SN74ABT843DBRG4

Series:	74ABT
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	D-Type Transparent Latch
Circuit:	9:9
Output Type:	Tri-State
Voltage - Supply:	4.5 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	4.4ns
Current - Output High, Low:	32mA, 64mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	24-SSOP
Base Part Number:	74ABT843

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Introduction

The SN74ABT843DBRG4 is an Octal bus transceiver (OBT) device which is available in a DB style package. Developed by Texas Instruments, a well-known manufacturer of Component Integrated Circuits (CIC), this device is used to provide an interface between two buses on a digital system. OBTs are often used to provide a bidirectional data flow between two parts of a system, while allowing the operation of the two buses to be asynchronous. The SN74ABT843DBRG4 is a specific variant of the SN74ABT843 family of OBTs, and is designed for use on 3.3V logic systems.

Logic - Latches

SN74ABT843DBRG4 devices are commonly used in three-state logic systems, and are often referred to as latches. A latch generally consists of one or more logic gates, and is used to store an arbitrary binary value for an arbitrary length of time. Latches are often used to store memory values, or to provide a timing function for digital systems.In the case of the SN74ABT843DBRG4, the device is composed of four blocks of logic. Each block is composed of a pair of buffers, which are used to store the values of the two buses the SN74ABT843DBRG4 is connected to. The details of each block are shown in Figure 1 below, and each block is composed of two gates, an OR gate and an AND gate. The specific data is subject to PDF, and the above content is for reference

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