SN74ACT7813-40DLR

Bus Directional:	Uni-Directional
Base Part Number:	74ACT7813
Supplier Device Package:	56-SSOP
Package / Case:	56-BSSOP (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Width
Series:	74ACT
Current - Supply (Max):	400µA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	20ns
Data Rate:	25MHz
Function:	Synchronous
Memory Size:	1.125K (64 x 18)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Application Field of SN74ACT7813-40DLR

SN74ACT7813-40DLR is an 8-bit octal first-in-first-out (FIFO) memory device that is used for various applications such as data buffering and communication synchronizing. The device has can be used in applications such as communication interfaces, synchronous data communications, high-speed buffering, multi-microprocessor systems and local bus interfaces. The SN74ACT7813-40DLR comes in a variety of packages and is available in either surface-mount or through-hole mounting. The device operates with a single +5V power supply at a maximum of 3.3Vdd. The device also has a 32 Byte dual port RAM input that provides multiple buffering capabilities and can be used for a wide range of applications.

Working Principle of SN74ACT7813-40DLR

The SN74ACT7813-40DLR operates on a “first-in first-out” (FIFO) principle. This means that the data is stored into the FIFO in the order it is written to the FIFO and is then read out of the FIFO in the order that it was written to the buffer. Data is read in two 8-bit bytes, which is known as a “quad-word”. The SN74ACT7813-40DLR also features several control line options for simple control and operation. This includes an active low “read/write inhibit”, a “full/empty control”, as well as a “wrap around control” line. The “Full/Empty control” line shows the status of the FIFO, whether it is full, empty or somewhere in between. The “wraparound control” line is used when reading the FIFO, to provide for an automatic loopback of the address pointer, thereby allowing for the wrapping of the data in the FIFO.

Conclusion

The SN74ACT7813-40DLR is an 8-bit octal first-in-first-out (FIFO) memory device that is used for data buffering and communication synchronization. The device is available in several packages and offers multiple buffering capabilities. The device operates with a single +5V power supply at a maximum of 3.3Vdd. The SN74ACT7813-40DLR has several control lines to regulate the operation of the FIFO, such as the “read/write inhibit”, the “Full/Empty” and “wrap around” control lines. The device operates on a “first-in first-out” (FIFO) principle and has a 32-byte dual port RAM input for flexibility.

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