Overview
The M93S66-WMN6TP is an Electrically Erasable PROgrammable Memory (EEPROM) produced by STMicroelectronics. This device is part of the M93S46, M93S56, and M93S66 series, which are organized as 64, 128, or 256 words (each word being 16 bits) and accessed through the MICROWIRE bus serial interface. The M93S66-WMN6TP specifically offers 4 Kbit of EEPROM memory. It operates within a supply voltage range of 2.5 V to 5.5 V and can function over an ambient temperature range of -40 °C to +85 °C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 4 Kbit (256 words of 16 bits each) |
| Serial Interface | MICROWIRE bus |
| Supply Voltage | 2.5 V to 5.5 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Write Cycle Time | Byte write within 5 ms, Page write within 5 ms |
| Write Cycles | More than 4 million |
| Data Retention | More than 200 years |
| High-Speed Clock | Up to 2 MHz |
| Packages | PDIP8 ECOPACK, TSSOP8 ECOPACK, SO8 ECOPACK |
Key Features
- Compatible with MICROWIRE bus serial interface
- Memory array organized by word (16 bits), with pages of 4 words each
- Byte and page write capabilities within 5 ms
- Ready/busy signal during programming
- User-defined write protected area
- High-speed clock up to 2 MHz
- Single supply voltage: 2.5 V to 5.5 V
- Enhanced ESD protection
- More than 4 million write cycles and more than 200-year data retention
Applications
The M93S66-WMN6TP is suitable for various applications requiring non-volatile memory, such as:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Any system requiring serial access to non-volatile memory
Q & A
- What is the memory capacity of the M93S66-WMN6TP?
The M93S66-WMN6TP has a memory capacity of 4 Kbit, organized as 256 words of 16 bits each.
- What serial interface does the M93S66-WMN6TP use?
The M93S66-WMN6TP uses the MICROWIRE bus serial interface.
- What is the operating temperature range of the M93S66-WMN6TP?
The device operates over an ambient temperature range of -40 °C to +85 °C.
- How long does a write cycle take for the M93S66-WMN6TP?
The M93S66-WMN6TP can perform byte writes and page writes within 5 ms.
- What is the data retention period of the M93S66-WMN6TP?
The device has a data retention period of more than 200 years.
- How many write cycles can the M93S66-WMN6TP endure?
The device can endure more than 4 million write cycles.
- What are the available packages for the M93S66-WMN6TP?
The device is available in PDIP8 ECOPACK, TSSOP8 ECOPACK, and SO8 ECOPACK packages.
- Does the M93S66-WMN6TP have any protection features?
Yes, the device has user-defined write protected areas and enhanced ESD protection.
- What is the maximum clock speed for the M93S66-WMN6TP?
The device supports a high-speed clock up to 2 MHz.
- How does the M93S66-WMN6TP handle power-up and power-down conditions?
The device includes a power-on-reset (POR) circuit to prevent inadvertent write operations during power-up. During power-down, the device must be in Standby Power mode with no internal write cycle in progress.
