MX29F040CQI-70G
| Parameters | |
|---|---|
| Series | MX29F |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 32-LCC (J-Lead) |
| Mfr | Macronix |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Technology | FLASH - NOR |
| Supplier Device Package | 32-PLCC (11.43x14.05) |
| Access Time | 70 ns |
| Memory Size | 4Mbit |
| Memory Type | Non-Volatile |
| Voltage - Supply | 4.5V ~ 5.5V |
| Memory Organization | 512K x 8 |
| Memory Format | FLASH |
| Memory Interface | Parallel |
| Write Cycle Time - Word, Page | 70ns |
| Package | Tray |
| Product Status | Not For New Designs |
| Base Product Number | MX29F040 |
| REACH Status | REACH Unaffected |
| Standard Package | 128 |
| ECCN | EAR99 |
| HTSUS | 8542.32.0071 |
MX29F040CQI-70G NOR FLASH Memory IC 4Mbit Parallel 70 ns
The MX29F040CQI-70G is a 4-megabit (512K x 8-bit) CMOS parallel NOR Flash memory manufactured by Macronix International, supplied in a 32-PLCC package optimized for surface-mount assembly. This memory is organized as 524,288 bytes of 8 bits each and operates from a single 5.0V power supply with a tolerance of ±10%, supporting read, erase, and program functions without requiring an external high-voltage source. All control, address, and data signals conform to JEDEC standard pinouts for x8 memories, ensuring broad compatibility with microprocessor and microcontroller bus interfaces.
The MX29F040CQI-70G serves as a robust code-storage and data-retention solution across a wide range of embedded systems that require fast random access and in-system reprogrammability. Typical deployment scenarios include BIOS and firmware storage for industrial computing platforms, boot-code memory for telecommunications equipment, and program storage for microcontroller-based control systems in factory automation and process instrumentation. It is also widely adopted in networking infrastructure such as routers and switches, set-top boxes, point-of-sale terminals, and automotive electronic control units where 5V logic compatibility and wide-temperature operation are essential.
Alternative NOR Flash IC Parts
● AM29F040B-70JF (AMD/Spansion): A 4-megabit 512K x 8 CMOS 5.0-volt-only uniform-sector Flash memory offering identical 70-ns access time and PLCC-32 packaging, with embedded erase and program algorithms compatible with JEDEC standards.
● SST39SF040-70-4I-NHE (Microchip/SST): A 4-megabit 512K x 8 Multi-Purpose Flash built on proprietary SuperFlash technology, providing 70-ns read access, 4-kilobyte uniform sectors, and significantly faster 18-ms sector-erase times in a PLCC-32 package.
● M29F040B-70K1 (STMicroelectronics): A 4-megabit 512K x 8 uniform-block single-supply Flash memory with 70-ns access time and PLCC-32 packaging, featuring a program/erase controller with Data Polling and Toggle Bit status detection.
