Product Overview
The KH25L4005AMC-15G is a 4Mbit serial NOR Flash memory from Macronix’s KHIC product line. It features standard SPI interface with single I/O operation, organized as 4M x 1 bit. The device comes in an 8-SOP (150mil) package, operates from 2.7V to 3.6V supply voltage, and supports industrial temperature range of -40°C to +85°C. With 66MHz maximum clock frequency, this cost-effective serial flash provides reliable non-volatile storage for embedded applications requiring moderate density.
Key Specifications
| Memory Type | FLASH – NOR (Non-Volatile) |
| Memory Size | 4Mbit (512K x 8 / 4M x 1) |
| Interface | SPI (Single I/O) |
| Clock Frequency | 66 MHz (max) |
| Voltage Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 8-SOP (150mil) |
| Page Size | 256 bytes |
| Endurance | 100,000 Write/Erase Cycles |
| Data Retention | 20 years |
Features
- Standard Serial Peripheral Interface (SPI) compatible
- Single I/O operation: 4M x 1 bit structure
- Fast read clock frequency up to 66MHz
- Uniform 4KB sectors for flexible erase
- Uniform 64KB blocks
- Page program: 256 bytes per page
- Hardware write protection (WP# pin)
- Software block protection (BP0-BP2)
- Deep power-down mode for low standby current
- Hardware HOLD# for pausing serial communication
- Low power CMOS technology
- Latch-up protection to 100mA
- RoHS compliant and halogen-free
Applications
- Microcontroller code storage
- Consumer electronics
- Industrial control systems
- Networking equipment
- Automotive electronics
- Medical devices
- Configuration memory for FPGAs/CPLDs
- Data logging and parameter storage