AT29C256-12JC

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	256Kb (32K x 8)
Write Cycle Time - Word, Page:	10ms
Access Time:	120ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C (TC)
Mounting Type:	Surface Mount
Package / Case:	32-LCC (J-Lead)
Supplier Device Package:	32-PLCC (11.43x13.97)
Base Part Number:	AT29C256

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AT29C256-12JC application field and working principle

Memory is a key component in modern computing systems. There are many types of memory, such as RAM, ROM and flash memory. AT29C256-12JC is a type of ROM (read-only memory) developed by Atmel Corporation. It has a 256Kx8 capacity and has been used in various applications. It is widely used in embedded systems, industrial control systems, communication systems and medical equipment, etc. In this article, we will discuss the application field of AT29C256-12JC and its working principle.

Application Field

AT29C256-12JC is widely used in embedded systems, industrial control systems, communications systems and medical equipment.

• Embedded systems: This type of memory is often used in embedded systems such as single-board computers and microcontrollers. It is suitable for booting microcontroller chips and contains instructions used by the microcontroller to initialize itself and start its operations.
• Industrial control systems: AT29C256-12JC is used in industrial control systems as an essential component for controlling switches, relays, motors and other components.
• Communication systems: This type of memory can also be used in communication systems including digital and analog radio-frequency systems. It can store the system configuration parameters and configuration data, as well as the program code for digital signal processors (DSPs) and the initial executable code for microcontrollers.
• Medical equipment: The AT29C256-12JC is also used in medical equipment such as heart monitors, ultrasound machines, blood pressure monitors and other diagnostic systems. It stores the instructions that are necessary for the machine to properly operate.

Working Principle

AT29C256-12JC is an 8-bit ROM with a 256Kx8 capacity. It consists of two main components: the ROM cells, which contain the data, and the memory array, which stores the data in an organized way. The ROM contains data that is programmed into the chip at the factory. Once the chip is programmed, it cannot be changed. The data that is stored in the ROM is permanent until the chip is replaced. The data is organized in a 16-bit address space and the data at each address is 8 bits wide. The data can be read from the ROM using either a microprocessor or a dedicated memory controller. The reading process is very quick, since the data stored in the ROM is already organized. The microprocessor or memory controller only needs to send the address of the data that it wants to read and the data will be returned. The AT29C256-12JC is a reliable and efficient memory chip that is widely used in various applications. It is used to store information that is not intended to change over time and provides quick access to the data.

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