SN74ACT7811-25FN

Bus Directional:	Uni-Directional
Base Part Number:	74ACT7811
Supplier Device Package:	68-PLCC (24.23x24.23)
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:	Depth, Width
Series:	74ACT
Current - Supply (Max):	1mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	25ns
Data Rate:	16.7MHz
Function:	Synchronous
Memory Size:	18K (1K x 18)
Part Status:	Obsolete
Packaging:	Tube

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Introduction to SN74ACT7811-25FN Logic - FIFOs Memory

The SN74ACT7811-25FN is a high-speed, low-power FIFO (First In First Out) memory manufactured by Texas Instruments. It is an off-the-shelf logic IC manufactured primarily for logic-related applications such as sequential logic, logic gates, counters, shift registers and flip flops. It is also suitable for use in applications requiring FIFO memory such as data communications, microcontrollers and system clock frequency control.

Applications of SN74ACT7811-25FN

The SN74ACT7811-25FN is used in a variety of applications, including data communications, system synchronization, digital signal processing, and high-speed memory interface. It can be used for high-speed parallel-to-serial conversion in A/D and D/A systems, for transferring blocks of information from and to memory and for implementing data-rate conversions. It is also used in data communications networks, such as Ethernet.

Description of SN74ACT7811-25FN

The SN74ACT7811-25FN is an FIFO memory consisting of 25 bytes of programmable storage. It has a data transfer rate of 25MHz, and is capable of storing up to 25 bytes of data with minimal latency. It has a 16-bit output and a 9-bit address/control bus. It also has a select line, which can be used to control data flow.

FIFO Working Principle

At its most basic level, a FIFO works by queuing data in the order that it arrives. The data is stored in a FIFO memory and then accessed in the order that it was originally stored. A FIFO memory will allow for operations such as read and write.A read operation simply reads the data from the FIFO in the order it was stored. A write operation adds new data to the end of the queue, and then moves the rest of the data over to make room for the new data. This allows for maximum throughput, as new data can be processed while other data is being moved to make room.

SN74ACT7811-25FN Working Principle

The SN74ACT7811-25FN is a logic-level FIFO memory chip. It implements the same basic principles of a FIFO, but with improved speed and power. It uses a 9-bit address and control bus, as well as a select line, to control data flow.The device consists of eight separate FIFOs, each of which is capable of holding up to 25 bytes of data. Data can be written to the FIFO in the order that it is received. Data can then be read from the FIFO in the same order.The SN74ACT7811-25FN also contains integrated logic circuitry that can be used to control data flow and address transfers.

Conclusion

The SN74ACT7811-25FN is a high-speed, low-power FIFO memory manufactured by Texas Instruments. It is suitable for a wide variety of applications, ranging from data communications to system synchronization, and has built in logic circuitry for address transfers and data flow control. It implements the same basic FIFO principles but with increased speed and power efficiency.

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