7207L15PDG

Bus Directional:	Uni-Directional
Base Part Number:	7207
Supplier Device Package:	28-PDIP
Package / Case:	28-DIP (0.600", 15.24mm)
Mounting Type:	Through Hole
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):	120mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	15ns
Data Rate:	40MHz
Function:	Asynchronous
Memory Size:	288K (32K x 9)
Part Status:	Active
Packaging:	Tube

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7207L15PDG Application Field and Working Principle

Logic-FIFOs Memory has been used to enable easy synchronization and integration of any type of logic system. The 7207L15PDG is a type of logic FIFO memory that offers chip-to-chip data transfer capability and queuing support for traditional random logic devices. This article will discuss the application fields of 7207L15PDG and its working principle in detail.

Application Field of 7207L15PDG

7207L15PDG can be used in various types of data storage, such as static random access memory (SRAM) and dynamic random access memory (DRAM). The chip is designed to achieve quantitative switching operation through the address line and data bus, enabling high-speed data access in short times. It is also suitable for serial and parallel data transfer needs.One of the most important applications of 7207L15PDG is in chip-to-chip communications, where it is used to bridge communication between two different types of logic systems. The chip is designed to support data transfer and queuing between traditional random logic devices such as microcontrollers, memories, and ASICs. It also supports multiplex switched fabrics and synchronous network system. Furthermore, the chip can also be used for key functions including fast data flow between logic systems.

Working Principle of 7207L15PDG

The 7207L15PDG contains three independent components that are arranged in a three-stage circuit system. The first component is a FIFO logic control circuit, which allows for fast data queueing and control between the host and target logic circuits. The control circuit consists of four separate registers, two of which are dedicated to receive data, while the other two are used to send data.The second component of 7207L15PDG is a queueing SRAM memory, which provides fast and reliable queuing function between the device’s I/O ports and FIFO control circuits. The third component is a read/write data interface. This component helps in the sending and receiving of data by providing a fast and reliable interface between the FIFO logic control and SRAM memory.When data is to be queued or transferred, the chip\'s logic control circuit first identifies the address of the SRAM memory block that needs accessing. The logic control then starts to transfer data from the target logic device to the SRAM memory blocks. After data is read from the block, it is moved to the FIFO\'s queue end. The chip also supports data multiplexing, allowing data from multiple sources to be read and queued simultaneously. Furthermore, the chip can also be configured to perform various operations like queueing, data lookahead, and data selection, as well as providing support for direct memory access (DMA).

Conclusion

The 7207L15PDG is a type of logic FIFO memory that enables easy synchronization and integration of different logic systems. It is widely used for chip-to-chip communications, fast data flow between logic systems, multiplex switched fabrics, and synchronous network systems. The chip consists of three main components including a FIFO logic control circuit, queueing SRAM memory, and read/write data interface. It provides support for queuing, data lookahead, and data selection functions as well as DMA functions.

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