| Allicdata Part #: | SN74HC645DWG4-ND |
| Manufacturer Part#: |
SN74HC645DWG4 |
| Price: | $ 0.65 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC TRANSCVR NON-INVERT 6V 20SOIC |
| More Detail: | Transceiver, Non-Inverting 1 Element 8 Bit per Ele... |
| DataSheet: |  SN74HC645DWG4 Datasheet/PDF |
| Quantity: | 1000 |
| 525 +: | $ 0.59491 |
Specifications
| 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-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package: | 20-SOIC |
| Base Part Number: | 74HC645 |
Description
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The SN74HC645DWG4 is a high performance, low-power, octal bus transceiver that is used for many different applications. This article will discuss the application field and working principle of the SN74HC645DWG4.The SN74HC645DWG4 is a Logic-buffers, drivers, receivers, transceivers family member, and it is a high performance, low-power octal bus transceiver. It consists 8-bit wide tri-state, bidirectional I/O ports and two active-low enables (nE, nG). It provides bidirectional data flow between the A and B buses, and it can be used to drive 10 loads. The logic voltage levels of SN74HC645DWG4 can be either 3.3V or 5V, depending on the model.The SN74HC645DWG4 is commonly used in applications such as I2C/SPI-bus interfacing, memory expansion, and bus leveling. It is also used in communication between microcontrollers and LCDs (Liquid Crystal Displays). The device is also suitable for use in data acquisition, data transfer in systems and networks, and in implementing distributed control systems.The SN74HC645DWG4 is a 3-state device, which means that its output can be enabled or disabled. When the active-low enable input, nE, is set to high, the A and B ports become transparent and data on the opposite bus can be read by the opposite bus. When the active-low enable input, nG, is set to high, the B port is disabled and non-driven, and data on the A port is read by the opposite bus. The device has 3 input pins (A0 - A7), 6 output pins (B0 - B5), 1 active low enable pin (nE), 1 active low enable pin (nG), and 1 VCC pin that provides the power to the device.The working principle of the SN74HC645DWG4 is relatively simple. It uses the nE and nG inputs to control the direction of data flow between the A and B ports and enable/disable the ports. With the nE enable input high, data is allowed to be transferred to the B port. With the nG enable input high, data on the A port is read by the B bus. The nE enable input is used to disable the device, and when it is low both the A and B ports are disabled.To sum it up, the SN74HC645DWG4 is a high performance, low-power, octal bus transceiver that is used for many different applications including I2C/SPI-bus interfacing, memory expansion, and bus leveling. It is a Logic-buffers, drivers, receivers, transceivers family member and uses the nE and nG inputs to control the direction of data flow between the A and B ports and enable/disable the ports.
The specific data is subject to PDF, and the above content is for reference
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