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Microchip 256 kB EPROM Memory Chip, Parallel Interface, PLCC 32-Pin, OTP, AT27C256R-70JU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 3.37mm |
| Length | 11.5mm |
| Model | AT27C256R-70JU |
| Width | 14.3mm |
| Mount Type | Through Hole |
| Maximum Operating Temperature | 85°C |
| Package Type | PLCC |
| Minimum Operating Temperature | -40°C |
| Memory size | 256kB |
| Interface Type | Parallel |
| Pin Count | 32 |
| 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 | 70ns |
| Number of Words | 32k |
| Reprogramming Technique | OTP |
| Microchip 256kbit OTP EPROM Memory 32-Pin PLCCBrand | Microchip |
Key Features
- Designed for industrial and commercial memory applications.
- One Time Programmable (OTP) for secure data permanence.
- Features a parallel interface for fast data access.
- PLCC package with 32 pins for reliable PCB mounting.
- Memory size of 256 kB, organized as 32K x 8 bit.
- Maximum random access time of 70 ns for high-speed performance.
- Operates within 4.5V - 5.5V supply range for compatibility with standard circuits.
- Operating temperature range from -40°C to 85°C for diverse environments.
Product Description
This device is engineered for reliability and speed in industrial, commercial, and electronic systems, supporting legacy and modern PCB designs.
The AT27C256R-70JU is an OTP (One Time Programmable) EPROM, allowing a single programming cycle for permanent code or data storage. Its parallel interface ensures rapid random access, with a maximum access time of only 70 ns, making it ideal for timing-sensitive applications and embedded systems.
It features a memory configuration of 32K x 8 bit, suitable for data-intensive operations and firmware storage. The chip is mounted via a through-hole PLCC package, providing enhanced durability and ease of integration into production lines or automated insertion systems. The device is compatible with a supply voltage range from 4.5V to 5.5V, suitable for mainstream logic families.
256 kB total memory capacity organized as 32K x 8 bit. OTP design for permanent, secure code storage. Parallel interface for efficient data handling. Fast random access time of 70 ns. Operation from -40°C to 85°C accommodates harsh environments.
PLCC package with 32 pins and compact dimensions (length 11.5 mm, width 14.3 mm, height 3.37 mm). Low supply current (100 μA), supporting energy-conscious designs. Not intended for automotive standard compliance; suitable for industrial, laboratory, and electronics manufacturing purposes.
This memory chip is widely used in digital controllers, firmware modules, embedded designs, instrumentation, and PCB assemblies in industrial, laboratory, and automation sectors. Its OTP nature is ideal for applications requiring secure, tamper-resistant programming.
Explore more Microchip EPROM Memory Chips and semiconductor devices on EnvMart for your PCB, embedded system, and electronic component needs.
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Frequently Asked Questions
The memory size of this model is 256 kB, organized as 32K x 8 bits.
The maximum random access time is 70 ns, allowing for high-speed performance in data access.
It operates within a temperature range of -40°C to 85°C, making it suitable for diverse environments.
This model features a parallel interface for efficient data handling and fast access.
The chip has dimensions of 11.5 mm in length, 14.3 mm in width, and 3.37 mm in height.
It operates within a supply voltage range of 4.5V to 5.5V, compatible with standard circuits.
This model is mounted via a through-hole PLCC package, which provides reliable PCB mounting.
The supply current is 100 μA, supporting energy-conscious designs.
It is widely used in digital controllers, firmware modules, embedded designs, and PCB assemblies in industrial and laboratory settings.
This model employs a One Time Programmable (OTP) technique for secure data permanence.
The chip has a total of 32 pins, facilitating its integration into various systems.
The AT27C256R-70JU is manufactured in India.
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