Overview
The CAT24C512WI-GT3 is a 512-Kb I2C Serial EEPROM produced by onsemi. This device is internally organized as 65,536 words of 8 bits each, providing a total storage capacity of 512 Kbits. It supports the Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocol, making it versatile for various applications. The CAT24C512WI-GT3 features a 128-byte page write buffer and includes hardware write protection for the entire memory, ensuring data integrity. It is designed with low power CMOS technology and offers high reliability with on-chip ECC (Error Correction Code) logic.
Key Specifications
| Parameter | Min | Max | Units | Description |
|---|---|---|---|---|
| Supply Voltage (VCC) | 1.8 | 5.5 | V | Operating voltage range |
| Read Current (ICCR) | - | 1 | mA | At fSCL = 400 kHz/1 MHz |
| Write Current (ICCW) | - | 1.8 (VCC = 1.8 V), 2.5 (VCC = 5.5 V) | mA | - |
| Standby Current (ISB) | - | 2 (TA = -40°C to +85°C), 5 (TA = -40°C to +125°C) | μA | All I/O pins at GND or VCC |
| I/O Pin Leakage (IL) | - | 1 (TA = -40°C to +85°C), 2 (TA = -40°C to +125°C) | μA | Pin at GND or VCC |
| Program/Erase Cycles | - | 1,000,000 | - | - |
| Data Retention | - | 100 years | - | - |
| Operating Temperature | -40 | 85 | °C | Industrial temperature range |
| Package Type | - | - | - | SOIC-8, TSSOP-8, UDFN-8, WLCSP-8 |
Key Features
- Supports Standard, Fast, and Fast-Plus I2C protocol (100 kHz, 400 kHz, and 1 MHz respectively)
- 128-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) logic for high reliability applications
- Up to 8 devices can be addressed on the same bus using external address pins A0, A1, and A2
- Power-On Reset (POR) circuitry to protect against brown-out failure
- 100,000,000 program/erase cycles and 100 years data retention
- RoHS compliant, Pb-free, Halogen-free/BFR-free
Applications
The CAT24C512WI-GT3 is suitable for a wide range of applications requiring non-volatile memory, including:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- High reliability systems where data integrity is critical
Q & A
- What is the storage capacity of the CAT24C512WI-GT3?
The CAT24C512WI-GT3 has a storage capacity of 512 Kbits, organized as 65,536 words of 8 bits each.
- What I2C protocols does the CAT24C512WI-GT3 support?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- How does the hardware write protection work?
Write operations can be inhibited by taking the WP (Write Protect) pin high, which protects the entire memory.
- What is the operating voltage range of the CAT24C512WI-GT3?
The operating voltage range is from 1.8 V to 5.5 V.
- What is the maximum number of program/erase cycles for the CAT24C512WI-GT3?
The device can endure up to 1,000,000 program/erase cycles.
- How long does the data retention last?
The data retention is up to 100 years.
- What types of packages are available for the CAT24C512WI-GT3?
The device is available in SOIC-8, TSSOP-8, UDFN-8, and WLCSP-8 packages.
- Is the CAT24C512WI-GT3 RoHS compliant?
Yes, the device is RoHS compliant, Pb-free, and Halogen-free/BFR-free.
- How many devices can be addressed on the same I2C bus?
Up to 8 devices can be addressed on the same bus using the external address pins A0, A1, and A2.
- What is the purpose of the Power-On Reset (POR) circuitry?
The POR circuitry protects the internal logic against powering up in the wrong state and prevents brown-out failure.
