Overview
The CAT25128YI-GT3D is a 128-Kb Serial CMOS EEPROM device produced by ON Semiconductor. This device is internally organized as 16Kx8 bits and features a 64-byte page write buffer. It supports the Serial Peripheral Interface (SPI) protocol, making it suitable for a wide range of applications requiring non-volatile memory.
The device is part of the CAT25128 series, which has been qualified for production in ON Semiconductor’s 0.18 µm CMOS EE process at the Gresham, Oregon Wafer Fab, ensuring improved product performance and backward compatibility with previous revisions.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Size | 128 Kb | |
| Organization | 16Kx8 bits | |
| Page Write Buffer | 64 bytes | |
| SPI Frequency | Up to 20 MHz (Vcc=5V), Up to 10 MHz (Vcc down to 2.5V) | Hz |
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Temperature Range | Industrial and Extended Temperature Range | |
| Program/Erase Cycles | 1,000,000 | |
| Data Retention | 100 years | Years |
| Write Protection | Hardware and Software Protection, Block Write Protection |
Key Features
- 20 MHz SPI Compatible
- SPI Modes (0,0) & (1,1)
- 64-byte Page Write Buffer
- Additional Identification Page with Permanent Write Protection
- Self-timed Write Cycle
- Hardware and Software Write Protection
- Block Write Protection - Protect 1/4, 1/2 or Entire EEPROM Array
- Low Power CMOS Technology
- On-Chip ECC (Error Correction Code) for high reliability applications
Applications
The CAT25128YI-GT3D is suitable for various applications requiring non-volatile memory, including:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Any system needing reliable and high-speed SPI EEPROM
Q & A
- What is the memory size of the CAT25128YI-GT3D?
The CAT25128YI-GT3D has a memory size of 128 Kb, organized as 16Kx8 bits.
- What is the maximum SPI frequency supported by the CAT25128YI-GT3D?
The device supports up to 20 MHz SPI frequency at Vcc=5V and up to 10 MHz at Vcc down to 2.5V.
- What is the supply voltage range for the CAT25128YI-GT3D?
The supply voltage range is from 1.8 V to 5.5 V.
- Does the CAT25128YI-GT3D support write protection?
Yes, it supports both hardware and software write protection, including block write protection.
- How many program/erase cycles does the CAT25128YI-GT3D support?
The device supports 1,000,000 program/erase cycles.
- What is the data retention period of the CAT25128YI-GT3D?
The data retention period is 100 years.
- Does the CAT25128YI-GT3D have an additional identification page?
Yes, it features an additional 64-byte identification page with permanent write protection.
- Is the CAT25128YI-GT3D suitable for high reliability applications?
Yes, it includes on-chip ECC (Error Correction Code) for high reliability applications.
- What are the typical applications for the CAT25128YI-GT3D?
It is suitable for industrial control systems, automotive systems, consumer electronics, medical devices, and any system needing reliable and high-speed SPI EEPROM.
- How does the device handle power-up and write operations?
The device powers up in a write disable state and in a low power standby mode. A WREN instruction must be issued prior to any writes to the device.
