| Part Number | IS25LQ040B-JKLE | IS25LQ040B-JVLE | 
|---|---|---|
| Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | Flash | Flash | 
| Technology | FLASH - NOR | FLASH - NOR | 
| Memory Size | 4Mb (512K x 8) | 4Mb (512K x 8) | 
| Memory Interface | SPI - Quad I/O | SPI - Quad I/O | 
| Clock Frequency | 104 MHz | 104 MHz | 
| Write Cycle Time - Word, Page | 800µs | 800µs | 
| Access Time | - | 8 ns | 
| Voltage - Supply | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-WDFN Exposed Pad | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-WSON (6x5) | 8-VVSOP |