DM74AS651WM Allicdata Electronics
Allicdata Part #:

DM74AS651WM-ND

Manufacturer Part#:

DM74AS651WM

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: ON Semiconductor
Short Description: IC TXRX NON-INVERT 5.5V 24SOIC
More Detail: Transceiver, Non-Inverting 1 Element 8 Bit per Ele...
DataSheet: DM74AS651WM datasheetDM74AS651WM Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: 74AS
Packaging: Tube 
Part Status: Obsolete
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: 15mA, 48mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Surface Mount
Package / Case: 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 24-SOIC
Base Part Number: 74AS651
Description

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The 74AS651WM chip is a high performance, low-cost, low-voltage, 6-bit Bidirectional Noninverting Transceiver Buffer IC, commonly known as a logic buffer or logic transceiver IC, first introduced by the manufacturers Texas Instruments in 1983. This chip was designed for applications where the central logic and / or output drivers required a low-power, low-cost, yet still efficient logic buffer. The logic buffer is the most basic form of logic circuit, sometimes referred to as a universal "Logic Building Block". The entire chip is constructed upon a single CMOS, complementary metal oxide semiconductor, process, meaning that the chip can operate at a range of low power supply voltages which make it suitable for many electronic systems.

The DM74AS651WM is generally used in applications where one or more low-voltage, low-powered logic buffer devices are required, such as OEMs or prototyping projects. It can be used as a voltage-level translator, level-shifter, or as a bridge device in bus or data communications systems. The 74AS651WM can also be used in logic switches, logic gates, flip-flops, counters, or for low-parent logic in systems which require help in decoding logic signals. It is also suitable for analog circuits, with its low power drain.

###### Working Principle

The DM74AS651WM is a 6-bit buffer, meaning that it can send and receive 6 bits of data at a time. Each one of these 6-bits can be connected to its own platform. The DM74AS651WM is a non-inverting buffer, meaning that the output is the same as the input - with bit 0 (the least significant bit) corresponding to bit 5 (the most significant bit). Every bit is buffered, meaning that it can be used as an output driver as well as an input receiver.

The device is operated with two independent ports, named A and B. Port A can be used as an output terminal and port B as an input terminal. Port A sends data to port B if the direction control pin (DIR) is set to logic 1. Port B sends data to A if the DIR pin is at logic 0. The device also has an active-low enable pin (EN) which can be used to enable or disable the chip. When EN is low, the output of the buffer is switched off, regardless of the logic states of the data input and output pins. The device also has an active-low reset pin (RST) which can be used to reset the buffer to a known state.

The DM74AS651WM has a very fast response time; typically less than 8 nanoseconds for logic 1 to logic 0 in high speed mode and less than 6 nanoseconds for logic 0 to logic 1 in low speed mode. This device is capable of running from a single supply voltage range from as low as 2.3V to as high as 6V, and can be operated with temperatures ranging from -55C to +125C.

The DM74AS651WM has built-in protection against input voltage overshoot and ESD protection, allowing it to be used in hostile environments without the risk of damage. In addition, the device has open-circuit protection and is designed with low-power consumption, making it ideal for battery operated, mobile, and automotive applications.

In summary, the DM74AS651WM is an ideal 6-bit transceiver buffer IC, suited for applications requiring low power supply voltages, low-power consumption, and fast response time. With its built-in protection against input voltage overshoot and ESD protection, it is ideal for use in hostile environments, but also suitable for OEMs, prototyping projects, level-shifting applications, and more.

The specific data is subject to PDF, and the above content is for reference

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