![MC74HC240ADW Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | MC74HC240ADW-ND |
Manufacturer Part#: |
MC74HC240ADW |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC BUFFER INVERT 6V 20SOIC |
More Detail: | Buffer, Inverting 2 Element 4 Bit per Element 3-St... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | 74HC |
Packaging: | Tube |
Part Status: | Obsolete |
Logic Type: | Buffer, Inverting |
Number of Elements: | 2 |
Number of Bits per Element: | 4 |
Input Type: | -- |
Output Type: | 3-State |
Current - Output High, Low: | 7.8mA, 7.8mA |
Voltage - Supply: | 2 V ~ 6 V |
Operating Temperature: | -55°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: | 74HC240 |
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MC74HC240A is a dual 4-bit buffer/line driver with 3-state outputs, which contains two independent buffers/drivers for maintaining data flows. It is capable of transferring data from one of its buffer/drivers to the other, as well as doing many broad range of transmission applications. MC74HC240A belongs to the Logical - Buffers, Drivers, Receivers, Transceivers family.
The outstanding feature of MC74HC240A is its high common mode capability of the 3-state outputs. The 3-state driver inputs require no external pull-up devices of either power or ground; they automatically disable the outputs when their inputs are disabled. The logic level of the outputs is independent of their enable/disable control.
MC74HC240A has an open drain (active low) active-low output stage. It has two individual output enable pins, which can be independently enabled understanding or enabled in a cascade manner, making it suitable for multi-level multiplexing. It also allows tri-state signals to be converted directly to tri-state data formats.
The working principle of the MC74HC240A is based on three main components: the buffer/line driver, the buffer/shift register and the 3-state driver. The buffer/line driver receives and is powered by one of the two ports: either the data port A or the data port B. It then converts the input signals into high or low logic levels, which are then sent to the buffer/shift register. The buffer/shift register then passes the converted signals to the 3-state driver, which consists of two independent output-enable pins that independently enable the three states of the output. Finally, the output signals are sent to the output pins, where one of the pins is active low and the other is active high.
The main application fields of MC74HC240A are suitable for low-voltage applications, such as logic glue logic in computers, wide-Bus interface logic, transceiver logic, separation logic, and so on. It can also be used for transforming data from one format into another, for example, from TTL-level to ECL-level. It is widely used in a variety of applications such as computers, peripherals, communications systems, instrumentation, and robotics.
In conclusion, MC74HC240A is a high-speed, low-voltage dual 4-bit buffer/line driver with 3-state outputs, which belongs to the Logical - Buffers, Drivers, Receivers, Transceivers family. It is widely used in a variety of applications, such as computers, peripherals, communications systems, instrumentation and robotics. Its working principle is based on three main components: the buffer/line driver, the buffer/shift register, and the 3-state driver.
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