Overview
The CAV24M01WE-GT3 is a 1-Mb Serial I2C EEPROM device manufactured by onsemi. It is designed for high-reliability applications, particularly in the automotive sector, and is qualified to the Automotive AEC-Q100 Grade 1 standard. This device is internally organized as 131,072 words of 8 bits each, providing a total of 1 Mb of memory. It supports the Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols, making it versatile for various system requirements.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Capacity | 1 Mb (131,072 words of 8 bits each) | |
| Supply Voltage Range | 2.5 V to 5.5 V | V |
| Page Write Buffer | 256 bytes | |
| I2C Protocol Support | Standard (100 kHz), Fast (400 kHz), Fast-Plus (1 MHz) | |
| Write Protection | Hardware Write Protection via WP pin | |
| Package Types | 8-pin SOIC and TSSOP | |
| Operating Temperature Range | −40°C to +125°C | °C |
| Data Retention | 100 years | years |
| Program/Erase Cycles | 1,000,000 cycles | |
| Power Consumption | Low Power CMOS Technology |
Key Features
- Automotive AEC-Q100 Grade 1 qualified for high reliability in automotive applications.
- Supports Standard, Fast, and Fast-Plus I2C protocols.
- 256-byte page write buffer for efficient data writing.
- Hardware write protection via the WP pin to protect the entire memory.
- Schmitt triggers and noise suppression filters on I2C bus inputs for improved noise immunity.
- Low power CMOS technology for reduced power consumption.
- On-chip error correction code (ECC) for enhanced reliability.
- Power-on reset (POR) circuitry to protect against brown-out failure.
- Pb-free, halogen-free, and RoHS compliant.
Applications
The CAV24M01WE-GT3 is suitable for a variety of high-reliability applications, particularly in the automotive sector. It can be used in:
- Automotive control systems and infotainment systems.
- Industrial control and automation systems.
- Medical devices requiring high data retention and reliability.
- Aerospace and defense applications where robust memory solutions are critical.
- Any system requiring non-volatile memory with high endurance and reliability.
Q & A
- What is the memory capacity of the CAV24M01WE-GT3?
The CAV24M01WE-GT3 has a memory capacity of 1 Mb, organized as 131,072 words of 8 bits each.
- What I2C protocols does the CAV24M01WE-GT3 support?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- How is the memory protected against unwanted writes?
The memory can be protected against writes by pulling the WP pin high.
- What is the operating temperature range of the CAV24M01WE-GT3?
The device operates over a temperature range of −40°C to +125°C.
- What is the data retention period of the CAV24M01WE-GT3?
The device has a data retention period of 100 years.
- How many program/erase cycles does the CAV24M01WE-GT3 support?
The device supports up to 1,000,000 program/erase cycles.
- What types of packages are available for the CAV24M01WE-GT3?
The device is available in 8-pin SOIC and TSSOP packages.
- Is the CAV24M01WE-GT3 RoHS compliant?
Yes, the device is Pb-free, halogen-free, and RoHS compliant.
- What is the purpose of the on-chip error correction code (ECC)?
The ECC enhances the reliability of the device by correcting errors that may occur during data storage or retrieval.
- How does the power-on reset (POR) circuitry function?
The POR circuitry protects the internal logic against powering up in the wrong state and prevents brown-out failure by resetting the device when VCC drops below the POR trigger level.
