Bus Directional:	Uni-Directional
Base Part Number:	72V245
Supplier Device Package:	64-TQFP (14x14)
Package / Case:	64-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
FWFT Support:	Yes
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Depth, Width
Series:	72V
Current - Supply (Max):	30mA
Voltage - Supply:	3V ~ 3.6V
Access Time:	10ns
Data Rate:	66.7MHz
Function:	Synchronous
Memory Size:	72K (4K x 18)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Logic - FIFOs Memory

72V245L15PFI8 Application Field and Working Principle

FIFOs (First In First Out) Memory, also known as queues, are specialized forms of logical memories which are used extensively in embedded systems and other hardware implementations. FIFOs are designed to provide a form of memory that can be used to store and buffer data in a first-in-first-out fashion while providing additional logic functions to help control and manage data flow. The 72V245L15PFI8 is one such type of FIFO memory which is used in many industrial and consumer applications.The 72V245L15PFI8 is a 16-bit FIFO memory device that uses three separate input/output data buses to enable a high-speed interface between components. It is available in four different package types; small quad flat packs (SQFP), with 8-, 16-, or 32-lead configurations, as well as a variety of pin packages. This device features a large number of useful features such as memory size control pins, chip enable, address signals, and numerous flag signals that help facilitate a range of data management processes.The 72V245L15PFI8 works in a dual fashion; it both stores data in a FIFO manner and serves as a buffer between two systems. Data can be inputted into the device via one of the data buses, which is then stored in memory in a FIFO fashion. The data can then be outputted via one of the other data buses, which enables it to interface with two bus masters, such as a microcontroller and a digital signal processor (DSP).Multiple 72V245L15PFI8 devices can be daisy-chained together for expanded memory, with the internal data buses functioning as address buses for the connected devices. The internal address bus is also used to sequentially access and write data to the FIFOs. The size of each FIFO memory can be adjusted using the on-board size control pins, allowing for flexibility in regard to data capacity.The 72V245L15PFI8 also features numerous mechanical control pins which allow it to interface with external components. These pins can be used for chip enables, memory size control and various flag signals that help control the flow of data. The device also supports two-line input coding, in which the “s” line enables the data latch process and the “r” line runs the arbitrary data consuming process. In addition to its use as a FIFO, the 72V245L15PFI8 also serves as a buffer between the processor and the external system, allowing for faster data transmission and improved response times. This is especially useful when interfacing with digital signal processing (DSP) devices, where a quick response time is required for process control, such as for video streaming.Overall, the 72V245L15PFI8 is an excellent choice of FIFO memory for embedded systems and other hardware applications. It is easy to configure, highly flexible and offers a large data buffering capacity. This makes it an ideal choice for a wide range of applications where data buffering and high-speed interfaces are required.

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