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MBM29F400BC-90 from FUJ

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MBM29F400BC-90

Manufacturer: FUJ, FUJITSU

FLASH MEMORY 4M (512K x 8/256K x 16) BIT

Partnumber Manufacturer Quantity Availability
MBM29F400BC-90,MBM29F400BC90 FUJ, FUJITSU 5927 In Stock

Description and Introduction

FLASH MEMORY 4M (512K x 8/256K x 16) BIT The MBM29F400BC-90 is a flash memory chip manufactured by **FUJITSU**. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Part Number:** MBM29F400BC-90  
- **Manufacturer:** FUJITSU  
- **Memory Type:** Flash  
- **Density:** 4 Mbit (512K x 8-bit or 256K x 16-bit)  
- **Access Time:** 90 ns  
- **Supply Voltage:** 5V ± 10%  
- **Organization:**  
  - **Byte Mode:** 512K × 8  
  - **Word Mode:** 256K × 16  
- **Package:** 48-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  

### **Descriptions:**
- The MBM29F400BC-90 is a **5V-only** flash memory device with a uniform block architecture.  
- It supports **both 8-bit and 16-bit data bus configurations**, selectable via a dedicated **BYTE# pin**.  
- Designed for **high-performance applications**, it features fast read access times and low power consumption.  

### **Features:**
- **Single 5V Power Supply** for read, program, and erase operations.  
- **Sector Erase Architecture:**  
  - **Eight 4K-word (8K-byte) sectors**  
  - **One 8K-word (16K-byte) sector**  
  - **Seven 32K-word (64K-byte) sectors**  
- **Fast Sector Erase Time:** 1 second (typical)  
- **Fast Byte/Word Programming Time:** 10 µs (typical)  
- **Command Register Architecture** for simplified programming and erasing.  
- **Low Power Consumption:**  
  - **Active Current:** 30 mA (typical)  
  - **Standby Current:** 1 µA (typical)  
- **Hardware Data Protection:**  
  - **VCC detection** for write protection  
  - **Write inhibit** on power-up  
- **Compatible with JEDEC Standards** for easy integration.  

This information is strictly based on the manufacturer's datasheet for the MBM29F400BC-90 flash memory chip. No additional guidance or suggestions are provided.

Application Scenarios & Design Considerations

FLASH MEMORY 4M (512K x 8/256K x 16) BIT

Alternative Part Number

  • AM29F400BB-90PC --: Same 4 Mbit flash density and 90 ns speed grade, pin-compatible command set; AMD originated the Am29F series that Fujitsu second-sourced, so timing and interface match closely.
  • SST39SF040-70-4C-PHE --: 4 Mbit 5V parallel NOR flash in a 32-pin PLCC/TSOP package with compatible pinout and faster 70 ns access, suitable as a drop-in replacement in most legacy designs.
  • MX29F400BTC-90 --: 4 Mbit 5V NOR flash with 90 ns access time and JEDEC-standard command interface, widely used as a second source for Am29F400-class devices.
  • MX29F400C-90 --: 4 Mbit 5V CMOS flash with 90 ns access time and industry-standard pinout, suitable as a second-source substitute.

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