT24C256C Compatible Memory Smart IC Card 256K Bits


Quanlity: 10PCS

  • 10PCS
  • 100PCS
Will not ship until [19041994]
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Atmel AT24C256C Compatible Memory Smart IC Card 256K Bits
  • 100PCS or 10PCS  x Blank White PVC Atmel Chip Cards
  • Atmel AT24C256C Compatible Chip
  • 256Kb Serial EEPROM
  • I²C (2-wire) Serial Interface
  • 1 Block of 32K x 8
  • In Stock – Available Immediately!


The Atmel AT24C256C straight memory chip card is a 256Kb Serial EEPROM utilizing an I²C (2-wire) serial interface. The smart card chip is organized as one block of 32K x 8 and is optimized for use in consumer, industrial, and automotive applications where low-cost, low-power and low-voltage operation are essential.. The EEPROM is available in a variety of space-saving packaging options.

The Atmel AT24C256C smart card chip provides 262,144-bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 32,768 words of 8 bits each. The chip operates from 1.7V to 5.5V.

The AT24C256C Atmel chip card is available in PVC, ABS, PET, Composite, and Polycarbonate ISO 7810, CR-80, SAM/SIM card, and Keychain form factors.

The Atmel AT24C256C straight memory chip card is now owned by Microchip.


  • Low-voltage and Standard-voltage Operation
    •  VCC = 1.7V to 5.5V
  • Internally Organized as 32,768 x 8
  • 2-wire Serial Interface
  • Schmitt Trigger, Filtered Inputs for Noise Suppression
  • Bidirectional Data Transfer Protocol
  • 400kHz (1.7V) and 1MHz (2.5V, 2.7V, 5.0V) Compatibility
  • Write Protect Pin for Hardware Protection
  • 64-byte Page Write Mode
    • Partial Page Writes Allowed
  • Self-timed Write Cycle (5ms Max)
  • High Reliability
    • Endurance: 1,000,000 Write Cycles
    • Data Retention: 40 Years
  • Lead-free/Halogen-free Devices Available
  • Green Package Options (Pb/Halide-free/RoHS Compliant)
    • 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, and 8-ball VFBGA
  • Die Sale Options: Wafer Form, Waffle Pack, and Bumped Wafers
Access control, time attendace, ticketing, ePayment and any other application where the integrity and security of the data stored is vital. 

OEM print is acceptable and send us your design, we print on the card. MOQ of OEM printing is 1000pcs.

These card can be printed by ribbon printer IncludingvDataCard, Zebra, Fargo, Evolis, Magicard, NBS & etc.(These Cards Will Not Work In Inkjet Printers such as Epson printer)


10PCS, 100PCS



  1. We send out packages timely after payment , we will inform you inmmediately if there is any exceptional situation .
  2. We choose the best shipping method to your country,depends on the condition of transport.
  3. If you didn't receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
  4. Package return due to the shipping problem,we can resend or refund.
  5. We are not responsible for delays causedby the customs,Import duties,taxes or other customs charges.
  6. Estimated shipping time for different shipping methods:Singapore Post and NLPost are good for most customers as no customs duty normally (With 15-60 Days delivery time),DHL,UPS and FEDEX are fast (3-8 Days delivery time), but it may cause custom duty.EMS to worldwide: To US, UK, Australia and Canada usually takes 15-20 working days . 14-30 business days for most countries.
  7. Delivery time


  1. IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
  2. For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
  3. For defective or faulty products,please take photos or videos and contact us in 48 hours,we would resend or refund after confirmation.
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Atmel AT24C256C Compatible Memory Smart IC Card 256K Bits