Overview

R1EX24xxx series are two-wire serial interface EEPROM (Electrically Erasable and Programmable ROM). They realize High-Speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology. They also have a 64-byte page programming function to make their write operation faster.

  • Single supply: 1.8 V to 5.5 V
  • Two-wire serial interface (I²C serial bus)
  • Clock frequency: 400 kHz
  • Power dissipation: Standby: 2.0 μA (max) Active (Read): 1.0 mA (max) Active (Write): 3.0 mA (max)
  • Automatic page write: 64-byte/page
  • Write cycle time: 5 ms
  • Endurance: 1,000k or more Cycles
  • Data retention: 100 or more Years
  • Small size packages: SOP-8pin, TSSOP-8pin
  • Shipping tape and reel TSSOP 8-pin: 3,000 IC/reel SOP 8-pin: 2,500 IC/reel
  • Temperature range: −40 to +85°C
  • Lead free products.
  • Halogen free products. (#U0, #K0)

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Explore ECAD Models
Diagram of ECAD Models

Product Options

    Processing table
    PLP
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    Buy / Sample
    Part Number
    R1EX24256BSAS0I#K0
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    memory
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    		2032 Dec SOP Embossed Tape 1
    R1EX24256BSAS0I#S0
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    memory
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    Samples Available
    		 2032 Dec SOP Embossed Tape 1 Get Samples,
    R1EX24256BSAS0I#U0
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    memory
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    Buy Now
    		2032 Dec SOP Embossed Tape 1 2.568
    R1EX24256BTAS0I#S0
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    memory
    view_in_ar
    Samples Available
    Buy Now
    		2032 Dec TSSOP Embossed Tape 1 0.8719 Get Samples,
    R1EX24256BTAS0I#U0
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    memory
    view_in_ar
    		N/A TSSOP Embossed Tape 1
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