AT27C512R-70JU

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AT27C512R-70JU

IC EPROM 512KBIT PARALLEL 32PLCC

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Spezifikationen

Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EPROM
Technology EPROM - OTP
MemorySize 512Kb (64K x 8)
MemoryInterface Parallel
AccessTime 70 ns
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TC)
MountingType Surface Mount
Package/Case 32-LCC (J-Lead)

Übersicht

Description

The AT27C512R-70JU is a high-performance, low-power EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that offers 512 Kbits of memory capacity, organized as 64 K x 8 bits. It operates on a supply voltage of 5V and features a fast access time of 70 ns, making it suitable for applications requiring quick data retrieval.
This EEPROM is primarily used in embedded systems, allowing for non-volatile data storage that can be electrically erased and reprogrammed. It employs a conventional byte-wide parallel interface, facilitating easy integration with microcontrollers and other digital circuits.
The device is designed for reliability and longevity, with a typical endurance of 1,000,000 write/erase cycles and a data retention capability of up to 20 years. It is often utilized in applications such as firmware storage, configuration data, and lookup tables. The AT27C512R-70JU is available in various packages, including DIP and surface mount options, providing flexibility for different designs.

Features

The AT27C512R-70JU is a high-performance EEPROM (Electrically Erasable Programmable Read-Only Memory) chip featuring a 64K x 8-bit organization with a 512 Kbit capacity. Its key features include:
- Access Time: 70 ns, allowing for fast read operations.
- Supply Voltage: Operates at 5V, compatible with standard logic levels.
- Programming Method: Utilizes a byte or page programming mode, enabling efficient data writing.
- Endurance: Capable of withstanding up to 1,000,000 erase/write cycles, ensuring long-term reliability.
- Data Retention: Retains data for over 20 years under proper conditions.
- Pin Compatibility: Designed to fit popular 28-pin DIP or surface-mount packages, making it versatile for various applications.
- Single Voltage Operation: Simplifies design with a single supply voltage needed for both programming and reading.
This makes the AT27C512R-70JU suitable for applications in embedded systems, consumer electronics, and data storage.

Package

The AT27C512R-70JU is packaged in a 32-pin PLCC (Plastic Leaded Chip Carrier) format.

Pinout

The AT27C512R-70JU is a 512 Kbit (64 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip produced by Microchip Technology. It comes in a 28-pin dual in-line package (DIP).
Pin Count and Functions:
1. Vcc (Pin 1): Power supply (typically +5V).
2. GND (Pin 28): Ground.
3. A0-A17 (Pins 2-19): Address inputs (A0 to A17, for addressing memory locations).
4. I/O0-I/O7 (Pins 20-27): Data input/output pins (for reading and writing data).
5. CE (Pin 21): Chip Enable (active low).
6. OE (Pin 22): Output Enable (active low).
7. WE (Pin 23): Write Enable (active low).
This configuration allows for data storage, retrieval, and programming capabilities, making it suitable for various applications where non-volatile memory is required.

Manufacturer

The AT27C512R-70JU is manufactured by Microchip Technology Inc. This company specializes in microcontrollers, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip is known for its innovative semiconductor products and is a prominent supplier in the embedded control and microcontroller market. Their offerings are widely used in various applications, including automotive, industrial, consumer, and communication sectors. The AT27C512R-70JU is a flash memory device, commonly used in electronic systems for data storage and retrieval.

Application

The AT27C512R-70JU is a 512K-bit EEPROM used in various applications, including firmware storage in embedded systems, programmable logic devices, and consumer electronics. It is suitable for data storage in computer peripherals, automotive electronics, and telecommunication equipment. Its ability to be reprogrammed makes it ideal for applications requiring updates or modifications to software and configurations.

Equivalent

The AT27C512R-70JU is a 512Kb (64K x 8) EEPROM. Equivalent products include the Microchip 27C512, AMD AM27C512, and STMicroelectronics M27C512. Ensure compatibility with your application by checking the voltage, timing, and package specifications.

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