Microchip Technology AT27C040-70JI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 9.63 | Dhs. 9.63 |
| 15+ | Dhs. 9.34 | Dhs. 140.10 |
| 25+ | Dhs. 9.14 | Dhs. 228.50 |
| 50+ | Dhs. 8.63 | Dhs. 431.50 |
| 100+ | Dhs. 7.61 | Dhs. 761.00 |
| N+ | Dhs. 1.52 | Price Inquiry |
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AT27C040-70JI - High-Reliability 4Mbit EPROM Memory IC
The AT27C040-70JI from Microchip Technology is a premium 4-megabit electrically programmable read-only memory (EPROM) designed for mission-critical applications in aerospace, automotive, industrial control systems, medical devices, and telecommunications infrastructure. This one-time programmable (OTP) non-volatile memory solution delivers exceptional reliability and data retention for embedded systems requiring permanent code storage.
Key Features & Benefits
- High-Density Storage: 4Mbit capacity organized as 512K x 8, providing ample space for firmware, boot code, and configuration data
- Fast Access Performance: 70 nanosecond access time ensures rapid data retrieval for time-sensitive applications
- Wide Operating Range: -40°C to 85°C (TC) temperature tolerance makes it ideal for harsh industrial and automotive environments
- Reliable Power Supply: 4.5V to 5.5V operating voltage with stable performance across the voltage range
- Parallel Interface: Standard parallel memory interface simplifies integration with microcontrollers and processors
- Surface Mount Design: 32-PLCC (13.97x11.43mm) J-lead package optimized for automated assembly and space-constrained PCB layouts
Applications
Perfect for embedded systems requiring permanent program storage, including industrial controllers, automotive ECUs, medical equipment firmware, telecommunications base stations, and aerospace avionics. The OTP technology ensures code security and prevents unauthorized modifications.
Why Choose HQICKEY?
As a trusted distributor of high-reliability semiconductor components, HQICKEY provides authentic Microchip Technology products with full traceability, technical support, and fast global shipping. Our quality assurance processes ensure you receive genuine components that meet or exceed manufacturer specifications.
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| Memory Type | Non-Volatile |
| Memory Format | EPROM |
| Technology | EPROM - OTP |
| Memory Size | 4Mbit |
| Memory Organization | 512K x 8 |
| Memory Interface | Parallel |
| Clock Frequency | - |
| Write Cycle Time - Word, Page | - |
| Access Time | 70 ns |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 32-LCC (J-Lead) |
| Supplier Device Package | 32-PLCC (13.97x11.43) |

AT27C040-70JI.pdf