Product Overview
The KH25L6433FM2I-08G is a 64Mbit multi-I/O SPI NOR Flash memory from Macronix’s KHIC series. It supports Single I/O, Dual I/O, and Quad I/O (MXSMIO™) interfaces with clock frequencies up to 133 MHz. The device features 8-SOP (200mil) packaging, operates from 2.65V to 3.6V, and is rated for industrial temperature range of -40°C to +85°C. This serial flash offers high performance quad I/O operation with advanced security features including block lock protection and secured OTP memory.
Key Specifications
| Memory Type | FLASH – NOR (Non-Volatile) |
| Memory Size | 64Mbit (8M x 8) |
| Interface | SPI – Quad I/O (QPI) |
| Clock Frequency | 133 MHz (max) |
| Voltage Supply | 2.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 8-SOP (200mil) |
| Organization | 8M x 8 / 4M x 16 / 2M x 32 |
| Erase/Program Cycles | 100,000 typical |
| Data Retention | 20 years |
Features
- MXSMIO™ technology: Single I/O, Dual I/O, Quad I/O support
- Fast read up to 133MHz with Quad I/O mode
- QPI (Quad Peripheral Interface) mode available
- 2048 sectors of 4KB each for flexible erase
- Program/Erase Suspend and Resume operation
- Advanced sector protection (block lock, password protection)
- 8K-bit secured OTP (factory + customer programmable)
- Hardware HOLD# / RESET# and WP# pins
- Deep power-down mode for low standby current
- Software reset command support
- SFDP (Serial Flash Discoverable Parameters) compliant
- Unique ID feature
- RoHS compliant and halogen-free
Applications
- Code storage for embedded systems
- Industrial control and automation
- Automotive electronics
- Consumer electronics
- Networking and communication equipment
- Medical devices
- IoT devices and wearables
- Aerospace and defense systems