Overview
The M27C256B-12F6 is a 256 Kbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This component is available in two main types: UV (ultra violet erase) and OTP (one time programmable). It is designed to be highly versatile and suitable for a wide range of applications, particularly in microprocessor-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Size | 256 Kbit (32 kx 8) |
| Type | UV (Ultra Violet Erase) and OTP (One Time Programmable) |
| Package / Case | FDIP-28W (Through Hole, 28-pin DIP) |
| Interface Type | Parallel |
| Operating Supply Voltage | 4.5V to 5.5V DC |
| Access Time | 120 ns |
Key Features
- High Storage Capacity: Offers 256 Kbit of memory, organized as 32 kx 8 bits, making it suitable for storing significant amounts of data.
- Programmability: Available in both UV and OTP versions, allowing for either multiple programming cycles with UV erase or a single programming cycle with OTP.
- Fast Access Time: Features an access time of 120 ns, ensuring quick data retrieval.
- Wide Operating Voltage Range: Operates within a voltage range of 4.5V to 5.5V DC, providing flexibility in various system designs.
- Through Hole Packaging: Packaged in a 28-pin DIP (Dual In-Line Package), which is easy to integrate into existing systems.
Applications
The M27C256B-12F6 is ideally suited for microprocessor-based systems, embedded systems, and other applications where non-volatile memory is required. It can be used in a variety of fields including industrial control systems, automotive electronics, consumer electronics, and medical devices.
Q & A
- What is the memory size of the M27C256B-12F6?
The memory size is 256 Kbit, organized as 32 kx 8 bits.
- What types of EPROM does the M27C256B-12F6 come in?
It comes in both UV (Ultra Violet Erase) and OTP (One Time Programmable) types.
- What is the package type of the M27C256B-12F6?
The package type is FDIP-28W, a 28-pin Through Hole DIP.
- What is the operating supply voltage range for the M27C256B-12F6?
The operating supply voltage range is 4.5V to 5.5V DC.
- What is the access time of the M27C256B-12F6?
The access time is 120 ns.
- Is the M27C256B-12F6 still in production?
No, this product is no longer manufactured.
- What are the typical applications of the M27C256B-12F6?
It is typically used in microprocessor-based systems, embedded systems, industrial control systems, automotive electronics, consumer electronics, and medical devices.
- How does the UV version of the M27C256B-12F6 differ from the OTP version?
The UV version can be erased and reprogrammed multiple times using ultra violet light, while the OTP version can only be programmed once.
- What is the significance of the '12F6' in the part number M27C256B-12F6?
The '12F6' typically indicates the specific configuration, such as speed grade (access time) and packaging, of the component.
- Where can I find detailed specifications for the M27C256B-12F6?
Detailed specifications can be found in the datasheet available from sources like Mouser, TME, and the official STMicroelectronics website.
