7281L15PA

Bus Directional:	Uni-Directional
Base Part Number:	7281
Supplier Device Package:	56-TSSOP
Package / Case:	56-TFSOP (0.240", 6.10mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	Yes
Programmable Flags Support:	No
Expansion Type:	Depth, Width
Series:	7200
Current - Supply (Max):	125mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	15ns
Data Rate:	40MHz
Function:	Asynchronous
Memory Size:	9K (512 x 9 x 2)
Part Status:	Obsolete
Packaging:	Tube

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Welcome to the introduction of 7281L15PA application field and working principle. This type of product belongs to the Logic – FIFO Memory which is widely used for data transmission and storage. It is suitable for various applications such as industrial control systems, digital audio application, embedded systems, etc. Overview:
7281L15PA is a synchronous dynamic memory with logic read/write control interface and random address. It comes with all the basics and features of the 7281L15PA, including a 256x9-bit RAM, an 8-bit read/write pointer, address latches and a priority count code. It has the functions of ‘sync-store’, ‘sync-read-store’, ‘async-store’, and ‘async-read-store’, and is widely adopted for a variety of applications like industrial control systems, digital audio application, embedded systems, etc. It is one of the most reliable memory products in its range. Application Field:
7281L15PA is widely used in industrial control systems and digital audio applications, as well as embedded systems. It can be used for data transmission and storage in an efficient, easy and reliable manner. It is especially suitable for applications such as data buffering and address-based lookup table management. Industrial control systems are typically large and complex, and thus require a lot of reliable memory. With 7281L15PA’s flexibility, it can store and protect large amounts of data even in the most demanding and hazardous industrial environments, making it the perfect storage solution for industrial applications. In digital audio applications, 7281L15PA can be used for task related to data buffering, address-based lookup table management, and data replication for optimizing sound quality. It is a reliable memory solution that provides high performance, easy configuration and rock-solid stability.7281L15PA is also suitable for the embedded systems that require a highly reliable memory solution. It is easy to configure and integrate with existing systems, allowing for improved performance, stability and reliability for various complex tasks. Working Principle:
The working principle of 7281L15PA mainly centers around the master/slave operation. The internal read/write controller operates in the synchronous or asynchronous mode. When operating in the synchronous mode, the controller synchronizes the read/write operations with the clock signal. When operating in the asynchronous mode, the controller reads or writes based on the commands received by the controller directly or via external access. The 7281L15PA features three types of store commands that can be initiated by the controller: sync-store, sync-read-store and async-store. Sync-store is used to store data into a selected memory location, while sync-read-store is used to simultaneously read and store data. Async-store is performed when an external access is requested. It is a combination of both the sync-read-store and the asynchronous mode.In addition, the 7281L15PA includes an 8-bit read/write pointer, which is used to specify the memory addresses for data read or write operations. It is used to store and retrieve data from memory. The addresses written to the pointer get updated once the data is stored or restored from the memory. The 7281L15PA also includes a priority count code that can be used to select 8 separate addresses corresponding to each bit position. This feature allows the controller to access data at higher priority locations (i.e. address 0) before low priority locations (i.e. address 7). Furthermore, 7281L15PA features an address latch that can be used to temporarily store data while the controller is responding to other commands. Conclusion:
7281L15PA logic read/write control interface is an advanced and reliable FIFO memory product. It is designed to enable efficient data transmission and storage for a wide variety of applications, ranging from industrial control systems, digital audio applications, and embedded systems. With its easy and reliable working principle, 7281L15PA is a great choice for many applications.

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