Overview
The CAT25020YI-GT3D is a 2-Kb SPI Serial CMOS EEPROM device produced by onsemi. This device is part of the CAT25010/20/40 series, which are internally organized as 256x8 bits. It features a 16-byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol. The device is designed for applications requiring non-volatile memory and is available in various package types, including TSSOP-8.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Size | 2 Kb (256x8 bits) | |
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Operating Temperature Range | −40°C to +85°C (Industrial), −40°C to +125°C (Extended) | °C |
| Storage Temperature Range | −65°C to +150°C | °C |
| Clock Frequency | Up to 20 MHz | MHz |
| Endurance | 1,000,000 Program/Erase Cycles | |
| Data Retention | 100 Years | Years |
| Package Type | TSSOP-8 |
Key Features
- 20 MHz (5 V) SPI Compatible
- SPI Modes (0,0) & (1,1)
- 16-byte Page Write Buffer
- Software and Hardware Write Protection, including partial and full array protection
- Write Protect (WP) Pin to control write operations
- HOLD Pin to pause any serial communication
- Status Register with RDY, WEL, BP0, and BP1 bits for status and control
Applications
The CAT25020YI-GT3D is suitable for a variety of applications requiring non-volatile memory, such as:
- Consumer Electronics: For storing configuration data, user settings, and calibration data.
- Industrial Control Systems: For storing parameters, calibration data, and firmware updates.
- Automotive Systems: For storing vehicle settings, calibration data, and diagnostic information.
- Medical Devices: For storing patient data, device settings, and calibration information.
Q & A
- What is the memory size of the CAT25020YI-GT3D?
The CAT25020YI-GT3D has a memory size of 2 Kb, organized as 256x8 bits.
- What is the operating voltage range of the CAT25020YI-GT3D?
The device operates within a supply voltage range of 1.8 V to 5.5 V.
- What are the supported SPI modes?
The CAT25020YI-GT3D supports SPI modes (0,0) and (1,1).
- How many program/erase cycles can the device endure?
The device can endure up to 1,000,000 program/erase cycles.
- What is the data retention period of the CAT25020YI-GT3D?
The device has a data retention period of 100 years.
- What is the purpose of the HOLD pin?
The HOLD pin can be used to pause any serial communication with the device.
- How does the write protection work on the CAT25020YI-GT3D?
The device features software and hardware write protection, including partial and full array protection, controlled by the WP pin and status register bits.
- What package types are available for the CAT25020YI-GT3D?
The device is available in TSSOP-8 package type.
- How do you read data from the memory array?
To read data, the host sends a READ instruction followed by an 8-bit address, and the device responds by shifting out data on the SO pin.
- What is the function of the Status Register?
The Status Register contains status and control bits such as RDY, WEL, BP0, and BP1, which indicate the device's status and control write operations.
