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M93S66-WBN6 from ST,ST Microelectronics

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M93S66-WBN6

Manufacturer: ST

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

Partnumber Manufacturer Quantity Availability
M93S66-WBN6,M93S66WBN6 ST 28 In Stock

Description and Introduction

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection The **M93S66-WBN6** is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Memory Size:** 4 Kbit (512 x 8 bits)  
- **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)  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 200 years  
- **Package:** SO8 (150 mil width)  

### **Descriptions:**  
- The **M93S66-WBN6** is a low-power, high-reliability EEPROM with SPI-compatible serial communication.  
- It supports byte and page write operations (up to 32 bytes per page).  
- Features a write protection mechanism via software and hardware (WP pin).  

### **Features:**  
- **SPI Bus Modes:** Supports modes 0 and 3.  
- **Sequential Read:** Allows fast sequential read operations.  
- **Software Protection:** Write protection enabled via status register.  
- **Hardware Protection:** Write Protect (WP) pin for additional security.  
- **Low Power Consumption:** Standby current as low as 2 µA (typical).  
- **Extended Voltage Range:** Operates from 1.8V to 5.5V.  

This information is based on STMicroelectronics' official datasheet for the **M93S66-WBN6**.

Application Scenarios & Design Considerations

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

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