Overview
The CAT1021WI-30, produced by onsemi, is a comprehensive supervisory circuit designed for microcontroller-based systems. This component integrates a 2k-bit CMOS EEPROM, a precision power supply voltage monitor, a watchdog timer, and manual reset capabilities. It is available in various package options, including 8-pin SOIC, TSSOP, MSOP, and TDFN, ensuring flexibility in design and implementation. The CAT1021WI-30 is RoHS compliant and operates within a wide voltage range of 2.7 V to 5.5 V, making it suitable for a variety of applications requiring robust power management and data storage.
Key Specifications
| Parameter | Units | Min | Max | |
|---|---|---|---|---|
| Voltage Range | V | 2.7 | - | 5.5 |
| Reset Threshold Voltage | V | 2.55 | - | 2.70 |
| Reset Output Valid VCC Voltage | V | 1.00 | - | - |
| Watchdog Timer | - | - | - | - |
| I2C Bus Frequency | kHz | 400 | - | - |
| EEPROM Capacity | bits | 2048 | - | - |
| Program/Erase Cycles | - | 1,000,000 | - | - |
| Data Retention | Years | 100 | - | - |
| Operating Temperature Range | °C | -40 | - | 85 |
| Storage Temperature Range | °C | -65 | - | 150 |
Key Features
- Precision Power Supply Voltage Monitor with five threshold voltage options.
- Watchdog Timer and Manual Reset Input.
- Active High or Low Reset Output with valid reset guaranteed at VCC = 1 V.
- 400 kHz I2C Bus for efficient data transfer.
- Low Power CMOS Technology for reduced power consumption.
- 16-Byte Page Write Buffer and Built-in Inadvertent Write Protection.
- RoHS Compliant and Pb-Free, Halogen Free/BFR Free.
- Industrial and Extended Temperature Ranges for robust operation.
Applications
The CAT1021WI-30 is designed for use in microcontroller-based systems that require robust power management and data storage. It is particularly suitable for applications such as:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics
- Telecommunication equipment
Q & A
- What is the voltage range of the CAT1021WI-30?
The CAT1021WI-30 operates within a voltage range of 2.7 V to 5.5 V. - What types of reset outputs are available?
The CAT1021WI-30 offers active high or low reset outputs. - What is the capacity of the EEPROM in the CAT1021WI-30?
The EEPROM capacity is 2k bits. - How many program/erase cycles does the CAT1021WI-30 support?
The CAT1021WI-30 supports 1,000,000 program/erase cycles. - What is the data retention period of the CAT1021WI-30?
The data retention period is 100 years. - Is the CAT1021WI-30 RoHS compliant?
Yes, the CAT1021WI-30 is RoHS compliant. - What is the operating temperature range of the CAT1021WI-30?
The operating temperature range is -40°C to 85°C. - What types of packages are available for the CAT1021WI-30?
The CAT1021WI-30 is available in 8-pin SOIC, TSSOP, MSOP, and TDFN packages. - Does the CAT1021WI-30 have a watchdog timer?
Yes, the CAT1021WI-30 includes a watchdog timer. - What is the frequency of the I2C bus in the CAT1021WI-30?
The I2C bus frequency is 400 kHz.
