512 Kbit (64Kb x 8) EPROM, 5V, 80ns The **M27C512-80XF1** is an EPROM (Erasable Programmable Read-Only Memory) manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on factual data:
### **Specifications:**
- **Memory Size:** 512 Kbit (64K x 8 bits)
- **Access Time:** 80 ns
- **Supply Voltage (VCC):** 5V ± 10%
- **Operating Temperature Range:**
- Commercial (0°C to +70°C)
- Industrial (-40°C to +85°C)
- **Package:** PDIP-28 (Plastic Dual In-line Package)
- **Technology:** UV-erasable EPROM
- **Programming Voltage (VPP):** 12.5V
- **Standby Current:** 100 µA (max)
- **Active Current:** 30 mA (max)
### **Descriptions:**
- The **M27C512-80XF1** is a high-performance, low-power EPROM with a fast access time of 80 ns.
- It is designed for applications requiring non-volatile memory storage, such as firmware storage in embedded systems.
- The memory can be erased via exposure to ultraviolet (UV) light and reprogrammed electrically.
### **Features:**
- **Fast Access Time:** 80 ns for high-speed applications.
- **Low Power Consumption:** Standby mode reduces power usage.
- **Reliable Data Retention:** 10 years minimum retention period.
- **UV-Erasable:** Allows reprogramming after UV exposure.
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.
- **JEDEC Standard Pinout:** Ensures easy replacement with similar EPROMs.
This information is sourced from the official STMicroelectronics datasheet for the **M27C512-80XF1**.
