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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74ALVCH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 2.3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 48-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 48-TSSOP |
The 74ALVCH16244DT from onsemi is a 16-bit non-inverting buffer with 3-State outputs, organized as 4 channels of 4 bits each. Operating from 2.3V to 3.6V, it delivers 24mA source/sink current per channel, making it suitable for high-speed bus applications. Its low-voltage, high-speed characteristics are ideal for memory interfacing, networking, and industrial control systems. The compact 48-TFSOP package saves board space while providing excellent thermal performance.
- 16-Bit Width in One Package: Reduces component count and PCB area compared to using multiple 8-bit buffers.
- High Drive Current (24mA): Ensures reliable signal transmission on long, high-capacitance bus lines.
- Low-Voltage Operation (2.3V-3.6V): Compatible with 2.5V and 3.3V logic, reducing power consumption.
- 3-State Outputs: Facilitates bus multiplexing and prevents data corruption in multi-master systems.
High-Density Memory Bus Buffering
The 74ALVCH16244DT is ideal for buffering 16-bit data/address buses in DRAM or SRAM interfaces. Its 24mA drive capability ensures signal integrity across long PCB traces, while 3-State outputs allow for easy bus sharing with other controllers.
Server/Networking Line Cards
In networking equipment, this buffer can fan out control signals to multiple line card interfaces. The low-voltage operation (2.3V-3.6V) matches modern ASIC I/O levels, and the high channel count reduces component count.
Level Translation in Mixed-Voltage Backplanes
Use it to interface between 2.5V and 3.3V logic domains in backplane systems. The ALVCH family's input tolerance to 3.6V allows safe connection to 3.3V outputs while operating at 2.5V.
FPGA Configuration and I/O Expansion
For FPGAs with limited I/O, this buffer can expand the number of available signals. The 16 channels provide ample fan-out for configuration lines or general-purpose I/O.
Automotive Infotainment Systems
In automotive head units, this buffer can handle multiple data lines between the main processor and display or audio DSP. Its -40°C to 85°C range ensures reliable operation in vehicle environments.
Industrial Control Bus Isolation
For industrial controllers with multiple I/O modules, this buffer can isolate the main CPU bus from module interfaces. The 3-State feature allows modules to be hot-swapped without disrupting the bus.
- Q: What logic family is the 74ALVCH16244DT?
- A: It belongs to the 74ALVCH family, which features low-voltage, high-speed operation with bus-hold functionality.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels (16-bit total), designed for high-density bus applications.
- Q: What output type does it have?
- A: It features 3-State outputs, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 2.3V to 3.6V, optimized for 2.5V and 3.3V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA per channel, providing strong drive for bus lines.
- Q: What package is available?
- A: It comes in a 48-TFSOP (0.240", 6.10mm Width) package.
74ALVCH16244DT.pdf
- Q: What logic family is the 74ALVCH16244DT?
- A: It belongs to the 74ALVCH family, which features low-voltage, high-speed operation with bus-hold functionality.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels (16-bit total), designed for high-density bus applications.
- Q: What output type does it have?
- A: It features 3-State outputs, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 2.3V to 3.6V, optimized for 2.5V and 3.3V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA per channel, providing strong drive for bus lines.
- Q: What package is available?
- A: It comes in a 48-TFSOP (0.240", 6.10mm Width) package.