72605L25J8

Bus Directional:	Bi-Directional
Base Part Number:	72605
Supplier Device Package:	68-PLCC (24.21x24.21)
Package / Case:	68-LCC (J-Lead)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Width
Series:	7200
Current - Supply (Max):	230mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	15ns
Data Rate:	40MHz
Function:	Synchronous
Memory Size:	9K (256 x 18 x 2)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
The 72605L25J8 is a logic-FIFOs memory device that can provide memory banks for wide use in designs utilizing industrial and communications applications. The 72605L25J8 is a Field Programmable Gate Array (FPGA) memory device incorporating sixteen 32Kx16 words deep embedded dual-port register files. Each port provides independent access to the same memory bank for independent read/write operations. This embedded dual-port RAM is designed to provide the high-speed, high-density solution needed for many applications.
Application Field
The 72605L25J8 memory device is a highly reliable solution for digital systems and applications. Due to its embedded dual-port design, the device is versatile and efficient in an array of segments. Its primary applications are communications and industrial systems like radio/microwave communications and applications transitioning between devices, as well as video processing and information security systems. The device works with a variety of devices, including digital signal processors, field-programmable gate arrays, processor cores, complex programmable logic devices, and any other device requiring huge storage capacity.
Working Principle
The 72605L25J8 is designed with a dual-port architecture. Each port is independently controlled by a separate address, write enable, and read enable signal. The dual-write capability allows for simultaneous updating and access of the same memory bank from two different sources. The 72605L25J8 memory device supports fast write and read cycles. Data is entered to the memory locations in 8-bit or 16-bit sizes and read from the memory locations in 8-bit or 16-bit sizes. The device is composed of four hierarchical banks to minimize latency through the memory banks. Each bank has its own address register, data register, read/write register, and control registers available. Data is directed to one of these four columns, which is then routed to the desired bank.
The 72605L25J8 is also designed with a fail-safe operation scheme. This scheme allows the device to detect and alert any changes in the incoming address and data signals. This allows the device to pause the transfer of data until any changes in the incoming address and data can be validated. The device is also capable of transmitting an interrupt signal when the incoming address or data signal changes. This signal can then be used by other components in the system to determine the need to validate the incoming address and data before continuing the operation of the device.
Conclusion
The 72605L25J8 is a Field Programmable Gate Array (FPGA) memory device designed for communications, industrial, and other applications. It is designed with a dual-port architecture and supports fast write and read cycles. It has four hierarchical banks to minimize latency as well, as providing an effective fail-safe operation scheme. With its ability to provide memory banks for wide use in many digital systems, the 72605L25J8 is a reliable and efficient solution needed for many applications.

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