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CAT1161J-42 from CSI

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15.625ms

CAT1161J-42

Manufacturer: CSI

Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller

Partnumber Manufacturer Quantity Availability
CAT1161J-42,CAT1161J42 CSI 5325 In Stock

Description and Introduction

Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller The part **CAT1161J-42** is manufactured by **CSI (California Semiconductor, Inc.)**. 

### **Specifications:**
- **Type:** EEPROM with Microprocessor Supervisor
- **Memory Size:** 1Kbit (128 x 8)
- **Interface:** I²C
- **Voltage Range:** 2.7V to 5.5V
- **Operating Temperature:** -40°C to +85°C
- **Package:** 8-pin SOIC (J-lead)
- **Features:**  
  - Built-in power-on reset  
  - Watchdog timer  
  - Low-voltage detection  
  - Write protection  

For detailed datasheets or further technical information, refer to the manufacturer's documentation.

Partnumber Manufacturer Quantity Availability
CAT1161J-42,CAT1161J42 CAT 1000 In Stock

Description and Introduction

Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller The CAT1161J-42 is a manufacturer part number from ON Semiconductor (formerly Catalyst Semiconductor). Here are the factual specifications from Ic-phoenix technical data files:

1. **Type**: Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)  
2. **Memory Size**: 16 Kbit (2 Kbyte)  
3. **Interface**: I²C (Inter-Integrated Circuit)  
4. **Operating Voltage**: 1.7V to 5.5V  
5. **Speed**: 400 kHz (I²C Fast Mode)  
6. **Write Cycle Time**: 5 ms (max)  
7. **Endurance**: 1,000,000 write cycles  
8. **Data Retention**: 100 years  
9. **Package**: 8-lead SOIC (Small Outline Integrated Circuit)  
10. **Operating Temperature Range**: -40°C to +85°C  

These details are based on the manufacturer's datasheet for the CAT1161J-42.

Partnumber Manufacturer Quantity Availability
CAT1161J-42,CAT1161J42 CATALYST 1405 In Stock

Description and Introduction

Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller The **CAT1161J-42** is a **serial EEPROM with a built-in supervisor** manufactured by **CATALYST SEMICONDUCTOR (now part of ON Semiconductor)**.  

### **Key Specifications:**  
- **Memory Type:** 16-Kbit (2K x 8) **Serial EEPROM**  
- **Interface:** **I²C** (Two-Wire Serial)  
- **Voltage Range:** **2.7V to 5.5V**  
- **Built-in Supervisor:**  
  - **Voltage Monitor** (Reset threshold typically **4.42V**)  
  - **Manual Reset Input**  
- **Write Protection:** Hardware and software write protection  
- **Endurance:** **1,000,000** write cycles  
- **Data Retention:** **100 years**  
- **Package:** **8-pin SOIC (J-lead)**  

### **Applications:**  
- **Microprocessor/microcontroller supervision**  
- **Non-volatile parameter storage**  
- **Industrial and automotive systems**  

For exact electrical characteristics and timing diagrams, refer to the official **CAT1161 datasheet** from **ON Semiconductor**.

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