Overview
The CAT24C32YI-GT3 is a 32-Kb I2C CMOS Serial EEPROM produced by onsemi. This device is internally organized as 4096 words of 8 bits each, providing a total storage capacity of 32 Kb. It features a 32-byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocol. This makes it highly versatile for various applications requiring non-volatile memory.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Capacity | 32 Kb | |
| Organization | 4096 words of 8 bits each | |
| Page Write Buffer | 32 bytes | |
| I2C Protocol Speeds | Standard (100 kHz), Fast (400 kHz), Fast-Plus (1 MHz) | |
| Supply Voltage Range | 1.7 V to 5.5 V | V |
| Operating Temperature Range | −40°C to +85°C (Industrial), −40°C to +125°C (Extended) | °C |
| Package Types | TSSOP-8, UDFN-8, WLCSP-5 | |
| Endurance | 1,000,000 Program/Erase Cycles | |
| Data Retention | 100 years | years |
Key Features
- Supports Standard, Fast, and Fast-Plus I2C protocol
- Wide supply voltage range: 1.7 V to 5.5 V
- 32-byte page write buffer for efficient data transfer
- Hardware write protection for entire memory
- Schmitt triggers and noise suppression filters on I2C bus inputs (SCL and SDA)
- Low power CMOS technology
- High endurance: 1,000,000 program/erase cycles
- Long data retention: 100 years
- External address pins allowing up to eight devices on the same bus
- Power-on reset (POR) circuitry to protect against 'brown-out' failure
Applications
- Alarm Systems
- Audio Players
- Automotive Systems
- Cable Modems
- CDRW
- Cellular Phones
- Cordless Phones
- CRT/LCD Monitors
- Digital Still Cameras
- DRAM Modules
- DVD Players
- Graphic Cards
- Hard Disk Drives
- Health Meters
- Industrial Controls
- Internet Phone Handsets
- Memory Modules
- Notebook PC
- Personal Computers
- Printers
- Set Top Box
- Smart Phones
- TV
- Telecommunications
- Two Way Radios
- Video Games
- Video Tape Recorder
- Vending Machine
Q & A
- What is the memory capacity of the CAT24C32YI-GT3?
The CAT24C32YI-GT3 has a memory capacity of 32 Kb, organized as 4096 words of 8 bits each.
- What I2C protocol speeds does the CAT24C32YI-GT3 support?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocol speeds.
- What is the supply voltage range for the CAT24C32YI-GT3?
The supply voltage range is from 1.7 V to 5.5 V.
- What are the operating temperature ranges for the CAT24C32YI-GT3?
The device operates within the temperature range of −40°C to +85°C (Industrial) and −40°C to +125°C (Extended).
- What types of packages are available for the CAT24C32YI-GT3?
The device is available in TSSOP-8, UDFN-8, and WLCSP-5 packages.
- How many program/erase cycles can the CAT24C32YI-GT3 endure?
The device can endure 1,000,000 program/erase cycles.
- What is the data retention period for the CAT24C32YI-GT3?
The data retention period is 100 years.
- Does the CAT24C32YI-GT3 support multiple devices on the same bus?
Yes, the device supports up to eight devices on the same bus using external address pins.
- What is the purpose of the Power-on Reset (POR) circuitry in the CAT24C32YI-GT3?
The POR circuitry protects the internal logic against powering up in the wrong state and prevents 'brown-out' failure following a temporary loss of power.
- What are some common applications for the CAT24C32YI-GT3?
The device is used in various applications including alarm systems, audio players, automotive systems, and more.
- How does the hardware write protection work on the CAT24C32YI-GT3?
The hardware write protection inhibits all write operations when the Write Protect (WP) input pin is pulled HIGH.
