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SLE4428

Overview

SLE4428 is one of the most common chip that used in security area. The striking advantages are stable function and the most cost-efficient price! Of course, RealSmart is the main player for such chips! We have millions of exportation in the past year 2008!

General Description:

SLE4428 has a PSC verification logic. All the memory, except for the PSC, can always be read. The memory can be written or erased only after PSC verification.The error counter can always be written. After eight successive incorrect entries the error counter will block any subsequent attempt at PSC verification and hence any possibility to write and erase.

Technical Features:

  • 1024 x 8 bit EEPROM organization
  • Byte-wise addressing
  • Irreversible byte-wise write protection
  • 1024 x 1 bit protection memory organization
  • Serial three-wire bus
  • End of programming indicated on data output
  • Minimum of 104 write/erase cycles
  • Data retention for minimum of ten years
  • Contact configuration and serial interface in accordance to
  • ISO standard 7816 (synchronous transmission)
  • Data can only be changed after entry of the correct
  • 2-byte programmable security code (PSC)
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Ordering Information

Delivery Terms

  • Samples: It’s free of charge and could be sent within 1-2 working days.
  • <10K pcs: Within 3-4 working days
  • <100K pcs: Within 6-7 working days
  • <1KK pcs: Within 15 working days.
  • >1KK pcs: On request

Payment Terms

  • TT in advance or LC
  • Others on requested

Why buy from us ?

  • Reply you within 12 hours at most time
  • Unsurpassable competitive price
  • Large quantity inventory always
  • No MAQ’s limit for SLE4428 chips
  • Strong at customization on request
  • Experience and expertise
  • Fast delivery and strong package
View Package!

Contact Us

Shanghai RealSmart Technologies Co., Ltd.

Rm 706,Bldg of Vorwerk, No.1768. Yishan Road, MinHang District, Shanghai 201103, P.R China

Tel: +86 21 6432 6941

Fax: +86 21 6432 6942

Email: contacts@rsmart.com.cn

Tel: +86 21 6432 6941   Fax: +86 21 6432 6942   E-mail:contacts@rsmart.com.cn   webmaster:Kelly@rsmart.com.cn

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