Overview
The M27C256B-12F1 is a high-performance Erasable Programmable Read-Only Memory (EPROM) manufactured by STMicroelectronics. This component is designed for efficient data storage and retrieval in various applications. It features a 256 kB memory size, organized as 32 k x 8 bits, and operates with a parallel interface. The EPROM is housed in a 28-pin FDIP (Flat Dual In-line Package) and is suitable for through-hole mounting. It is known for its reliability and durability, making it a versatile solution for industrial and commercial use.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | M27C256B-12F1 |
| Package/Case | FDIP-28 |
| Mounting Style | Through Hole |
| Memory Size | 256 kB |
| Memory Organization | 32 k x 8 |
| Interface Type | Parallel |
| Supply Voltage | 5 V (4.75 V to 5.25 V) |
| Programming Voltage | 12.75 V |
| Current @ Pmpp | 50 mA |
| Access Time | 120 ns |
| Output Enable Access Time | 60 ns |
| Operating Temperature Range | -40°C to +70°C |
| RoHS Compliance | Yes |
Key Features
- High Capacity: 256 kB of memory, organized as 32 k x 8 bits.
- Parallel Interface: Supports fast data transfer and retrieval.
- UV Erasable: Can be erased using ultraviolet light, allowing for reprogramming.
- Reliable and Durable: Designed for long-term reliability in various environmental conditions.
- Through-Hole Mounting: Compatible with through-hole PCB assembly.
- Wide Operating Temperature Range: Operates from -40°C to +70°C.
Applications
The M27C256B-12F1 EPROM is suitable for a wide range of applications, including:
- Industrial Control Systems: For storing firmware or configuration data in industrial control systems.
- Embedded Systems: Used in embedded systems requiring non-volatile memory for program storage.
- Aerospace and Defense: Due to its reliability and durability, it is often used in aerospace and defense applications.
- Automotive Systems: For storing critical data in automotive systems where reliability is paramount.
Q & A
- What is the memory size of the M27C256B-12F1 EPROM?
The M27C256B-12F1 has a memory size of 256 kB, organized as 32 k x 8 bits. - What is the package type of the M27C256B-12F1?
The M27C256B-12F1 is housed in a 28-pin FDIP (Flat Dual In-line Package). - What is the operating supply voltage range for the M27C256B-12F1?
The operating supply voltage range is 4.75 V to 5.25 V. - What is the access time of the M27C256B-12F1?
The access time is 120 ns. - Is the M27C256B-12F1 RoHS compliant?
Yes, the M27C256B-12F1 is RoHS compliant. - What is the programming voltage for the M27C256B-12F1?
The programming voltage is 12.75 V. - What is the operating temperature range for the M27C256B-12F1?
The operating temperature range is -40°C to +70°C. - Can the M27C256B-12F1 be erased and reprogrammed?
Yes, the M27C256B-12F1 can be erased using ultraviolet light and reprogrammed. - What type of interface does the M27C256B-12F1 use?
The M27C256B-12F1 uses a parallel interface. - What is the current consumption at maximum programming power for the M27C256B-12F1?
The current consumption at maximum programming power is 50 mA.
