SN74AHC245DWRG4

Series:	74AHC
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	8mA, 8mA
Voltage - Supply:	2 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74AHC245

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SN74AHC245DWRG4 Application Field and Working PrincipleLogic - Buffers, Drivers, Receivers, TransceiversThe SN74AHC245DWRG4 is a logic device manufactured by Texas Instruments. This device is designed for buffering, driving, receiving, and transceiving logic signals. It has eight channels of bidirectional data flow for transferring information between different logic systems, and is ideal for applications such as bus power switching, data bus driving, and peripheral interface circuitry.The SN74AHC245DWRG4 is available in both Surface Mount (SMT) and Through-hole (THT) packages. Its maximum power dissipation is 700mW, and its maximum supply voltage is 7V to 14V. The package includes a total of 20 pins. It is an advanced schottky-buffered circuit that offers improved speed performance over conventional buffered logic devices.The SN74AHC245DWRG4 is composed of eight non-inverting buffers and drivers. These buffers and drivers have a wide supply voltage range and offer fast switching performance. Each channel of the SN74AHC245DWRG4 is controlled by an enable (EN) pin, which can be used to control the data flow in either direction. When the EN pin is connected to VCC, data can be received from the input pins and output to the output pins. Conversely, when the EN pin is connected to ground, the data can be received from the output pins and output to the input pins.The SN74AHC245DWRG4 can be used in a wide variety of applications, such as in buffer logic, in internet communications, and in automotive keyless entry systems. It can also be used with an array of digital integrated circuits, such as EEPROMs, microcontrollers, and digital signal processors. An added feature of the SN74AHC245DWRG4 is its low power consumption, which makes it ideal for battery-operated systems.In order to understand the working principle of the SN74AHC245DWRG4, the device needs to be viewed as two separate logic blocks. The input side of the SN74AHC245DWRG4 consists of eight non-inverting buffers, which are used to drive the data from the input pins to the output pins. The output side consists of eight open-collector, non-inverting buffers, which are used to receive the data from the output pins and drive it to the input pins.When the enable pin is connected to VCC, data is driven from the input pins to the output pins. This is done by the non-inverting buffers on the input side of the device. When the enable pin is connected to ground, the data is driven from the output pins to the input pins. This is done by the open collector, non-inverting buffers on the output side of the device.Overall, the SN74AHC245DWRG4 is a versatile and highly efficient logic device that offers improved speed performance over conventional buffered logic devices. It is an ideal solution for a wide range of applications, such as bus power switching, data bus driving, and peripheral interface circuitry. It has a wide supply voltage range and low-power consumption and can be used with a variety of digital integrated circuits.

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