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HY29F040AC-90 from HY

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HY29F040AC-90

Manufacturer: HY, HYUNDAI, hynix

512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory
Partnumber Manufacturer Quantity Availability
HY29F040AC-90,HY29F040AC90 HY, HYUNDAI, hynix 10310 In Stock

Description and Introduction

512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory The HY29F040AC-90 is a 4Mbit (512K x 8) CMOS flash memory device manufactured by Hyundai (now SK Hynix). Here are its key specifications:

- **Organization**: 512K x 8 bits  
- **Technology**: CMOS  
- **Supply Voltage**: 5V ± 10%  
- **Access Time**: 90 ns  
- **Operating Current**: 30 mA (typical)  
- **Standby Current**: 100 µA (typical)  
- **Sector Architecture**:  
  - Eight 64Kbyte sectors  
  - Sector erase capability  
- **Endurance**: 100,000 write/erase cycles per sector  
- **Data Retention**: 10 years minimum  
- **Package**: 32-pin PLCC or TSOP  
- **Interface**: Parallel  
- **Operating Temperature**: 0°C to 70°C  

This device supports standard microprocessor read and write timings and includes features like automatic programming and erase algorithms.

Application Scenarios & Design Considerations

512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory

Alternative Part Number

  • AM29F040B-90PC --: Pin-compatible 4 Mbit 5V flash with 90 ns access time, widely used as a direct substitute for the HY29F040 series.
  • SST39SF040-70-4C-PHE --: 4 Mbit 5V parallel flash in the same DIP package with faster 70 ns access, a common drop-in replacement.
  • M29F040B-90K6 --: Equivalent 4 Mbit 5V flash memory with 90 ns speed grade and compatible pinout for legacy designs.

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