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Microchip 256kB Parallel EEPROM 150ns 28-Pin PDIP Serial-2 Wire AT28C256-15PU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 4.8mm |
| Length | 37.34mm |
| Model | AT28C256-15PU |
| Width | 13.97mm |
| Mount Type | Through Hole |
| Series | AT28C256 |
| Maximum Operating Temperature | 85°C |
| Package Type | PDIP |
| Minimum Operating Temperature | -40°C |
| Memory size | 256kB |
| Interface Type | Serial-2 Wire |
| Pin Count | 28 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 4.5V |
| Supply Current | 50mA |
| Maximum Clock Frequency | 5MHz |
| Organisation | 32K x 8 Bit |
| Number of Bits per Word | 8 |
| Maximum Random Access Time | 150ns |
| Number of Words | 32768 |
Key Features
- Electrically erasable programmable read-only memory for reliable, non-volatile storage applications.
- 28-pin PDIP for convenient through-hole mounting in circuit boards.
- Supports byte-level write access with individual addressing capability.
- Operating voltage from 4.5V to 5.5V for compatibility with industrial and commercial electronic systems.
- Maximum clock frequency of 5MHz for fast access and data retention up to 10 years.
- 40°C to 85°C operating temperature for robust operation in harsh environments.
- Organisation of 32K x 8 bits enabling versatile data structuring.
- Ideal for embedded and industrial memory applications in automation, instrumentation, and electronics development.
Product Description
Microchip AT28C256-15PU Parallel EEPROM is a high-performance, non-volatile memory device offering 256kB storage capacity. With a 150ns random access time and a Serial-2 Wire interface, it is designed for industrial, laboratory, and embedded electronics applications requiring reliable program and data storage. The 28-pin PDIP package allows easy integration into existing circuit boards for manufacturing processes, development labs, and commercial automation systems.
Electrically erasable PROM for byte-level data storage and individual addressing. High-speed access with 150ns maximum random access time, supporting fast data transfer and system responsiveness. Compatible with 32K x 8 bit organisation for flexible data handling structures.
Operates at supply voltages from 4.5V to 5.5V, suitable for a wide range of industrial electronics. Through hole mounting and standard 28-pin PDIP form factor enhances board-level integration and assembly. Supports up to 5MHz clock frequency and retains data for up to 10 years, offering long-term reliability in critical applications.
Operates reliably across a wide temperature range of -40°C to +85°C for demanding environments. Ideal for automation, instrumentation, embedded controller memory, and general industrial use.
Microchip AT28C256-15PU is the preferred choice for designers and engineers needing robust EEPROM memory solutions for harsh and dynamic environments. Its combination of high capacity, byte addressability, and endurance make it suitable for manufacturing equipment, process control, and laboratory instruments.
Browse more industrial memory chips and Microchip components in EnvMart’s EEPROM category for solutions to your automation, test, and development requirements.
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Frequently Asked Questions
This model has a storage capacity of 256kB, organized as 32K x 8 bits.
The maximum random access time for the AT28C256-15PU is 150ns, allowing for fast data access.
It operates at supply voltages ranging from 4.5V to 5.5V, making it compatible with various industrial electronic systems.
The AT28C256-15PU supports a maximum clock frequency of 5MHz for fast data transfer.
This model comes in a 28-pin PDIP package, suitable for through-hole mounting on circuit boards.
It operates reliably within a temperature range of -40°C to +85°C, suitable for harsh environments.
This EEPROM utilizes a Serial-2 Wire interface for communication.
The supply current for the AT28C256-15PU is 50mA.
This model supports 8 bits per word, allowing for byte-level write access.
It is ideal for embedded and industrial memory applications in automation, instrumentation, and electronics development.
The height of this EEPROM is 4.8mm.
The length is 37.34mm and the width is 13.97mm, which are important for board design and layout.
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