M27C256B-15F1

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M27C256B-15F1

IC EPROM 256KBIT PARALLEL 28CDIP

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  • Fr. Teil #M27C256B-15F1
  • Paket CDIP28
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Spezifikationen

Package Tube
ProductStatus Obsolete
MemoryType Non-Volatile
MemoryFormat EPROM
Technology EPROM - UV
MemorySize 256Kb (32K x 8)
MemoryInterface Parallel
AccessTime 150 ns
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 28-CDIP (0.600, 15.24mm) Window

Übersicht

Description

The M27C256B-15F1 is a 32K x 8-bit electrically erasable programmable read-only memory (EPROM) chip manufactured by STMicroelectronics. It is designed for use in various applications, including microcontrollers, telecommunications, and embedded systems. The device has a memory capacity of 256 kilobits and is organized as 32,768 words of 8 bits each.
Key features include:
- Access Time: 150 ns, suitable for high-speed applications.
- Voltage Range: Operates typically at 5V, making it compatible with standard logic levels.
- Erase Capability: The chip can be erased electrically, enabling multiple reprogramming cycles.
- Pin Configuration: It comes in a 28-pin dual in-line package (DIP), facilitating easy integration into circuits.
Applications include firmware storage, data logging, and other scenarios where non-volatile memory is required. The M27C256B-15F1 is favored for its reliability, ease of use, and ability to retain data without power.

Features

The M27C256B-15F1 is a UV erasable programmable read-only memory (EPROM) chip with the following key features:
1. Memory Capacity: 32 kilobits (4 KB) organized as 16K x 8 bits.
2. Access Time: 150 ns (nanoseconds), allowing fast read operations.
3. Package Type: Available in a 28-pin DIP (Dual In-line Package) form factor.
4. Voltage Range: Operates typically at 5V for read, with a programming voltage of around 12.5V.
5. Data Retention: Retains programmed data for up to 10+ years.
6. Erasable: Can be erased using UV light, allowing for reprogramming.
7. Byte-Wise Programming: Supports byte-wise programming for flexibility.
8. Low Power Consumption: Designed to consume minimal power during operation.
9. Compatibility: Suitable for use in various applications including microcontrollers and embedded systems.
This combination of features makes the M27C256B-15F1 a versatile choice for applications requiring non-volatile memory.

Package

The M27C256B-15F1 is typically available in a 32-pin dual in-line package (DIP) format. This package type is designed for easy mounting on circuit boards and is commonly used in electronic applications for programmable read-only memory (PROM).

Pinout

The M27C256B-15F1 is a 256 Kbit EPROM (Erasable Programmable Read-Only Memory) chip. It features a 28-pin Dual In-line Package (DIP). The pin functions are as follows:
- Pins 1-8: Address Inputs (A0-A7) – Used to select memory locations.
- Pins 9-16: Data Inputs/Outputs (D0-D7) – Used for data read/write operations.
- Pin 17: Chip Enable (CE) – Activates the chip for reading or programming.
- Pin 18: Output Enable (OE) – Controls data output; active low.
- Pin 19: Program Enable (PE) – Active low for programming mode.
- Pin 20: VPP – Programming voltage input.
- Pin 21: Ground (VSS) – Connects to system ground.
- Pin 22: VCC – Supply voltage input.
- Pins 23-28: Address Inputs (A8-A15) – Additional address lines for memory addressing.
This EPROM allows for data storage and is erasable via UV light, making it reusable.

Manufacturer

The M27C256B-15F1 is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is a multinational corporation that designs, develops, manufactures, and markets a wide range of semiconductor products used in various applications, including automotive, industrial, personal electronics, and communication systems. The company is known for its strong focus on innovation and sustainability and operates in multiple sectors, providing solutions that enhance connectivity, efficiency, and energy savings. STMicroelectronics is headquartered in Geneva, Switzerland, and has a significant presence in the global semiconductor market.

Application

The M27C256B-15F1 is a 256K (32K x 8) EEPROM, commonly used in various applications such as embedded systems, microcontrollers, consumer electronics, automotive devices, and telecommunications equipment. It is suitable for storing firmware, configuration data, and look-up tables due to its non-volatile memory characteristics, enabling data retention without power. Its fast access time also makes it ideal for applications requiring quick data retrieval.

Equivalent

The M27C256B-15F1 chip is a 256Kb (32KB) EPROM. Equivalent products include:
1. AM27C256-150DC
2. AT27C256-15JC
3. MN27C256-15
4. 27C256 (various manufacturers)
Always verify specific electrical and functional characteristics before replacement.

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