Texas Instruments SN74LVCH245ADW
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.08 | $1.08 |
| 15+ | $1.05 | $15.75 |
| 25+ | $1.03 | $25.75 |
| 50+ | $0.97 | $48.50 |
| 100+ | $0.86 | $86.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LVCH |
| Packaging | Marketplace | 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 | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The SN74LVCH245ADW is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. Operating within a 1.65V to 3.6V supply range, it supports low-voltage applications while delivering 24mA of drive current. The 3-State outputs allow for bus isolation, and the non-inverting logic ensures data integrity. Housed in a 20-pin SOIC package, this IC is ideal for memory interfacing, level shifting, and general-purpose buffering in mixed-voltage digital systems.
- Wide 1.65V to 3.6V Supply Range: Compatible with 1.8V, 2.5V, and 3.3V logic, simplifying mixed-voltage design.
- High 24mA Drive Current: Ensures robust signal integrity when driving capacitive loads or long traces.
- 3-State Outputs: Enables bus multiplexing and isolation, preventing data contention.
- Non-Inverting Transceiver: Preserves data polarity, reducing design complexity.
- Industrial Temperature Range (-40°C to 125°C): Suitable for harsh automotive and industrial environments.
Bidirectional Bus Interfacing
Use the SN74LVCH245ADW to interface between two data buses operating at different voltages (e.g., 1.8V to 3.3V). Its 3-State outputs and direction control (DIR) pin allow seamless bidirectional data flow without bus contention.
Signal Buffering for High-Speed Memory
In DDR memory modules, this transceiver buffers address and control signals. The 74LVCH family's low propagation delay and high drive current (24mA) ensure signal integrity at high clock speeds.
Level Shifting in Mixed-Voltage Systems
With a wide supply range of 1.65V to 3.6V, it can translate logic levels between low-voltage microcontrollers (1.8V/2.5V) and 3.3V peripherals, eliminating the need for separate level shifters.
Isolation in Hot-Swap Applications
The 3-State outputs allow the transceiver to be placed in a high-impedance state during board insertion or removal, preventing glitches on the backplane bus. This is critical for telecom and networking equipment.
Driving Multiple Loads in Industrial Control
In PLCs and industrial controllers, the SN74LVCH245ADW can buffer control signals to drive multiple input modules. Its 24mA sink/source capability ensures reliable logic levels even with long PCB traces.
Data Acquisition Systems
Use it to buffer analog-to-digital converter (ADC) outputs to a microprocessor. The non-inverting function preserves data polarity, while 3-State outputs enable sharing of a single data bus among multiple ADCs.
- Q: What is the logic family of the SN74LVCH245ADW?
- A: It belongs to the 74LVCH logic family, known for low-voltage operation and high-speed performance.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with non-inverting outputs, ideal for bidirectional data flow.
- Q: How many channels does it have?
- A: It features 8 channels (1 byte), providing 8-bit bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it compatible with 1.8V, 2.5V, and 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.295", 7.50mm Width) package.
SN74LVCH245ADW.pdf
- Q: What is the logic family of the SN74LVCH245ADW?
- A: It belongs to the 74LVCH logic family, known for low-voltage operation and high-speed performance.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with non-inverting outputs, ideal for bidirectional data flow.
- Q: How many channels does it have?
- A: It features 8 channels (1 byte), providing 8-bit bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and multiplexing.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it compatible with 1.8V, 2.5V, and 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.295", 7.50mm Width) package.
