STMicroelectronics M27C512-90B1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 8.54 | Dhs. 8.54 |
| 15+ | Dhs. 8.27 | Dhs. 124.05 |
| 25+ | Dhs. 8.09 | Dhs. 202.25 |
| 50+ | Dhs. 7.64 | Dhs. 382.00 |
| 100+ | Dhs. 6.74 | Dhs. 674.00 |
| N+ | Dhs. 1.35 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Tube | |
| Memory Type | Non-Volatile |
| Memory Format | EPROM |
| Technology | EPROM - OTP |
| Memory Size | 512Kbit |
| Memory Organization | 64K x 8 |
| Memory Interface | Parallel |
| Clock Frequency | - |
| Write Cycle Time - Word, Page | - |
| Access Time | 90 ns |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP (0.600", 15.24mm) |
| Supplier Device Package | 28-PDIP |
| ROHS |  |
Product Overview
The M27C512-90B1 from STMicroelectronics is a high-reliability 512Kbit EPROM (Erasable Programmable Read-Only Memory) designed for embedded systems requiring non-volatile program storage. With a 90ns access time and industry-standard 28-DIP through-hole package, this OTP (One-Time Programmable) EPROM delivers dependable performance across industrial temperature ranges (0°C to 70°C).
Key Features & Applications
- Memory Architecture: 64K x 8 organization with parallel interface for straightforward integration
- Fast Access: 90ns access time ensures responsive system performance
- Industrial Grade: 4.5V to 5.5V supply voltage with 0°C to 70°C operating range
- Legacy System Support: Perfect for firmware storage, BIOS replacement, and vintage computing restoration
- Through-Hole Mounting: 28-DIP package ideal for prototyping and legacy board compatibility
Technical Specifications Summary
This EPROM features a 512Kbit memory capacity organized as 64K x 8, accessible via a parallel interface. The device operates on a single 5V supply (4.5V to 5.5V range) and is housed in a standard 28-pin dual in-line package (0.600" width, 15.24mm). As an OTP EPROM, it provides permanent, reliable storage for firmware and configuration data in industrial control systems, automotive electronics, and embedded applications.
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M27C512-90B1.pdf