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» Automotive Compilation

Designed for Rugged Automotive Applications

Atmel is a leading supplier of Serial EEPROM devices offering a broad range of products in 1Kb to 256Kb densities for automotive, and up to 2Mb for industrial applications. Our automotive-grade products are ISO/TS16949 certified and supported by full PPAP documentation. We offer ultra-low power and low-voltage products in a full line of 2-wire (I2C), SPI and 3-wire (µWire) interfaces in small-size SOIC and TSSOP packages.

A Broad Range of Automotive Applications

Atmel® Serial EEPROMs are used in a broad range of applications requiring varying densities and standard serial interfaces.

Application
2-wire (I2C) 3-wire (µWire) SPI
Part Number Density Part Number Density Part Number Density
Airbags    








93C46D
93C56B
93C66B
93C86A

1K - 16K 25010B to 25256B 1K - 256K
Anti-Lock Brake System 24C01C to 24C04C 1K - 4K 1K - 16K 25040B to 25256B 4K - 256K
Audio 24C08C to 24C64D 8K - 64K 1K - 16K    
Dash Board 24C01C to 24C16C 1K - 16K 1K - 16K 25020B to 25128B 2K - 128K
Driver Information System 24C01C to 24C16C 1K - 16K 1K - 16K 25010B to 25160B 1K - 16K
Engine Control     2K - 16K 24040B to 25256B 4K - 256K
Multimedia 24C01C to 24C64D 1K - 64K 1K - 16K 25010B to 25256B 1K - 256K
Telematics/
Navigation
24C08C to 24C256C 8K - 256K 1K - 16K 25010B to 25256B 1K - 256K
Tire Pressure 24C01C to 24C16C 1K - 16K 1K - 16K 25010B to 25040B 1K - 4K

Key Features

  • Operating temperature range from -40°C to 125°C
  • Extended VCC from 2.5V to 5.5V
  • High cycling endurance with up to one million write cycles at 25°C and data retention of 100 years
  • High clock frequencies up to 20 MHz for SPI and 1 MHz for I²C
  • Write protection (WP) and disable instructions for hardware and software data protection

 

I2C (2-Wire) Compatible Devices

Benefits

Description

  • I²C-compatible (2-wire) interface
  • Cascadable up to eight devices on same bus
  • Up to 1 MHz clock frequency
  • 1 million cycle EEPROM endurance at 25°C
  • 100-year EEPROM data retention
  • Extended VCC
    • Grade 1: 2.5V to 5.5V
    • Grade 2 and 3: 1.7V to 5.5V
  • Operating temperature range
    • Grade 1: -40°C to 125°C
    • Grade 2: -40°C to 105°C
    • Grade 3: -40°C to 85°C
  • Automotive grade, ISO/TS16949 certification
  • 8-SOIC, 8-TSSOP and 8-UDFN packages
 

The I2C (2-wire) compatible Automotive Serial EEPROM family is available in 1 Kb to 256 Kb densities. These byte- and page-writable serial EEPROMs are designed to offer simple, yet flexible, data storage for a broad range of automotive applications where low-power and low-voltage operation are essential. The I2C-compatible devices are available in space-saving 8-lead SOIC and TSSOP packages and 8-pad UDFN packages.

Device
Description

1Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

2Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

2Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM with Half Memory Write Protect

4Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

4Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM with Half Memory Write Protect

8Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

16Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

32Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

64Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

64Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

128Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

256Kb I²C-compatible 2-wire Automotive Temperature Serial EEPROM

Microwire (3-Wire) Compatible Devices

Benefits

Description

  • Microwire (3-wire) compatible interface
  • Up to 2 MHz operation
  • Fast 5 ms built-in erase/write cycle
  • 1 million cycle EEPROM endurance at 25°C
  • 100-year EEPROM data retention
  • Extended VCC, 2.5V to 5.5V
  • -40°C to 125°C operating temperature range
  • Automotive grade, ISO/TS16949 certification
  • 8-SOIC, 8-TSSOP packages
 

The Microwire (3-wire) compatible Automotive Serial EEPROMs are available in 1 Kb to 16 Kb densities. These devices offer flexible user-selectable x8 or x16 memory organization with software write protection to secure data stability. This family is available in space-saving 8-lead SOIC and TSSOP packages and 8-pad UDFN packages.

Device
Description

1Kb Microwire-compatible 3-wire Automotive Temperature Serial EEPROM

2Kb Microwire-compatible 3-wire Automotive Temperature Serial EEPROM

4Kb Microwire-compatible 3-wire Automotive Temperature Serial EEPROM

16Kb Microwire-compatible 3-wire Automotive Temperature Serial EEPROM

SPI Compatible Devices

Benefits

Description

  • SPI-compatible interface
  • Up to 20 MHz clock frequency
  • Fast 5 ms built-in erase/write cycle
  • 1 million cycle EEPROM endurance at 25°C
  • 100-year EEPROM data retention
  • Extended VCC
    • Grade 1: 2.5V to 5.5V
    • Grade 2 and 3: 1.7V to 5.5V
  • Operating temperature range
    • Grade 1: -40°C to 125°C
    • Grade 2: -40°C to 105°C
    • Grade 3: -40°C to 85°C
  • Automotive grade, ISO/TS16949 certification
  • 8-SOIC, 8-TSSOP and 8-UDFN packages
 

The high-speed SPI-compatible Automotive Serial EEPROM family is available in 1 Kb to 256 Kb densities. These devices are byte- and page-writable and optimized for use in a broad range of automotive applications where low-power, low-voltage and high-speed operation are essential. The SPI automotive family is available in space-saving 8-lead SOIC and TSSOP packages and 8-pad UDFN packages.

Device
Description

1Kb SPI-compatible Automotive Temperature Serial EEPROM

2Kb SPI-compatible Automotive Temperature Serial EEPROM

4Kb SPI-compatible Automotive Temperature Serial EEPROM

8Kb SPI-compatible Automotive Temperature Serial EEPROM

16Kb SPI-compatible Automotive Temperature Serial EEPROM

32Kb SPI-compatible Automotive Temperature Serial EEPROM

64Kb SPI-compatible Automotive Temperature Serial EEPROM

128Kb SPI-compatible Automotive Temperature Serial EEPROM

256Kb SPI-compatible Automotive Temperature Serial EEPROM