Overview

R1EX25xxx series is the Serial Peripheral Interface compatible (SPI) 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 128-byte page programming function to make their write operation faster.

  • Single supply: 1.8 V to 5.5 V
  • Serial Peripheral Interface compatible (SPI bus) SPI mode 0 (0,0), 3 (1,1)
  • Clock frequency: 5 MHz (2.5 V to 5.5 V), 3 MHz (1.8 V to 5.5 V)
  • Power dissipation: Standby: 5 µA (max) Active (Read): 5 mA (max) Active (Write): 5 mA (max)
  • Automatic page write: 128-byte/page
  • Write cycle time: 5 ms (max)
  • Endurance: 1,000k Cycles @25 °C
  • Data retention: 100 Years @25 °C
  • Small size packages: SOP-8pin, TSSOP-8pin
  • Shipping tape and reel TSSOP-8pin : 3,000 IC/reel SOP-8pin : 2,500 IC/reel
  • Temperature range: −40 to +85°C
  • Lead free product.

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
    R1EX25512ASA00I#S0
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    memory
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    Samples Available
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    		2032 Dec SOP Embossed Tape 1 1.656 Get Samples,
    R1EX25512ATA00I#S0
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    memory
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    Samples Available
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    		2032 Dec TSSOP Embossed Tape 1 1.639 Get Samples,
    R1EX25512ATA00I#U0
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    memory
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    		2032 Dec TSSOP Embossed Tape 1
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