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M95040-WMN3T from ST,ST Microelectronics

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M95040-WMN3T

Manufacturer: ST

4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock

Partnumber Manufacturer Quantity Availability
M95040-WMN3T,M95040WMN3T ST 2300 In Stock

Description and Introduction

4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock The M95040-WMN3T is a serial EEPROM manufactured by STMicroelectronics. Below are the factual details about this component:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Memory Type:** EEPROM  
- **Memory Size:** 4 Kbit (512 x 8)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Supply Voltage:** 1.8V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Time:** 5 ms (typical)  
- **Write Endurance:** 4 million cycles  
- **Data Retention:** 200 years  
- **Package:** SO8 (150 mil width)  

### **Descriptions:**  
- The M95040-WMN3T is a 4 Kbit SPI-compatible EEPROM with a wide voltage range (1.8V to 5.5V).  
- It supports high-speed SPI clock frequencies (up to 10 MHz).  
- Features a write-protect function via the `W` pin for hardware data protection.  
- Includes a software write protection mechanism (partial or full memory protection).  

### **Features:**  
- **SPI Interface:** Supports modes 0 and 3.  
- **Low Power Consumption:**  
  - Standby current: 2 µA (typical)  
  - Active current: 2 mA (typical at 5V, 10 MHz)  
- **Page Write Mode:** Allows up to 32 bytes to be written in a single operation.  
- **Industrial Temperature Range:** -40°C to +85°C.  
- **AEC-Q100 Qualified:** Suitable for automotive applications.  

This information is based on the official STMicroelectronics datasheet for the M95040-WMN3T.

Application Scenarios & Design Considerations

4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock

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