The CAT1021WI45 from Quarktwin Technology Ltd. is a supervisory circuit that integrates a 2k-bit CMOS EEPROM with a power supply voltage monitor and a watchdog timer. It operates within a voltage range of 2.7 V to 5.5 V and features five selectable threshold voltage options suitable for 5 V, 3.3 V, and 3 V systems. The device includes both active high and low reset outputs, ensuring valid reset signals even at low supply voltages down to 1 V. The watchdog timer, which has a timeout period of 1.6 seconds, helps to reset the system in case of software or hardware failures. The CAT1021WI45 also incorporates a manual reset input and a write protect feature, allowing for enhanced data integrity during power fluctuations. It is available in various package types, including an 8-pin SOIC, making it versatile for different applications. The device is rated for industrial and extended temperature ranges from -40¬?C to 125¬?C, ensuring reliability in demanding environments.
Supervisor Open Drain or Open Collector 1 Channel 8-SOIC
IC SUPERVISOR MEMORY 8SOIC
IC SUPERVISOR MEMORY 8SOIC
Supervisor Open Drain or Open Collector 1 Channel 8-SOIC
| DigiKey | Acme Chip Technology Co., Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|
| Product Category | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips |
| Product Number | 488-CAT1021WI45-ND | CAT1021WI45 | CAT1021WI45 | CAT1021WI45 |
| Product Name | Supervisors | Integrated Circuits (ICs) - Power Management (PMIC) - Supervisors | PMIC - Supervisors | Supervisors |
| Features | Manual Reset | |||
| Output Options | Open Drain; Active Low; Active High | Open Drain; Open Drain or Open Collector | Open Drain | |
| Type | SOIC; "8-SOIC (0.154"", 3.90mm Width)" | SOIC; 8-SOIC (0.154, 3.90mm Width) | SOIC; 8-SOIC (0.154\", 3.90mm Width) |
