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M93C66WMN6 from ST,ST Microelectronics

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M93C66WMN6

Manufacturer: ST

16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM

Partnumber Manufacturer Quantity Availability
M93C66WMN6 ST 5 In Stock

Description and Introduction

16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM The M93C66WMN6 is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Memory Size:** 4Kbit (512 x 8 or 256 x 16)  
- **Interface:** Microwire (3-wire serial interface)  
- **Supply Voltage:** 1.8V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Time:** 5ms (typical)  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 40 years  
- **Package:** SO-8  

### **Features:**  
- **Serial Interface:** Compatible with Microwire protocol.  
- **Software Protection:** Built-in write protection mechanism.  
- **Low Power Consumption:** Suitable for battery-operated applications.  
- **High Reliability:** Long data retention and high endurance.  
- **Wide Voltage Range:** Supports operation from 1.8V to 5.5V.  

This EEPROM is commonly used in automotive, industrial, and consumer electronics for storing configuration data.

Application Scenarios & Design Considerations

16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM

Alternative Part Number

  • CAT93C66VI-GT3 --: Pin-compatible 4Kbit Microwire serial EEPROM with the same 8-pin SOIC footprint and 2.5-5.5V supply range, widely available and a direct functional drop-in.
  • AT93C66B-SSHM-T --: 4Kbit 3-wire serial EEPROM in SOIC-8 with compatible instruction set and voltage range, a well-established second source for the M93C66.
  • BR93L66RF-WE2 --: 4Kbit Microwire EEPROM in SOP-8 with matching pinout and 1.8-5.5V operation, suitable as an alternative when ST parts are unavailable.

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