Key facts
- Brand
- Catalyst
- Model
- CAT1161
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-11
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Catalyst CAT1161/2 (16K) Data Sheet
The Catalyst CAT1161/2 is a complete memory and supervisory solution designed for microcontroller-based systems. It integrates a 16-Kbit serial EEPROM with hardware write protection, a precision power supply supervisor with brown-out detection, and an optional watchdog timer (present only in the CAT1161 variant). The device operates on a standard I2C bus.
Read onlineCatalyst CAT1161 specifications
| Memory Size | 16-Kbit (16-Byte page write buffer) |
|---|---|
| Operating Voltage Range | 2.7V to 6.0V |
| Clock Frequency | 100 kHz to 400 kHz |
| Program/Erase Cycles | 1,000,000 cycles/byte |
| Data Retention | 100 Years |
| Watchdog Timer Period | 1.6 seconds |
| Reset Timeout | 200 ms typical |
All Catalyst CAT1161 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the difference between CAT1161 and CAT1162?
The CAT1161 includes a watchdog timer that monitors the SDA line, while the lower cost CAT1162 does not have a watchdog timer.
What are the available reset threshold voltage options?
Five options are available: 4.50-4.75V, 4.25-4.50V, 3.00-3.15V, 2.85-3.00V, and 2.55-2.70V.
What is the watchdog timer timeout period?
The watchdog timer times out after 1.6 seconds of no activity on the SDA line.
From: Catalyst CAT1161/2 Supervisory Circuit I2C EEPROM Reset Controller and Watchdog Timer Datasheet
What supply voltage range does the CAT1161/2 support?
The device operates from 2.7 V up to 6.0 V.
From: Catalyst CAT1161/2 Supervisory Circuit I2C EEPROM Reset Controller and Watchdog Timer Datasheet