Overview
The CAV24C32WE-GT3 is a 32-Kb Serial EEPROM device from onsemi, designed for automotive and other applications requiring high reliability and robust performance. This device is internally organized as 4096 words of 8 bits each and supports the Standard (100 kHz) and Fast (400 kHz) I2C protocol. It is part of the CAV24C32 series, which is Automotive AEC-Q100 Grade 1 qualified, ensuring operation over a temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Min | Max | Units |
|---|---|---|---|
| Supply Voltage Range | 2.5 | 5.5 | V |
| Storage Temperature | -65 | +150 | °C |
| Read Current (fSCL = 400 kHz) | 1 | mA | |
| Write Current (fSCL = 400 kHz) | 2 | mA | |
| Standby Current | 5 | µA | |
| I/O Pin Leakage | 2 | µA | |
| Input Low Voltage | -0.5 | 0.3 x VCC | V |
| Input High Voltage | 0.7 x VCC | VCC + 0.5 | V |
| Output Low Voltage (IOL = 3 mA) | 0.4 | V | |
| Program/Erase Cycles | 1,000,000 | ||
| Data Retention | 100 years | ||
| Package Types | SOIC-8, TSSOP-8, WLCSP 4-Ball and 5-Ball |
Key Features
- Automotive AEC-Q100 Grade 1 qualified for operation over -40°C to +125°C temperature range.
- Supports Standard and Fast I2C protocol (100 kHz and 400 kHz).
- 32-byte page write buffer.
- Hardware write protection for entire memory.
- Schmitt triggers and noise suppression filters on I2C bus inputs (SCL and SDA).
- Low power CMOS technology.
- 1,000,000 program/erase cycles.
- 100-year data retention.
- Pb-free, halogen-free, and RoHS compliant.
- External address pins allow up to eight devices on the same bus.
Applications
The CAV24C32WE-GT3 is designed for use in various automotive and industrial applications where reliability and durability are critical. These include:
- Automotive systems: engine control units, infotainment systems, and other automotive electronics.
- Industrial control systems: PLCs, sensors, and other industrial automation devices.
- Consumer electronics: devices requiring non-volatile memory with high reliability and low power consumption.
Q & A
- What is the temperature range for the CAV24C32WE-GT3?
The device operates over a temperature range of -40°C to +125°C.
- What I2C protocols does the CAV24C32WE-GT3 support?
The device supports Standard (100 kHz) and Fast (400 kHz) I2C protocols.
- What is the capacity of the CAV24C32WE-GT3?
The device has a capacity of 32 Kb, organized as 4096 words of 8 bits each.
- How many devices can be addressed on the same bus?
Up to eight devices can be addressed on the same bus using external address pins.
- What is the write protection feature of the CAV24C32WE-GT3?
The device features hardware write protection for the entire memory, which can be enabled by pulling the WP pin HIGH.
- What is the data retention period of the CAV24C32WE-GT3?
The device has a data retention period of 100 years.
- How many program/erase cycles does the CAV24C32WE-GT3 support?
The device supports up to 1,000,000 program/erase cycles.
- Is the CAV24C32WE-GT3 RoHS compliant?
Yes, the device is Pb-free, halogen-free, and RoHS compliant.
- What are the available package types for the CAV24C32WE-GT3?
The device is available in SOIC-8, TSSOP-8, and WLCSP 4-Ball and 5-Ball packages.
- Does the CAV24C32WE-GT3 have power-on reset (POR) circuitry?
Yes, the device incorporates power-on reset (POR) circuitry to protect the internal logic against powering up in the wrong state.
