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M93C46 from ST,ST Microelectronics

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M93C46

Manufacturer: ST

16K/8K/4K/2K/1K/256 (X8/X16) SERIAL MICROWIRE BUS EEPROM

Partnumber Manufacturer Quantity Availability
M93C46 ST 27 In Stock

Description and Introduction

16K/8K/4K/2K/1K/256 (X8/X16) SERIAL MICROWIRE BUS EEPROM The M93C46 is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 1Kbit (128 x 8 or 64 x 16)  
- **Interface:** Microwire (3-wire serial interface)  
- **Supply Voltage:**  
  - 2.5V to 5.5V (M93C46-W)  
  - 1.8V to 5.5V (M93C46-R)  
- **Operating Temperature Range:**  
  - Industrial: -40°C to +85°C  
  - Automotive: -40°C to +125°C (AEC-Q100 qualified)  
- **Write Time:** 5ms (typical)  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 200 years  
- **Package Options:** SO8, TSSOP8, UFDFPN8  

### **Descriptions:**
- The M93C46 is a low-power EEPROM with a serial interface, suitable for storing configuration data in embedded systems.  
- It supports both 8-bit and 16-bit organization modes.  
- Features a software-controlled write protection mechanism.  

### **Features:**
- **Serial Microwire Interface:** Simple 3-wire communication (CS, SK, DI/DO).  
- **Sequential Read Mode:** Allows faster data access.  
- **Write Protection:** Enabled/disabled via software commands.  
- **Low Power Consumption:**  
  - Standby current: 1μA (max)  
  - Active current: 2mA (max)  
- **Self-Timed Programming Cycle:** No external timing required.  
- **ESD Protection:** > 4000V (Human Body Model).  

This information is based on the manufacturer's datasheet for the M93C46 EEPROM from STMicroelectronics.

Application Scenarios & Design Considerations

16K/8K/4K/2K/1K/256 (X8/X16) SERIAL MICROWIRE BUS EEPROM
Partnumber Manufacturer Quantity Availability
M93C46 STMicroelectronics 957 In Stock

Description and Introduction

16K/8K/4K/2K/1K/256 (X8/X16) SERIAL MICROWIRE BUS EEPROM The M93C46 is a 1-Kbit (64 x 16 or 128 x 8) serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics.  

### **Specifications:**  
- **Memory Organization:**  
  - 64 x 16-bit or 128 x 8-bit  
- **Interface:**  
  - Microwire (3-wire serial interface)  
- **Supply Voltage:**  
  - 2.5V to 5.5V  
- **Operating Temperature Range:**  
  - -40°C to +85°C (Industrial)  
- **Write Time:**  
  - 5 ms (typical)  
- **Endurance:**  
  - 4 million write cycles  
- **Data Retention:**  
  - 40 years  
- **Packages:**  
  - SO8, TSSOP8, DFN8  

### **Descriptions & Features:**  
- **Serial EEPROM with Microwire Interface:**  
  - Compatible with SPI protocol in certain modes.  
- **Software Write Protection:**  
  - Partial or full memory protection.  
- **Sequential Read Mode:**  
  - Allows faster data access.  
- **Low Power Consumption:**  
  - Active current: 2 mA (typical)  
  - Standby current: 5 µA (max)  
- **Self-Timed Programming Cycle:**  
  - No external timing components required.  
- **High Reliability:**  
  - Built-in error detection and correction mechanisms.  

The M93C46 is commonly used in automotive, industrial, and consumer applications for storing configuration data.

Application Scenarios & Design Considerations

16K/8K/4K/2K/1K/256 (X8/X16) SERIAL MICROWIRE BUS EEPROM

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