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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ALVCH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | - |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 56-SSOP |
The 74ALVCH16543DL from Texas Instruments is a low-voltage, non-inverting transceiver in the 74ALVCH logic family. It features two channels with 3-State outputs, capable of sourcing and sinking 24mA. Operating from 1.65V to 3.6V, this transceiver is ideal for modern low-power digital systems. Its high drive current and fast propagation delay make it suitable for memory interfaces, level shifting, and bus communication. The 56-BSSOP package offers a compact solution for high-density PCB designs, and the wide temperature range supports industrial applications.
- Wide Low-Voltage Range (1.65V-3.6V): Supports 1.8V, 2.5V, and 3.3V logic, enabling use in diverse low-power systems.
- High Drive Current (24mA): Ensures reliable signal transmission even at low voltages, where drive strength is often limited.
- Compact 56-BSSOP Package: Allows high-density routing of wide buses, saving PCB space in portable devices.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive applications with harsh conditions.
Low-Voltage Bus Interfacing
Use the 74ALVCH16543DL to interface 3.3V or 2.5V microprocessors with memory or peripherals. The 1.65V-3.6V supply range ensures compatibility with modern low-power logic.
Level Shifting Between 1.8V and 3.3V Domains
In mixed-voltage systems, this transceiver can shift signals between 1.8V and 3.3V logic. The 24mA drive ensures signal integrity even when driving lower-voltage loads.
High-Density Memory Modules
For DDR or SRAM modules, this transceiver buffers address and data lines. The 56-pin package allows routing of wide buses in a compact area, reducing PCB size.
Portable Electronics
In smartphones or tablets, this transceiver manages data flow between application processor and baseband. The low-voltage operation reduces power consumption, extending battery life.
Networking Equipment
In routers and switches, this transceiver interfaces network processors with memory and PHY chips. The wide temperature range (-40°C to 85°C) supports outdoor or industrial networking gear.
FPGA Configuration and I/O Expansion
Use this transceiver to buffer configuration data to FPGAs or to expand I/O capabilities. The 3-State outputs allow multiple FPGAs to share a configuration bus.
- Q: What is the logic family of the 74ALVCH16543DL?
- A: It belongs to the 74ALVCH logic family, which offers low-voltage operation with high-speed performance.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 2 channels, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the transceiver to be isolated from the bus when not active.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it suitable for low-voltage systems including 1.8V, 2.5V, and 3.3V.
- Q: What is the output current capability?
- A: It can source and sink 24mA, providing robust drive for low-voltage buses.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package, ideal for high-density surface-mount designs.
74ALVCH16543DL.pdf
- Q: What is the logic family of the 74ALVCH16543DL?
- A: It belongs to the 74ALVCH logic family, which offers low-voltage operation with high-speed performance.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 2 channels, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the transceiver to be isolated from the bus when not active.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it suitable for low-voltage systems including 1.8V, 2.5V, and 3.3V.
- Q: What is the output current capability?
- A: It can source and sink 24mA, providing robust drive for low-voltage buses.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package, ideal for high-density surface-mount designs.