SN74HC245PWG4

Series:	74HC
Packaging:	Tube
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:	7.8mA, 7.8mA
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	74HC245

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Introduction

SN74HC245PWG4 is a fifteen-pin logic buffer manufactured by Texas Instruments. It belongs to the widely used Logic – Buffers, Drivers, Receivers, Transceivers family because of its capability to quickly convert a digital signal from one location to multiple locations. It is predominantly used for high-speed data transmission as it reduces the number of used pins and helps to reduce crosstalk. It is also used for voltage transduction, input protection, fanout, and address replication.

Application Field

SN74HC245PWG4 can be used in a wide variety of applications in computer architecture, communication systems, microcontrollers, and other numerous digital systems. It is well suited for use in embedded applications because it helps channel raw input signals with a high degree of reliability. It is used in building data buses and transferring data at a high speed. SN74HC245PWG4 is best used in 24-pin and 28-pin packages, since it supports two-channel input and is controlled by two separate control channels. This allows for a wide range of customization options, with integrated circuit designers able to configure the device for their specific applications.

Working Principle

SN74HC245PWG4 functions using Four Independent Buffers, making it possible to transmit signals from one place to multiple places. The basic working principle involves the extensive usage of multiple channels for both inputs and outputs. The gate capacitance of the buffers is minimized, thus enabling faster operations by eliminating input and output delays. Each output is being held at either low (0V) or high (Vcc) levels and the outputs are symmetrical with the inputs. It also features Enable and Disable Pins, which helps reduce power when the component is not in use. When the device is enabled, the output pins can be driven to their desired level, while the enable pin holds a logic High.

Conclusion

Diverse applications benefit from the usage of SN74HC245PWG4 buffers, as it offers secure and fast data transmission in an array of digital systems. It supports two input channels and controls the output of these channels with two separate lines. The outputs are symmetrical with the inputs and the power consumption is low in the disabled mode.

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