Overview
The CAT24C128WI-GT3 is a 128-Kb I2C Serial EEPROM manufactured by ON Semiconductor. This device is internally organized as 16,384 words of 8 bits each, providing a robust and reliable solution for non-volatile memory needs. It operates within a supply voltage range of 1.8 V to 5.5 V and is designed to function across a wide temperature range of -40°C to 85°C, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Memory Type | Non-Volatile | EEPROM |
| Memory Size | 128 Kb (16K x 8) | |
| Memory Interface | I2C | |
| Clock Frequency | Standard (100 kHz), Fast (400 kHz), Fast-Plus (1 MHz) | |
| Write Cycle Time - Word, Page | 5 ms | |
| Access Time | 400 ns | |
| Voltage - Supply | 1.8 V ~ 5.5 V | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Program/Erase Cycles | 1,000,000 | |
| Data Retention | 100 years |
Key Features
- Supports Standard, Fast, and Fast-Plus I2C protocol (100 kHz, 400 kHz, and 1 MHz respectively)
- 64-byte page write buffer
- Hardware write protection for entire memory via WP pin
- Schmitt triggers and noise suppression filters on I2C bus inputs (SCL and SDA)
- Low power CMOS technology
- On-chip ECC (Error Correction Code) for high reliability applications
- Power-on reset (POR) circuitry to protect against powering up in the wrong state
Applications
The CAT24C128WI-GT3 is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Any system requiring non-volatile memory with I2C interface
Q & A
- What is the memory size of the CAT24C128WI-GT3?
The CAT24C128WI-GT3 has a memory size of 128 Kb, organized as 16K x 8 bits.
- What are the supported I2C protocols for this device?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- What is the operating voltage range of the CAT24C128WI-GT3?
The device operates within a supply voltage range of 1.8 V to 5.5 V.
- What is the access time of the CAT24C128WI-GT3?
The access time is 400 ns).
- How many program/erase cycles does the CAT24C128WI-GT3 support?
The device supports 1,000,000 program/erase cycles).
- What is the data retention period of the CAT24C128WI-GT3?
The data retention period is 100 years).
- Does the CAT24C128WI-GT3 have hardware write protection?
- What type of package does the CAT24C128WI-GT3 come in?
The device comes in an 8-SOIC package).
- What are the operating temperature ranges for the CAT24C128WI-GT3?
The device operates from -40°C to 85°C).
- Does the CAT24C128WI-GT3 support error correction?
