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HY29F400ABT-70 from HY

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HY29F400ABT-70

Manufacturer: HY, Hynix

4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
Partnumber Manufacturer Quantity Availability
HY29F400ABT-70,HY29F400ABT70 HY, Hynix 1834 In Stock

Description and Introduction

4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory The HY29F400ABT-70 is a 4Mbit (512K x 8-bit or 256K x 16-bit) Flash memory device manufactured by Hyundai (HY). Key specifications include:  

- **Organization**:  
  - 512K x 8-bit or 256K x 16-bit  
- **Supply Voltage**:  
  - 5V ± 10%  
- **Access Time**:  
  - 70ns  
- **Operating Current**:  
  - 30mA (typical active read)  
  - 50mA (typical program/erase)  
- **Standby Current**:  
  - 100µA (max)  
- **Sector Architecture**:  
  - Eight 8KWord (16-bit) or 16KByte (8-bit) sectors  
  - One 16KWord (32KByte) sector  
  - One 224KWord (448KByte) sector  
- **Endurance**:  
  - 100,000 program/erase cycles (min)  
- **Data Retention**:  
  - 10 years (min)  
- **Package**:  
  - 48-pin TSOP (Thin Small Outline Package)  
- **Interface**:  
  - Compatible with JEDEC standards  

The device supports both 8-bit and 16-bit data bus configurations and features a command-driven interface for programming and erasure.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AM29F400BT-70SC --: Same 4 Mbit flash density, 70 ns speed, and TSOP package; AMD is the original source of this flash family and is pin-compatible.
  • MX29F400BTC-70 --: Pin-compatible 4 Mbit CMOS flash with 70 ns access time and TSOP package, widely used as a drop-in replacement for HY29F400 series.
  • SST39SF040-70-4C-WHE --: 4 Mbit flash with 70 ns speed in TSOP package; similar interface and timing, suitable alternative when exact pinout match is verified.
  • MX29F400TTC-70 --: Equivalent 4 Mbit 5V parallel NOR flash in TSOP-48 with 70 ns access time, commonly used to replace Hynix parts.

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