Overview
The CAT25040HU4I-GT3 is a 4 Kb (512 x 8) Serial SPI EEPROM device manufactured by onsemi. This component is part of the CAT25040 series and is designed for applications requiring non-volatile memory storage. It features a Serial Peripheral Interface (SPI) protocol, making it compatible with a wide range of microcontrollers and other host devices. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports clock frequencies up to 20 MHz. It is packaged in an 8-pin UDFN (Ultra Dual Flat No-Lead) package, which is RoHS-compliant and suitable for surface mount assembly.
Key Specifications
| Attribute | Value |
|---|---|
| Memory Density | 4 Kb |
| Memory Organization | 512 x 8 bits |
| Supply Voltage (Nominal) | 1.8 V to 5.5 V |
| Clock Frequency (Max) | 20 MHz |
| Write Cycle Time (Max) | 5 ms |
| Package Style | UDFN-8 |
| Mounting Method | Surface Mount |
| Operating Temperature Range | -40°C to +85°C (Industrial), -40°C to +125°C (Extended) |
Key Features
- SPI Compatible: Supports SPI modes (0,0) and (1,1).
- Wide Supply Voltage Range: Operates from 1.8 V to 5.5 V.
- High-Speed Clock: Up to 20 MHz clock frequency.
- Write Protection: Software and hardware write protection, including partial and full array protection.
- Page Write Buffer: 16-byte page write buffer.
- Status Register: Includes status and control bits such as RDY, WEL, BP0, and BP1.
- HOLD Input: Allows pausing of serial communication.
Applications
The CAT25040HU4I-GT3 is suitable for a variety of applications that require non-volatile memory storage, such as:
- Consumer Electronics: For storing configuration data, user settings, and other non-volatile information.
- Industrial Control Systems: To store calibration data, settings, and other critical information.
- Automotive Systems: For storing vehicle settings, calibration data, and other non-volatile information.
- Medical Devices: To store patient data, device settings, and other critical information.
- IoT Devices: For storing configuration data, user settings, and other non-volatile information in IoT applications.
Q & A
- What is the memory density of the CAT25040HU4I-GT3?
The memory density is 4 Kb, organized as 512 x 8 bits.
- What is the supply voltage range for this device?
The supply voltage range is from 1.8 V to 5.5 V.
- What is the maximum clock frequency supported by this device?
The maximum clock frequency is 20 MHz.
- What type of package does the CAT25040HU4I-GT3 come in?
The device is packaged in an 8-pin UDFN (Ultra Dual Flat No-Lead) package.
- Does the CAT25040HU4I-GT3 support write protection?
Yes, it supports software and hardware write protection, including partial and full array protection.
- How does the HOLD input function on this device?
The HOLD input allows pausing of serial communication between the host and the CAT25040HU4I-GT3 device.
- What is the purpose of the Status Register in the CAT25040HU4I-GT3?
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.
- Can the CAT25040HU4I-GT3 be used in high-temperature environments?
Yes, it operates over a temperature range of -40°C to +85°C (Industrial) and -40°C to +125°C (Extended).
- How many bytes can be written in a single page write operation?
Up to 16 bytes can be written in a single page write operation.
- Is the CAT25040HU4I-GT3 RoHS-compliant?
Yes, the device is RoHS-compliant (Lead-free, Halogen-free).
