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M93C66-WDW6T

16Kbit, 8Kbit, 4Kbit, 2Kbit, 1Kbit and 256bit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM

Partnumber Manufacturer Quantity Availability
M93C66-WDW6T,M93C66WDW6T 11069 In Stock

Description and Introduction

16Kbit, 8Kbit, 4Kbit, 2Kbit, 1Kbit and 256bit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM The M93C66-WDW6T is a 4-Kbit (256 x 16 or 512 x 8) serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Memory Organization:**  
  - 256 x 16-bit or 512 x 8-bit  
- **Interface:** Microwire (3-wire serial)  
- **Supply Voltage:** 2.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Time:** 5 ms (typical)  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 200 years  
- **Package:** TSSOP-8  

### **Features:**  
- Sequential read operation  
- Software write protection  
- Self-timed programming cycle  
- Schmitt trigger inputs for noise filtering  
- Low power consumption  

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

Application Scenarios & Design Considerations

16Kbit, 8Kbit, 4Kbit, 2Kbit, 1Kbit and 256bit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM

Alternative Part Number

  • AT93C66A-10SU-2.7 --: Pin-compatible 4Kbit 3-wire serial EEPROM with similar 2.7V operation and SOIC-8 package; widely available alternative from a different series.
  • CAT93C66VI-GT3 --: 4Kbit Microwire serial EEPROM in SOIC-8, functionally equivalent to the M93C66 with compatible voltage range and interface.
  • BR93L66RF-WE2 --: 4Kbit 3-wire serial EEPROM in SOP-8 with similar organization and supply voltage, suitable drop-in replacement from a different manufacturer series.

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