SN74ACT3641-15PCB

Bus Directional:	Bi-Directional
Base Part Number:	74ACT3641
Supplier Device Package:	120-HLQFP (14x14)
Package / Case:	120-LQFP Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	Yes
Programmable Flags Support:	Yes
Expansion Type:	Depth, Width
Series:	74ACT
Current - Supply (Max):	400µA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	11ns
Data Rate:	66.7MHz
Function:	Synchronous
Memory Size:	36K (1K x 36)
Part Status:	Obsolete
Packaging:	Tray

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Introduction

The SN74ACT3641-15PCB is a high-performance FIFO memory, developed by Texas Instruments, which provides customers with a cost-effective device for data storage and buffering applications. It features an integrated, low-power CMOS technology and is synchronized with a wide range of data rates including Fast and Very Fast Edge-Triggered CMOS logic families.

Application Field

The SN74ACT3641-15PCB FIFO memory can be used in a wide range of applications such as clock synchronization, data buffering, address decoding, and data aggregation. Furthermore, the device can be utilized to store large amounts of data with small size and low power consumption, making it suitable for distributed control systems and high performance computing.Since the SN74ACT3641-15PCB FIFO memory is synchronized with a wide range of edge-triggered logic family clock frequencies, it is well suited for applications with varying data rates. It allows for synchronization between different clock circuits, ensuring that data is transferred with the correct timing and ensuring data accuracy.The SN74ACT3641-15PCB FIFO memory is also highly reliable and robust, making it suitable for mission-critical applications such as automotive systems, industrial automation, and aerospace avionics. In addition, the device operates under low power consumption, ensuring less thermal impact and higher performance in terms of operating temperatures.

Working Principle

The SN74ACT3641-15PCB FIFO memory has two registers: the address register and the data register. The address register is divided into two parts, the read port and the write port, which are used to read and write data from the memory. The data register is divided into 8 bits and is used to store and retrieve the data from the memory.When the read and write ports of the address register receive signals, data is transferred from or written to the memory. The data is transferred from the data register in a First-In-First-Out (FIFO) manner and is written to the memory in an address-defined order. This ensures that the data is written using a specific order and that all the data is retrieved in the same order it was written in.The SN74ACT3641-15PCB FIFO memory is also equipped with a Ready signal, to ensure that the write or read operation has been completed before the next data transfer is initiated. The use of the Ready signal is important to ensure data accuracy and prevent data corruption due to timing errors.Furthermore, the device also features an overflow and underflow indication, so that the user can check if the FIFO memory is working as expected. The overflow indication is generated when data is written to an address for which there is no room in the memory, and the underflow indication is activated when data is read from an empty address.In summary, the SN74ACT3641-15PCB FIFO memory is a highly reliable and efficient device for applications requiring data buffering and storage with varying data rates. It is a cost-effective device, with low power consumption and high performance under a wide range of conditions. The device is also equipped with overflow and underflow detection signals to ensure that data is handled correctly and prevent data corruption.

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