Product Overview
The MX29GL256FHT2I-90 is a 256Mbit parallel NOR Flash memory from Macronix, part of the GL series featuring uniform sector architecture. It supports both x8 and x16 operation via BYTE# pin, with 90ns access time at 3.0V-3.6V supply. The device comes in a 56-TSOP package, operates over industrial temperature range, and features 256 uniform 128KB sectors. Advanced features include page read buffer, write buffer program, advanced sector protection (Solid Protection and Password Protection), and Vcc I/O for flexible I/O voltage.
Key Specifications
| Memory Type | FLASH – NOR (Non-Volatile) |
| Memory Size | 256Mbit (32M x 8 / 16M x 16) |
| Interface | Parallel (Asynchronous) |
| Access Time | 90 ns |
| Voltage Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 56-TSOP |
| Architecture | Uniform sectors: 256 x 128KB |
| Page Read Buffer | 16 bytes / 8 words |
| Endurance | 100,000 cycles |
Features
- 256Mbit density with uniform 128KB sector architecture
- Byte/Word mode switchable via BYTE# pin
- Fast access time: 90ns at 3.0V-3.6V
- Page read time: 25ns (synchronous burst read)
- Fast program time: 10us/word typical
- Fast erase time: 0.5s/sector typical
- 16-byte/8-word page read buffer
- 64-byte/32-word write buffer
- Advanced sector protection: Solid + Password
- Extra 128-word security sector
- Vcc I/O support (independent I/O voltage)
- Hardware write protection
- Software data protection
- JEDEC standard compatible
- Deep power-down mode
- RoHS compliant
Applications
- High-density code storage for embedded systems
- Industrial control and automation
- Automotive electronics
- Networking and telecom equipment
- Set-top boxes and digital TVs
- Medical devices
- Aerospace and defense systems
- Data storage and server systems