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HY29F400BT-90 from HY

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HY29F400BT-90

Manufacturer: HY, HYUNDAI

4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
Partnumber Manufacturer Quantity Availability
HY29F400BT-90,HY29F400BT90 HY, HYUNDAI 498 In Stock

Description and Introduction

4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory The HY29F400BT-90 is a flash memory chip manufactured by Hyundai. Here are the key specifications:

1. **Memory Type**: NOR Flash  
2. **Density**: 4 Mbit (512K x 8 or 256K x 16)  
3. **Supply Voltage**: 5V ± 10%  
4. **Access Time**: 90 ns  
5. **Operating Temperature**: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
6. **Package**: 48-pin TSOP (Thin Small Outline Package)  
7. **Interface**: Parallel (x8 or x16 data bus)  
8. **Sector Architecture**: Uniform 64K-byte sectors  
9. **Endurance**: 100,000 program/erase cycles per sector  
10. **Data Retention**: 10 years minimum  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory

Alternative Part Number

  • AM29F400BT-90SC --: Same 4Mbit 5V flash memory with identical 90ns speed grade and compatible pinout, widely available as a direct functional substitute.
  • MX29F400BTC-90G --: Pin-compatible 4Mbit CMOS flash with matching 90ns access time and same TSOP package, a common drop-in replacement for HY29F400BT.
  • SST39SF040-70-4C-PHE --: 4Mbit 5V flash with similar organization and pinout; slightly faster 70ns grade, usable where timing margin allows.
  • AM29F400BT-90PC --: Pin-compatible 4 Mbit 5V flash in the same x8/x16 boot-sector architecture with 90 ns access time; widely available and a direct functional replacement.
  • MX29F400BTC-90 --: 4 Mbit 5V parallel NOR flash with compatible command set and pinout, 90 ns speed grade, suitable drop-in substitute for legacy designs.

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