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M93C66-WMN6T from ST,ST Microelectronics

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M93C66-WMN6T

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
M93C66-WMN6T,M93C66WMN6T ST 2500 In Stock

Description and Introduction

16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM The M93C66-WMN6T is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Part Number:**  
M93C66-WMN6T  

### **Description:**  
- **Type:** 4Kbit (512 x 8 or 256 x 16) Microwire Serial EEPROM  
- **Organization:** Configurable as 8-bit or 16-bit memory  
- **Interface:** Microwire-compatible serial interface  
- **Operating Voltage:** 2.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  

### **Features:**  
- **Memory Size:** 4Kbit (512 bytes in 8-bit mode, 256 words in 16-bit mode)  
- **Write Protection:** Software and hardware write protection  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 200 years  
- **Serial Clock Frequency:** Up to 3 MHz (5V supply)  
- **Package:** SOIC-8 (MN)  
- **Additional Features:**  
  - Sequential read operation  
  - Self-timed write cycle  
  - Enhanced ESD protection  

### **Applications:**  
- Automotive systems  
- Industrial controls  
- Consumer electronics  
- Telecom devices  

This information is based on STMicroelectronics' official datasheet for the M93C66-WMN6T.

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 4Kb Microwire serial EEPROM in SOIC-8 with the same 16-bit organization and 2.5-5.5V range, widely available and a direct functional drop-in.
  • AT93C66B-SSHM-T --: 4Kb 3-wire serial EEPROM in SOIC-8 with compatible instruction set and voltage range, from a major supplier with strong long-term availability.
  • BR93L66RF-WE2 --: 4Kb Microwire EEPROM in SOP-8 offering equivalent organization and interface, suitable as a second-source alternative when ST parts are unavailable.

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