Overview
The CAT24C02YI-GT3A is a 2-Kb I2C CMOS Serial EEPROM device produced by onsemi. This device is part of the CAT24Cxx series, which includes various memory sizes ranging from 1-Kb to 16-Kb. The CAT24C02YI-GT3A is organized internally as 16 pages of 16 bytes each, making it suitable for applications requiring non-volatile data storage.
The device supports both Standard (100 kHz) and Fast (400 kHz) I2C protocols, ensuring compatibility with a wide range of systems. It operates within a supply voltage range of 1.7 V to 5.5 V, making it versatile for different power requirements.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Size | 2 Kb | |
| Memory Organization | 16 pages of 16 bytes each | |
| Memory Interface | I2C | |
| Clock Frequency | 100 kHz (Standard), 400 kHz (Fast) | kHz |
| Supply Voltage Range | 1.7 V to 5.5 V | V |
| Read Current (fSCL = 400 kHz) | 1 mA | mA |
| Write Current (fSCL = 400 kHz) | 2 mA | mA |
| Standby Current (VCC ≤ 3.3 V) | 1 μA | μA |
| Output Low Voltage (VCC > 2.5 V, IOL = 3 mA) | 0.4 V | V |
| Temperature Range | −40°C to +125°C | °C |
| Package Type | TSSOP-8 |
Key Features
- Supports Standard and Fast I2C Protocol
- 1.7 V to 5.5 V Supply Voltage Range
- 16-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
- More than 1,000,000 Program/Erase Cycles
- 100 Year Data Retention
- Industrial and Extended Temperature Range
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
The CAT24C02YI-GT3A is suitable for a variety of applications that require non-volatile data storage, including:
- Consumer Electronics: Such as TVs, audio equipment, and other household appliances.
- Industrial Control Systems: For storing configuration data, calibration settings, and other critical parameters.
- Automotive Systems: For applications requiring robust and reliable data storage in harsh environments.
- Medical Devices: For storing patient data, device settings, and other vital information.
- Internet of Things (IoT) Devices: For storing configuration data, sensor readings, and other application-specific information.
Q & A
- What is the memory size of the CAT24C02YI-GT3A?
The CAT24C02YI-GT3A has a memory size of 2 Kb, organized into 16 pages of 16 bytes each.
- What are the supported I2C protocols?
The device supports both Standard (100 kHz) and Fast (400 kHz) I2C protocols.
- What is the supply voltage range of the CAT24C02YI-GT3A?
The supply voltage range is from 1.7 V to 5.5 V.
- How many program/erase cycles does the device support?
The device supports more than 1,000,000 program/erase cycles.
- What is the data retention period of the CAT24C02YI-GT3A?
The device has a data retention period of 100 years.
- Is the CAT24C02YI-GT3A RoHS compliant?
Yes, the device is Pb-Free, Halogen Free/BFR Free and RoHS Compliant.
- What is the temperature range of the CAT24C02YI-GT3A?
The device operates within a temperature range of −40°C to +125°C.
- How does the device handle power-on reset?
The device incorporates Power-On Reset (POR) circuitry that protects the internal logic against powering up in the wrong state, ensuring it powers up into Standby mode and resets when VCC drops below the POR trigger level.
- What is the purpose of the WP pin?
The WP (Write Protect) pin inhibits all write operations when pulled HIGH.
- Can multiple devices be addressed on the same bus?
Yes, external address pins allow for addressing up to eight CAT24C02 devices on the same bus.
