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Microchip 256 kB EPROM 28-Pin PDIP Memory Chip AT27C256R-45PU

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Microchip 256 kB EPROM 28-Pin PDIP Memory Chip AT27C256R-45PU

Name: Microchip 256 kB EPROM 28-Pin PDIP Memory Chip AT27C256R-45PU
Brand: Microchip
SKU: 200045
Price: 5.23 USD
Availability: InStock

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Category Memory Chips Brand Microchip Condition New

Specifications

Country of Origin	India
Brand	Microchip
Height	4.8mm
Length	37.3mm
Model	AT27C256R-45PU
Width	13.9mm
Mount Type	Through Hole
Maximum Operating Temperature	85°C
Package Type	PDIP
Minimum Operating Temperature	-40°C
Memory size	256kB
Interface Type	Parallel
Pin Count	28
Maximum Supply Voltage	5.5V
Minimum Supply Voltage	4.5V
Supply Current	100μA
Organisation	32K x 8 Bit
Number of Bits per Word	8
Maximum Random Access Time	45ns
Number of Words	32k
Reprogramming Technique	OTP
Microchip 256kbit EPROM Chip 28-Pin PDIPBrand	Microchip

Key Features

One Time Programmable (OTP) EPROM device with a storage capacity of 256 kB.
32K x 8 Bit memory organization supporting parallel interface communication.
Maximum random access time of 45 nanoseconds for efficient data retrieval.
Operates with a supply voltage from 4.5 V to 5.5 V, ensuring compatibility with standard systems.
Through hole mount type with a 28-pin PDIP package measuring 37.3 mm length and 13.9 mm width.
Operational temperature range from -40°C to 85°C, suitable for diverse environments.
Supply current typically 100 microamperes, ensuring low power consumption.
No in-system programmability and no UV erasing capability as the device is OTP.

Product Description

Microchip AT27C256R-45PU is a 256 kB One Time Programmable (OTP) EPROM memory chip housed in a 28-pin PDIP package. It offers a memory organization of 32K x 8 bits with a parallel interface and a maximum random access time of 45 nanoseconds, ideal for applications requiring reliable and fast read access.

This memory chip operates reliably across a wide temperature range from -40°C to 85°C and requires a voltage supply between 4.5 V and 5.5 V, compatible with typical digital electronics systems. It is designed for through-hole mounting, facilitating easy integration on printed circuit boards (PCBs).

The AT27C256R-45PU does not support in-system programmability and is an OTP device, meaning programming is permanent and cannot be erased or reprogrammed. It is supplied in a PDIP package with exact dimensions of 37.3 mm in length, 13.9 mm in width, and 4.8 mm in height, ensuring compatibility with standard sockets.

The device is optimized for low power consumption with a typical supply current of approximately 100 microamperes. Its OTP nature suits applications where data integrity and permanence are essential, such as firmware storage, configuration data, and embedded system programming.

One Time Programmable EPROM memory with 256 kB capacity. Parallel interface supporting 8-bit data words arranged in 32,768 words. Designed for through-hole mounting in a PDIP 28-pin package. Operating voltage range from 4.5 V to 5.5 V for digital circuitry compatibility.

Wide operating temperature range suitable for industrial environments. Typical supply current of 100 μA for energy-efficient operation. Permanent programming without UV erasure due to non-window package. Reliable and stable for embedded and industrial electronic applications.

Package dimensions ensure easy placement on standard PCB layouts.

This Microchip EPROM is well suited for applications in industrial control, embedded systems, and other electronics requiring reliable non-volatile memory. It is a robust solution for permanent program storage in various devices.

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