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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Bulk | |
| 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 | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
The SN74HC245ADBR from Texas Instruments is a versatile non-inverting transceiver from the 74HC logic family. It provides 8-bit bidirectional data transfer with 3-State outputs, operating from 2V to 6V. With 7.8mA output current, it can drive a variety of loads. The compact 20-SSOP package is ideal for space-constrained PCBs, making it a popular choice for bus interfacing, level shifting, and general data buffering in both 3.3V and 5V systems.
- Bidirectional Data Flow: Allows data transfer in both directions, reducing component count in bus designs.
- Wide 2V-6V Supply Range: Compatible with both 3.3V and 5V logic, simplifying mixed-voltage designs.
- 3-State Outputs: Enables bus sharing and isolation, critical for multi-device systems.
- Compact SSOP Package: Saves board space compared to wider SOIC packages.
Bidirectional Data Bus
As a transceiver, it is ideal for connecting two data buses, allowing data to flow in either direction under the control of the DIR pin.
Level Shifting (3.3V to 5V)
With a 2V-6V supply range, it can be powered at 3.3V on one side and 5V on the other (with proper VCC), enabling level translation.
Memory Data Bus Buffering
Use it to buffer the data bus between a CPU and memory, providing the necessary drive and isolation.
Peripheral Interface
It can interface a microcontroller to external peripherals like sensors or ADCs, providing a robust bidirectional link.
Industrial Sensor Networks
In industrial settings, it buffers sensor data to a central controller, ensuring signal integrity over longer traces.
Mixed-Voltage Systems
Its wide voltage range makes it a key component in systems that need to interface 3.3V and 5V logic without complex level shifter ICs.
- Q: What is the logic family of the SN74HC245ADBR?
- A: It belongs to the 74HC family, which is high-speed CMOS logic.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel (8-bit), enabling bidirectional data flow.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it versatile for 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, providing moderate drive strength.
- Q: What package is available?
- A: It comes in a 20-SSOP (0.209", 5.30mm Width) package, which is compact for space-saving designs.
SN74HC245ADBR.pdf
- Q: What is the logic family of the SN74HC245ADBR?
- A: It belongs to the 74HC family, which is high-speed CMOS logic.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel (8-bit), enabling bidirectional data flow.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it versatile for 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, providing moderate drive strength.
- Q: What package is available?
- A: It comes in a 20-SSOP (0.209", 5.30mm Width) package, which is compact for space-saving designs.