Overview
The CAT24C02WI-GT3JN is a 2-Kbit I2C Serial EEPROM device manufactured by ON Semiconductor. This device is part of the CAT24Cxx series, which includes various capacities such as 1-Kb, 4-Kb, 8-Kb, and 16-Kb. The CAT24C02WI-GT3JN 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, allowing for flexible communication with the host system. It features a wide supply voltage range and low power consumption, making it ideal for a variety of electronic systems.
Key Specifications
| Parameter | Min | Max | Units |
|---|---|---|---|
| Supply Voltage (VCC) | 1.7 | 5.5 | V |
| Read Current (ICCR) at fSCL = 400 kHz | - | 1 | mA |
| Write Current (ICCW) at fSCL = 400 kHz | - | 2 | mA |
| Standby Current (ISB) at VCC ≤ 3.3 V | - | 1 | μA |
| Standby Current (ISB) at VCC > 3.3 V | - | 3 | μA |
| Input Low Voltage (VIL) | -0.5 | 0.3 x VCC | V |
| Input High Voltage (VIH) | 0.7 x VCC | VCC + 0.5 | V |
| Output Low Voltage (VOL) at VCC > 2.5 V, IOL = 3 mA | - | 0.4 x VCC | V |
| Output Low Voltage (VOL) at VCC < 2.5 V, IOL = 1 mA | - | 0.2 x VCC | V |
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- I2C Compatibility: Supports both Standard (100 kHz) and Fast (400 kHz) I2C protocols.
- Supply Voltage Range: Operates from 1.7 V to 5.5 V.
- Low Power Consumption: Low standby current and write current.
- Page Write Buffer: 16-byte page write buffer for efficient data writing.
- Hardware Write Protection: Write protect input pin to inhibit all write operations.
- External Address Pins: Allows addressing up to eight CAT24C02 devices on the same bus.
- Power-On Reset (POR): Bi-directional POR circuitry to protect against 'brown-out' failure.
Applications
- Consumer Electronics: Suitable for use in TVs, audio equipment, and other consumer devices requiring non-volatile data storage.
- Industrial Automation: Used in industrial control systems, sensors, and other automation equipment.
- Automotive Systems: Applicable in automotive electronics such as infotainment systems and control modules.
- Medical Devices: Can be used in medical devices that require reliable non-volatile memory.
- IoT Devices: Ideal for Internet of Things (IoT) devices that need to store configuration data or other non-volatile information.
Q & A
- What is the storage capacity of the CAT24C02WI-GT3JN?
The CAT24C02WI-GT3JN has a storage capacity of 2 Kbits, organized as 16 pages of 16 bytes each.
- What I2C protocols does the CAT24C02WI-GT3JN support?
The device supports both Standard (100 kHz) and Fast (400 kHz) I2C protocols.
- What is the supply voltage range for the CAT24C02WI-GT3JN?
The device operates from 1.7 V to 5.5 V.
- How many devices of the same type can be addressed on the same I2C bus?
Up to eight CAT24C02 devices can be addressed on the same bus using external address pins.
- What is the purpose of the Write Protect (WP) input pin?
The WP input pin inhibits all write operations when pulled HIGH.
- Does the CAT24C02WI-GT3JN have any power-on reset features?
Yes, it includes bi-directional Power-On Reset (POR) circuitry to protect against 'brown-out' failure.
- What is the operating temperature range for the CAT24C02WI-GT3JN?
The device operates over a temperature range of -40°C to +125°C.
- How does the device handle data writing?
Data is written by loading 1 to 16 contiguous bytes into a Page Write Buffer and then writing all data to non-volatile memory in one internal write cycle.
- What is the standby current of the CAT24C02WI-GT3JN?
The standby current is 1 μA at VCC ≤ 3.3 V and 3 μA at VCC > 3.3 V.
- Is the CAT24C02WI-GT3JN suitable for automotive applications?
Yes, it is suitable for use in automotive electronics due to its reliable operation and wide temperature range.
