Overview
The CAV24C128WE-GT3 is a 128-Kb Serial I2C EEPROM manufactured by onsemi. This device is internally organized as 16,384 words of 8 bits each and is designed to meet the stringent requirements of automotive applications, being AEC-Q100 Grade 1 qualified. It operates over a wide supply voltage range of 2.5 V to 5.5 V and supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols. The device features a 64-byte page write buffer and includes hardware write protection for the entire memory.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Size | 128 kbit | - |
| Organization | 16 k x 8 | - |
| Supply Voltage Range | 2.5 V to 5.5 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Maximum Clock Frequency | 1 MHz | kHz |
| Access Time | 400 ns | ns |
| Data Retention | 100 Years | Years |
| Supply Current (Max) | 5 mA | mA |
| Package Type | SOIC-8 | - |
| Program/Erase Cycles | 1,000,000 | Cycles |
| Write Cycle Time | 5 ms | ms |
Key Features
- AEC-Q100 Grade 1 qualified for automotive applications, operating from -40°C to +125°C.
- Supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- 64-byte page write buffer for efficient data writing.
- Hardware write protection for the entire memory via the WP pin.
- On-Chip ECC (Error Correction Code) for high reliability applications.
- Schmitt Triggers and Noise Suppression Filters on I2C Bus Inputs (SCL and SDA) for improved noise immunity.
- Low Power CMOS Technology.
- Power-On Reset (POR) circuitry to protect against incorrect power-up states.
- RoHS compliant, Pb-free, Halogen-free/BFR-free.
Applications
The CAV24C128WE-GT3 is suitable for a variety of applications, particularly in the automotive sector due to its AEC-Q100 Grade 1 qualification. It can be used in:
- Automotive systems requiring reliable and durable memory solutions.
- Industrial control systems where high reliability and low power consumption are critical.
- Consumer electronics that require non-volatile memory with fast I2C interface.
- Medical devices that need robust and reliable data storage.
Q & A
- What is the memory size of the CAV24C128WE-GT3?
The memory size is 128 kbit, organized as 16,384 words of 8 bits each.
- What are the supported I2C protocols?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- What is the operating temperature range of the CAV24C128WE-GT3?
The operating temperature range is from -40°C to +125°C.
- How many program/erase cycles does the device support?
The device supports up to 1,000,000 program/erase cycles.
- What is the purpose of the WP pin?
The WP pin is used for hardware write protection of the entire memory.
- Does the device have any built-in error correction?
Yes, the device includes On-Chip ECC (Error Correction Code) for high reliability applications.
- What type of package is the CAV24C128WE-GT3 available in?
The device is available in an SOIC-8 package.
- Is the CAV24C128WE-GT3 RoHS compliant?
Yes, the device is RoHS compliant, Pb-free, Halogen-free/BFR-free.
- What is the maximum clock frequency supported by the device?
The maximum clock frequency supported is 1 MHz.
- How long does the device retain data?
The device retains data for up to 100 years.
