Overview
The CAT24C02YI-GT3JN is a 2-Kb I2C Serial EEPROM device produced by onsemi. This component is part of the CAT24Cxx series, which includes devices with varying memory capacities. The CAT24C02 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 | Min | Max | Units |
|---|---|---|---|
| Supply Voltage (VCC) | 1.7 | 5.5 | V |
| Operating Temperature | -40 | 85 | °C |
| Memory Capacity | - | 2 Kb | - |
| Page Size | - | 16 bytes | - |
| Number of Pages | - | 16 | - |
| I2C Clock Frequency | 100 kHz | 400 kHz | - |
| Read Current (ICCR) | - | 1 mA | - |
| Write Current (ICCW) | - | 2 mA | - |
| Standby Current (ISB) | - | 1 μA (VCC ≤ 3.3 V) | - |
| Input Low Voltage (VIL) | -0.5 | 0.3 x VCC | V |
| Input High Voltage (VIH) | 0.7 x VCC | VCC + 0.5 | V |
Key Features
- Supports Standard and Fast I2C Protocol: Compatible with both 100 kHz and 400 kHz I2C clock frequencies.
- Wide Supply Voltage Range: Operates from 1.7 V to 5.5 V, making it suitable for various power environments.
- 16-Byte Page Write Buffer: Allows writing up to 16 bytes of data in a single write cycle.
- Hardware Write Protection: The WP pin inhibits all write operations when pulled HIGH, providing hardware-level protection for the memory.
- Power-On Reset (POR): Ensures the device powers up in a known state and protects against 'brown-out' failures.
- Low Power Consumption: Standby current as low as 1 μA, making it energy-efficient.
- Multiple Package Options: Available in TSOT-23, TSSOP-8, and UDFN8 packages to suit different design requirements.
Applications
- Industrial Automation: Suitable for storing configuration data, calibration settings, and other non-volatile information in industrial control systems.
- Consumer Electronics: Used in devices such as TVs, audio equipment, and other consumer electronics for storing user settings and calibration data.
- Medical Devices: Ideal for medical equipment that requires non-volatile storage of critical data, such as calibration settings and patient information.
- Automotive Systems: Can be used in automotive systems for storing configuration data, diagnostic information, and other non-volatile data.
- IoT Devices: Suitable for IoT devices that need to store small amounts of non-volatile data, such as device IDs, settings, and logs.
Q & A
- What is the memory capacity of the CAT24C02YI-GT3JN?
The CAT24C02YI-GT3JN has a memory capacity of 2 Kb, organized into 16 pages of 16 bytes each.
- What are the supported I2C clock frequencies for this device?
The device supports both Standard (100 kHz) and Fast (400 kHz) I2C protocols.
- What is the supply voltage range for the CAT24C02YI-GT3JN?
The device operates within a supply voltage range of 1.7 V to 5.5 V.
- How does the hardware write protection work?
The WP pin inhibits all write operations when pulled HIGH, providing hardware-level protection for the memory.
- What is the purpose of the Power-On Reset (POR) feature?
The POR feature ensures the device powers up in a known state and protects against 'brown-out' failures.
- What are the available package options for this device?
The CAT24C02YI-GT3JN is available in TSOT-23, TSSOP-8, and UDFN8 packages.
- How many devices can be addressed on the same I2C bus?
Up to eight CAT24C02 devices can be addressed on the same I2C bus using the A0, A1, and A2 address pins.
- What is the standby current of the device?
The standby current is as low as 1 μA when VCC is less than or equal to 3.3 V.
- How does the device handle power-up and power-down scenarios?
The device powers up into Standby mode after VCC exceeds the POR trigger level and powers down into Reset mode when VCC drops below the POR trigger level.
- What is the maximum number of bytes that can be written in a single write cycle?
The device can write up to 16 bytes of data in a single write cycle using the Page Write operation.
