72245LB25PF8

Bus Directional:	Uni-Directional
Base Part Number:	72245
Supplier Device Package:	64-TQFP (14x14)
Package / Case:	64-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Depth, Width
Series:	7200
Current - Supply (Max):	60mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	15ns
Data Rate:	40MHz
Function:	Synchronous
Memory Size:	72K (4K x 18)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to 72245LB25PF8

The 72245LB25PF8 is a memory chip produced primarily by the NEC Electronics Corporation. This chip is a versatile one, manufactured primarily with the purpose of providing a complete solution for various first-in-first-out (FIFO) memory operations. The chip has been designed to be compatible with 3.3V and 5V TTL logic, and can be operated with a clock frequency of up to 25 MHz.

Logic-FIFOs Memory: Application Field of 72245LB25PF8

72245LB25PF8 memory chips are used in a wide range of digital applications. The most common application is in system level designs where a FIFO is used to buffer data between two devices. The presence of high data rates in systems means that data can be temporarily stored in FIFO memory before being launched by the device. One typical application field where these chips are used is computing. The FIFO memory can be used in computer systems to temporarily store instructions and data that should be executed by the processor. It allows the processor to launch instructions at the same rate the instructions are received. The FIFO memory is also heavily used in memory management units.The chips are also used in communication systems. They can be used to temporarily store data received from peripheral devices and serial communication networks before the microcontroller can process it. FIFO memories can also be used to process large chunks of data and transmit them over a network.In addition, there are many audio processing applications where the FIFO memory is widely used. It can be used to temporarily store audio signals that are generated by an audio processing board, before the signals are fed to an audio amplifier. It is also used in digital signal processing, where a FIFO memory is used to buffer incoming and outgoing data signals. Finally, FIFO memories are widely used in image processing. They can be used to store raw video frames or images before they are processed by the video processor. These chips can also be used to compress and decompress frames of video data.

Logic-FIFOs Memory: Working Principles of 72245LB25PF8

The 72245LB25PF8 memory chip uses a generic FIFO architecture, which enables data to be stored in the FIFO first-in-first-out fashion. The chip consists of an 8-byte FIFO memory that can hold up to 66 words. Data can be written to the chip at a maximum rate of 25 MHz. The data is subsequently accessed in the same order it was written.The chip comes equipped with an R/W (read/write) pointer, which is used to keep track of the order in which data was written to and read from the FIFO. When data is written, the R/W pointer is incremented and when data is read, it is decremented. The chip also includes two status flags, which indicate the occupied space and the write/read indicator in the FIFO.The FIFO memory can be written and read via four separate control pins – a read enable pin (RE), a write enable pin (WE), a clock input pin (CK) and an active low reset pin (RST). The RE pin controls the flow of data from the FIFO memory, while the WE pin is used to write data to the memory. The CK pin is used for synchronizing reads and writes between the FIFO memory and external devices, and the RST pin is used to put the FIFO memory into a reset state.

Conclusion

The 72245LB25PF8 chip is a versatile FIFO memory chip that is commonly used in a wide range of digital applications. This memory chip is designed to operate using a generic FIFO architecture, and it has a maximum data rate of 25 MHz. The chip is widely used in computing, communication, audio processing, digital signal processing and image processing applications. Furthermore, the chip consists of an 8-byte FIFO memory, R/W pointer, two status flags and four separate control pins.

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