Texas Instruments SN74LVCH245ANSR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.81 | $0.81 |
| 15+ | $0.78 | $11.70 |
| 25+ | $0.77 | $19.25 |
| 50+ | $0.72 | $36.00 |
| 100+ | $0.64 | $64.00 |
| N+ | $0.13 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LVCH |
| Packaging | Marketplace | Cut Tape (CT) |
| 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 (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SO |
| ROHS |  |
The SN74LVCH245ANSR is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication. Operating within a 1.65V to 3.6V supply range, it is ideal for low-voltage, high-speed systems. Each of its 8 channels can drive up to 24mA, making it suitable for heavily loaded buses. The 3-State outputs and non-inverting logic ensure signal integrity and flexibility in multiplexed applications. This device is commonly used in memory interfacing, peripheral drivers, and level-shifting applications where low power consumption and high speed are critical.
- Wide 1.65V to 3.6V Supply Range: Enables operation in both 1.8V and 3.3V systems, simplifying mixed-voltage design.
- High 24mA Output Drive: Capable of driving low-impedance loads and long traces without signal degradation.
- 3-State Outputs: Allows multiple devices to share a bus safely, preventing data corruption.
- Extended Temperature Range (-40°C to 125°C): Suitable for automotive and industrial environments.
Bidirectional Bus Interfacing
Use the SN74LVCH245ANSR to connect two data buses in mixed-voltage systems. Its 3-State outputs and direction control (DIR) allow seamless data flow between a 1.8V microcontroller and a 3.3V peripheral, preventing 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 ensures timing margins are met, while the 24mA output drive handles the capacitive load of multiple memory chips.
Level Shifting in Multi-Voltage Designs
With a wide 1.65V to 3.6V supply range, it can act as a level shifter. Connect VCC to the higher rail and use the OE pin to isolate the bus during power sequencing, protecting low-voltage logic from overvoltage.
Driving LED Displays in Portable Devices
Each of the 8 channels can source or sink 24mA, sufficient to drive LEDs directly. Use it in a portable device to buffer data from a low-power processor to an LED matrix, reducing the need for external driver ICs.
Industrial Sensor Data Acquisition
In industrial controls, this transceiver buffers sensor data from a field bus to a PLC. Its 3-State outputs allow multiple sensors to share a single data line, and the -40°C to 125°C range ensures reliable operation in harsh environments.
- Q: What is the logic family of the SN74LVCH245ANSR?
- 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 1 channel with 8 bits, providing 8-bit bidirectional bus interfacing.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to a shared bus without contention.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it compatible with low-voltage systems.
- Q: What package is available?
- A: It comes in a 20-SOIC package with a width of 5.30mm.
SN74LVCH245ANSR.pdf
- Q: What is the logic family of the SN74LVCH245ANSR?
- 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 1 channel with 8 bits, providing 8-bit bidirectional bus interfacing.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to a shared bus without contention.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it compatible with low-voltage systems.
- Q: What package is available?
- A: It comes in a 20-SOIC package with a width of 5.30mm.
