SN74ACT7807-20FN

Bus Directional:	Uni-Directional
Base Part Number:	74ACT7807
Supplier Device Package:	44-PLCC (16.58x16.58)
Package / Case:	44-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):	400µA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	13ns
Data Rate:	50MHz
Function:	Synchronous
Memory Size:	18K (2K x 9)
Part Status:	Active
Packaging:	Tube

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Introduction to SN74ACT7807-20FN

The SN74ACT7807-20FN is a FIFO memory device produced by Texas Instruments (TI) for the interface between memories, processors and peripherals. As part of the ACT family of FIFOs, this FIFO is part of a family of devices that use the same architecture and same general features to provide solutions for buffering large amounts of data when maximum efficiency is required. It is ideal for high-speed buffering applications in high-speed, real-time data highways.

Applications of SN74ACT7807-20FN

The SN74ACT7807-20FN is designed primarily for applications where very high speed data transfer is required between memories and processors, such as in data bus applications, high-speed communications, network routers, and digital signal processing (DSP) applications. It is also useful for applications where very low power consumption is required.Other applications of the SN74ACT7807-20FN include high-resolution video recording, telecommunication systems, data acquisition systems, portable electronic devices, and embedded systems. The FIFO is also useful for buffering large amounts of data for rapid, efficient transfer in applications such as file transfers, video conferencing, and signal and image processing.

Working Principle of SN74ACT7807-20FN

The SN74ACT7807-20FN FIFO is a synchronous first-in, first-out memory device designed to transfer large amounts of data efficiently and with minimal latency. The device uses a two-port memory architecture, which allows two ports to be connected to a common data bus. Both ports are capable of reading and writing data, and there is no requirement for the write port to wait for the read port to finish reading data for the write operation to begin.The device uses a dual-height FIFO structure that gives the user more control over the latency of the transfers. Each port is connected to a separate FIFO, allowing for simultaneous reads and writes from different ports. When one port reads data, the data is transferred to the other port without any delay, while when two ports write data, the data is stored in two separate FIFOs, which allows for concurrent reads and writes.The device has 64 bytes of storage per port, which is sufficient for a variety of applications. The device has a status register that gives the user access to data on the FIFO\'s byte count and whether a read or write operation is pending. It also has an address pointer, which is used to store the address of the last byte written or read.

Conclusion

The SN74ACT7807-20FN is a high-performance FIFO memory device with low-power consumption, suitable for high-speed data transfer applications in networks and embedded systems. The device features dual-height FIFO, 64 bytes of storage per port and a status register, allowing for efficient and latency-free data transfer. It is ideal for applications such as data bus, digital signal processing and video conferencing.

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