72815LB25PF

Bus Directional:	Bi-Directional
Base Part Number:	72815
Supplier Device Package:	128-TQFP (14x20)
Package / Case:	128-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	Yes
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Depth, Width
Series:	7200
Current - Supply (Max):	100mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	15ns
Data Rate:	40MHz
Function:	Synchronous
Memory Size:	18K (512 x 18 x 2)
Part Status:	Obsolete
Packaging:	Tray

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72815LB25PF: Logic - FIFOs Memory

FIFOs are computer memories that are designed to store and transfer data in a first in, first out (FIFO) order. Memory is stored in a reference frame called the memory map. The contents of the memory map typically include fixed fields, user fields, and register variables. The 72815LB25PF is a logic based FIFOs memory.

Applications

The 72815LB25PF memory chip can be used in applications that require storage and transfer of data in a FIFO order. It is commonly used in communication and computer networks, such as sound cards, routers, switches, and storage systems. It is also commonly used in camera control, power management, industrial automation, and aerospace systems. Its flexibility allows it to be used in many applications.

Design & Construction

The 72815LB25PF FIFOs memory is constructed in a CMOS technology and is composed of two major components: The FIFO memory buffer and the logic. The FIFO memory buffer is organized into several independent modules, which are then combined into the data pipeline. Each pipeline allows the data to be transferred from one module to another in order and with no breaks. The logic portion of the chip contains the control registers and provides control signals to the MEM control, MEM data, and MEM address buses. The control registers are responsible for controlling the clock, address signals, and various control signals such as write enable, read enable, and write enable mask. The logic also provides the logic operations to perform the internal functions of the memory.

Working Principle

The 72815LB25PF FIFOs memory works in conjunction with the control registers to store and transfer data. When the memory is initialized, the first item of data is stored in the first memory location. The address of the first memory location is then stored in a control register and is used to determine the next location in the data stream. When the data is read, it is read from the data register in FIFO order, which allows for efficient access to the stored data.The 72815LB25PF has built-in error checking to ensure that the data is stored correctly. It also has built-in protection mechanisms to prevent data corruption or loss due to power failure or other external factors. The control register also provides control signals to the MEM control, MEM data, and MEM address buses, allowing for fast and easy access to the data.

Conclusion

The 72815LB25PF is a logic-based FIFOs memory chip. It is commonly used in communication and computer networks, such as sound cards, routers, switches, and storage systems. It is also used in camera control, power management, industrial automation, and aerospace systems. Its flexibility allows it to be used in many applications. The 72815LB25PF works in conjunction with the control registers to store and transfer data, and has built-in error checking and protection mechanisms to ensure that the data is stored correctly.

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