Allicdata Part #: | 296-14897-5-ND |
Manufacturer Part#: |
SN74LS640N |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC TRANSCVR INVERT 5.25V 20DIP |
More Detail: | Transceiver, Inverting 1 Element 8 Bit per Element... |
DataSheet: | SN74LS640N Datasheet/PDF |
Quantity: | 958 |
Series: | 74LS |
Packaging: | Tube |
Part Status: | Active |
Logic Type: | Transceiver, Inverting |
Number of Elements: | 1 |
Number of Bits per Element: | 8 |
Input Type: | -- |
Output Type: | 3-State |
Current - Output High, Low: | 15mA, 24mA |
Voltage - Supply: | 4.75 V ~ 5.25 V |
Operating Temperature: | 0°C ~ 70°C (TA) |
Mounting Type: | Through Hole |
Package / Case: | 20-DIP (0.300", 7.62mm) |
Supplier Device Package: | 20-PDIP |
Base Part Number: | 74LS640 |
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The Texas Instruments SN74LS640N is a high speed buffer circuit designed for use in interfacing between two busses. It has 4 separate sets of eight bit parities and can interface two 8 bit ports together. It is designed to provide bidirectional buffering of signals between two buses. This makes it ideal for bus applications where data is transferred between two devices or two-way communication is required.
SN74LS640N works on the principle of digital logic. It contains 3 sets of transistors with associated logic gates, multiplexers and drivers. The circuit uses a high speed buffer to control the signals at the input level. The transistors can handle signals in excess of 4 megahertz. The circuit can be used to drive 8 or 16 bit busses. This is done by connecting the output of the circuit to one of four inputs which can be either active high or active low. When the circuit is connected to one of these inputs, the other three inputs are deactivated.
The circuit is used in several applications such as video processing, computer memory interfacing, analog to digital and digital to analog conversion, network interface and memory access control. For example, the SN74LS640N can be used in a computer system to provide an efficient and reliable way of moving data between two busses such as the system bus and an I/O bus. The circuit is also used in VGA systems to provide fast digital switching between multiple graphics modes.
The SN74LS640N is also used in a variety of automotive applications such as driving signals for engine control and sensing devices, controlling speed of actuators, and providing an interface for bus communication. In addition, it can be used in a number of industrial applications, including collision detection systems, load monitoring, and motor control.
The SN74LS640N is also a highly versatile device which can be used in a wide range of applications due to its wide speed range and its bidirectional features. It can be used with multiple devices without requiring any additional circuitry, making it ideal for applications where multiple devices need to be connected to the same communication bus.
The SN74LS640N can be used in a number of applications where the signals need to be buffered in order to provide reliable and high speed data transfers. The device can be used in both microprocessor and non-microprocessor based systems and its wide speed range makes it ideal for a variety of applications. The high speed buffer helps to reduce power consumption while providing reliable performance.
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