72271LA10PF8

Series:	7200
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Memory Size:	288K (32K x 9)
Function:	Synchronous
Data Rate:	100MHz
Access Time:	8ns
Voltage - Supply:	4.5V ~ 5.5V
Current - Supply (Max):	75mA
Bus Directional:	Uni-Directional
Expansion Type:	Depth, Width
Programmable Flags Support:	Yes
Retransmit Capability:	Yes
FWFT Support:	Yes
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	64-LQFP
Supplier Device Package:	64-TQFP (14x14)
Base Part Number:	72271

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Logic - FIFOs Memory: 72271LA10PF8 Application Field and Working Principle

Logic - FIFO memories are at the heart of multiprocessor systems and networks. The 72271LA10PF8 is an example of one such device. This device is designed to provide a very high-speed and ultra-wide bus interface for a large multiprocessor and network system.The 72271LA10PF8 is a high-speed, 32-bit asynchronous, FIFO (First In, First Out) addressable 10-byte wide memory. The device has sixteen functions (F1 to F6) organized as eight read and eight write operations. Each operation is instantaneous and requires only a mere single access time. It is capable of providing reliable data transfers with little or no delay.The 72271LA10PF8 has two primary modes of operation: the master-slave mode, and the packet-based mode. In the master-slave mode, the master triggers a transaction, supplies the data, checks the status of the transaction, and then acknowledges its response. In the packet-based mode, the device works as a packet oriented transceiver where the master transmits and receives packets of data with predetermined length and protocol.The data rate of operation for 72271LA10FP8 is up to 10Mb/s with a low latency. This is a crucial speed requirement for various critical applications. Additionally, the device requires a single voltage supply ranging from 3.3V to 5V. It is a low voltage device with very low power consumption so is preferred in environments that require high reliability and low power consumption.The 72271LA10PF8 also offers several unique features that make it especially suitable for high speed data transfer applications. Firstly, it has the Auto Recovery Burst mode which allows the device to recover from errors without the need for an external reset. The device also has its own CRC (Cyclic Redundancy Check) logic, which can detect and correct cyclic errors in the data being transferred. The device also has three dedicated flags that can be used to indicate the data transfer status.When it comes to the actual working principles, the 72271LA10PF8 functions as a FIFO memory. It works on the principal of First In First Out (FIFO), meaning the data is stored within the memory in a queue like fashion and is accessed in the same order in which it was stored. This is a very efficient way of accessing data which eliminates the need for random access memory. The 72271LA10PF8 also offers an additional feature: the DMA mode. DMA stands for Direct Memory Access. It allows for immediate access to a particular data item or a range of data items from the memory without the need for a system CPU or memory addressing. In this mode of operation, the 72271LA10PF8 device simply manages the data transfers, instead of the system processor or CPU.The 72271LA10PF8 is an incredibly powerful and versatile device, making it suitable for a variety of applications. It can be used to connect high-speed data systems to low speed peripheral systems, enabling memory access at speeds of up to 10Mb/s. It can also be used to transfer data between multiple devices such as CPUs, GPUs, and FPGAs. Furthermore, it is an ideal device for signal processing applications and for audio and video streaming.In summary, the 72271LA10PF8 is a high-speed, 32-bit FIFO memory designed for semiconductor system architectures that require a reliable and low latency. It is an efficient device that can be used for a variety of applications such as connecting high-speed data systems to low speed peripherals and signal processing systems. The device supports both master-slave and packet-based modes of operation as well as a direct memory access mode. The device also offers some unique features such as Auto Recovery and CRC logic for data integrity.

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