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M29F040-90N1R from ST,ST Microelectronics

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M29F040-90N1R

Manufacturer: ST

4 Mbit 512Kb x8, Uniform Block Single Supply Flash Memory

Partnumber Manufacturer Quantity Availability
M29F040-90N1R,M29F04090N1R ST 9520 In Stock

Description and Introduction

4 Mbit 512Kb x8, Uniform Block Single Supply Flash Memory The **M29F040-90N1R** is a 4 Mbit (512Kb x8) Flash memory manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Memory Size:** 4 Mbit (512Kb x8)  
- **Technology:** NOR Flash  
- **Supply Voltage:** 5V ± 10%  
- **Access Time:** 90 ns  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** PLCC-32 (Plastic Leaded Chip Carrier)  
- **Interface:** Parallel  
- **Sector Architecture:** Uniform 64Kb sectors (8 sectors total)  
- **Data Retention:** 20 years  
- **Endurance:** 100,000 write/erase cycles per sector  

### **Features:**  
- **Single Voltage Operation:** 5V for read, program, and erase  
- **Low Power Consumption:**  
  - Active Read Current: 25 mA (typical)  
  - Standby Current: 100 µA (typical)  
- **Command-Based Operation:** Compatible with JEDEC standards  
- **Hardware and Software Data Protection:**  
  - Block protection via programming lockout  
  - Embedded algorithms for erase and program operations  
- **Automatic Program and Erase:**  
  - Byte programming (10 µs typical)  
  - Sector erase (1s typical)  
  - Chip erase (10s typical)  
- **Status Register:** Provides error detection and operation status  

The **M29F040-90N1R** is designed for embedded systems requiring reliable non-volatile storage with fast access times.

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