Overview
The M93C66-WMN6T is an electrically erasable programmable memory (EEPROM) device produced by STMicroelectronics. This component is part of the M93Cx6 series, which includes devices with various memory sizes such as 1 Kbit, 2 Kbit, 4 Kbit, 8 Kbit, and 16 Kbit. The M93C66-WMN6T specifically offers a 4 Kbit memory capacity, configurable either in bytes (x8) or words (x16).
These devices are accessed through the industry-standard MICROWIRE™ bus protocol and operate within a single supply voltage range of 2.5 V to 5.5 V. They are designed to work over an ambient temperature range of -40°C to +85°C, making them suitable for a variety of applications, including automotive and industrial environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 4 Kbit (512 x 8, 256 x 16) | - |
| Supply Voltage | 2.5 V to 5.5 V | V |
| Operating Temperature | -40°C to +85°C | °C |
| Clock Frequency | 2 MHz (or less) | Hz |
| Write Cycle Time | 5 ms | ms |
| Write Cycle Endurance | More than 4 million cycles | - |
| Data Retention | More than 200 years | - |
| Package Type | SO8, TSSOP8, DFN8 | - |
| ESD Protection | Enhanced ESD/latch-up behavior | - |
| RoHS Compliance | Yes, ECOPACK2 (RoHS compliant) and halogen-free | - |
Key Features
- Industry standard MICROWIRE™ bus protocol
- Dual organization: by word (x16) or byte (x8)
- Single supply voltage: 2.5 V to 5.5 V
- Programming instructions for byte, word, or entire memory
- Self-timed programming cycle with auto-erase: 5 ms
- READY/BUSY signal during programming
- 2 MHz clock rate
- Sequential read operation
- Enhanced ESD/latch-up behavior
- More than 4 million write cycles and more than 200-year data retention
- RoHS-compliant and halogen-free packages (ECOPACK2)
Applications
The M93C66-WMN6T is suitable for a variety of applications due to its robust specifications and features. Key applications include:
- Automotive systems: Compliant with Automotive standard AEC-Q100 Grade 1, making it suitable for use in vehicles.
- Industrial control systems: The device's wide operating temperature range and high reliability make it ideal for industrial environments.
- Consumer electronics: Used in devices requiring non-volatile memory with high endurance and data retention.
- Medical devices: Where reliable and long-lasting memory storage is critical.
Q & A
- What is the memory capacity of the M93C66-WMN6T?
The M93C66-WMN6T has a memory capacity of 4 Kbit, which can be configured as 512 bytes (x8) or 256 words (x16).
- What is the operating supply voltage range for the M93C66-WMN6T?
The operating supply voltage range is from 2.5 V to 5.5 V.
- What is the clock frequency of the M93C66-WMN6T?
The clock frequency is up to 2 MHz.
- How long does a write cycle take for the M93C66-WMN6T?
A write cycle takes 5 ms.
- What is the write cycle endurance of the M93C66-WMN6T?
The device can endure more than 4 million write cycles.
- What is the data retention period for the M93C66-WMN6T?
The data retention period is more than 200 years.
- Is the M93C66-WMN6T RoHS compliant?
- What are the available package types for the M93C66-WMN6T?
- What is the operating temperature range for the M93C66-WMN6T?
- Does the M93C66-WMN6T have enhanced ESD protection?
