32 MBIT (2MB X16, BOOT BLOCK) 3V SUPPLY FLASH MEMORY The **M28W320CT70ZB6T** is a flash memory device manufactured by **STMicroelectronics (ST)**. Below are the factual details about its specifications, descriptions, and features:
### **Specifications:**
- **Memory Type:** NOR Flash
- **Density:** 32 Mbit (4 MB)
- **Organization:** 4M x 8-bit or 2M x 16-bit
- **Supply Voltage:** 2.7V to 3.6V
- **Access Time:** 70 ns
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** TSOP48 (Thin Small Outline Package, 48 pins)
- **Interface:** Parallel
### **Descriptions:**
- The **M28W320CT70ZB6T** is a high-performance **NOR Flash memory** designed for embedded applications requiring fast read operations and reliable data storage.
- It supports both **8-bit and 16-bit** data bus configurations.
- It is suitable for **code storage and execution in place (XIP)** due to its fast access time.
### **Features:**
- **Fast Read Access Time:** 70 ns
- **Low Power Consumption:**
- Active Read Current: 20 mA (typical)
- Standby Current: 20 µA (typical)
- **Sector Architecture:**
- Uniform 64 KB sectors for flexible erase operations
- Additional smaller sectors (8 KB or 16 KB) for boot code storage
- **Reliability:**
- **100,000 erase/program cycles** per sector
- **20-year data retention**
- **Software & Hardware Protection:**
- Block locking for secure data
- Password protection for additional security
- **Compatibility:**
- JEDEC-standard pinout
- Supports CFI (Common Flash Interface) for easy system integration
This information is based on STMicroelectronics' official documentation for the **M28W320CT70ZB6T** NOR Flash memory device.
