Texas Instruments SN74LVCH245APW
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.88 | $0.88 |
| 15+ | $0.86 | $12.90 |
| 25+ | $0.84 | $21.00 |
| 50+ | $0.79 | $39.50 |
| 100+ | $0.70 | $70.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LVCH |
| 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 | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |
The SN74LVCH245APW from Texas Instruments is a non-inverting transceiver with 3-state outputs, designed for bidirectional bus communication. It operates from 1.65V to 3.6V, making it ideal for low-voltage systems. With 24mA sink and source capability, it can drive moderate loads. The bus-hold feature eliminates the need for external pull-up resistors on unused inputs. Housed in a 20-TSSOP package, this transceiver is perfect for portable electronics, memory interfaces, and level translation applications.
- Wide 1.65V-3.6V Supply Range: Supports 1.8V and 3.3V logic levels.
- Bidirectional Transceiver: Enables flexible data routing on shared buses.
- Bus-Hold Feature: Eliminates external pull-up/pull-down resistors, saving board space.
- 3-State Outputs: Allows bus isolation and multiplexing.
- High-Speed 74LVCH Logic: Suitable for high-frequency data transfer.
Bidirectional Bus Communication
As a transceiver, it enables bidirectional data flow between two buses. This is essential in microcontroller systems where data lines must be shared between multiple peripherals, with the direction controlled by a DIR pin.
Low-Voltage Level Translation
Operating from 1.65V to 3.6V, it can interface between 1.8V and 3.3V logic domains. This is critical in modern systems where FPGAs and microcontrollers operate at different low voltages.
Memory Card Interface
In SD card or eMMC interfaces, this transceiver buffers the data lines between the host controller and the memory card. The 3-state outputs allow the bus to be released when not in use.
Peripheral Sharing in Embedded Systems
In embedded designs, multiple peripherals (sensors, displays, memory) share a common data bus. This transceiver isolates each peripheral, preventing signal degradation and allowing hot-swapping.
Bus-Hold Feature for Unused Pins
The 74LVCH family includes bus-hold circuitry that maintains the last valid state on unused inputs. This eliminates the need for external pull-up or pull-down resistors, simplifying PCB design.
Portable Electronics Data Routing
In smartphones and tablets, this transceiver routes data between the application processor and various peripherals. Its low-voltage operation and high-speed capability make it ideal for battery-powered devices.
- Q: What logic family does the SN74LVCH245APW belong to?
- A: It belongs to the 74LVCH logic family, offering low-voltage operation with bus-hold functionality.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver with 3-state outputs.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What type of output does it provide?
- A: It provides 3-state outputs for bidirectional bus communication.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, ideal for low-voltage systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP package with a 4.40mm width.
- Q: What logic family does the SN74LVCH245APW belong to?
- A: It belongs to the 74LVCH logic family, offering low-voltage operation with bus-hold functionality.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver with 3-state outputs.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What type of output does it provide?
- A: It provides 3-state outputs for bidirectional bus communication.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, ideal for low-voltage systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP package with a 4.40mm width.

SN74LVCH245APW.pdf