32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories The **M28W320FSB70ZA6** is a flash memory device manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Manufacturer:**
**STMicroelectronics (ST)**
### **Specifications:**
- **Memory Type:** NOR Flash
- **Density:** 32 Mbit (4 MB)
- **Organization:** 4M x 8-bit / 2M x 16-bit
- **Supply Voltage:** 2.7V - 3.6V
- **Access Time:** 70 ns
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** TSOP48 (Thin Small Outline Package, 48 pins)
### **Descriptions:**
- The **M28W320FSB70ZA6** is a **3V, 32 Mbit (4 MB) NOR Flash memory** with a flexible architecture supporting both **x8 and x16 configurations**.
- It features a **uniform block architecture** with **64 KB sectors**, allowing for efficient erase and programming operations.
- The device is designed for high-performance embedded applications requiring **fast read and write operations**.
### **Features:**
- **Single Voltage Operation:** 2.7V - 3.6V
- **Fast Read Access Time:** 70 ns
- **Flexible Sector Architecture:**
- **64 KB sectors (uniform block size)**
- **Low Power Consumption:**
- Active current: 20 mA (typical)
- Standby current: 5 µA (typical)
- **High Reliability:**
- **100,000 erase/program cycles** per sector
- **20-year data retention**
- **Hardware and Software Data Protection:**
- **Block Locking** for secure data storage
- **Write Protection** via control pins
- **Compatibility:**
- **JEDEC-standard** pinout and command set
- **CFI (Common Flash Interface)** compliant
This information is based on STMicroelectronics' official documentation for the **M28W320FSB70ZA6** NOR Flash memory device.
