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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74LVTH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 12mA, 12mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |  |
The 74LVTH2244MTCX from Fairchild Semiconductor is a dual 4-bit non-inverting buffer designed for low-voltage, high-speed systems. Operating from 2.7V to 3.6V, it delivers 12mA of output current per channel, ensuring robust signal drive. Its 3-State outputs and bus-hold feature simplify bus management and reduce external components. Packaged in a 20-TSSOP, this buffer is ideal for memory interfacing, telecom backplanes, and portable electronics, offering reliable performance in 3.3V environments.
- Integrated Bus-Hold Circuitry: Eliminates external pull-up resistors, reducing BOM cost and PCB area while preventing floating inputs.
- Low-Voltage 2.7V to 3.6V Operation: Optimized for 3.3V systems, reducing power consumption compared to 5V logic.
- 12mA Output Drive: Provides sufficient current for driving TTL loads and moderate capacitive buses.
- 3-State Outputs: Enables bus isolation and multiplexing, critical for multi-device communication.
- Industrial Temperature Range (-40°C to 85°C): Suitable for automotive and industrial applications where reliability is paramount.
High-Speed Bus Buffering
The 74LVTH2244MTCX is ideal for buffering address and data buses in 3.3V microprocessors, providing the necessary drive strength to handle multiple memory chips without signal degradation.
Bus-Hold Feature for Unused Pins
Its built-in bus-hold circuitry eliminates the need for external pull-up resistors on unused inputs, simplifying PCB layout and reducing component count in dense designs.
Mixed 3.3V/5V System Interfacing
With TTL-compatible inputs, this buffer can accept 5V logic signals while operating at 3.3V, enabling seamless communication between legacy 5V peripherals and modern 3.3V controllers.
Server Memory Module Buffering
In server DIMMs, this buffer isolates the memory controller from the high-capacitance DRAM bus, improving signal integrity and enabling higher memory speeds.
Telecom Line Card Drivers
For telecom equipment, the 12mA output drive and 3-State capability make it suitable for driving backplane traces and line card interfaces, ensuring reliable data transmission.
Portable Electronics I/O Expansion
In handheld devices, this buffer expands the I/O capability of application processors, driving LCD data lines or sensor interfaces with minimal power consumption.
- Q: What is the logic family of the 74LVTH2244MTCX?
- A: It belongs to the 74LVTH (Low-Voltage TTL with Bus Hold) family, designed for low-voltage, high-speed applications.
- Q: What is the function of this IC?
- A: It is a dual 4-bit (8-bit total) non-inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, optimized for 3.3V systems.
- Q: What is the output type?
- A: It features 3-State outputs, allowing the buffer to be disabled for bus sharing.
- Q: What is the package type?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.
- Q: What is the output current capability?
- A: It can source and sink 12mA of current, suitable for driving TTL-compatible loads.
74LVTH2244MTCX.pdf
- Q: What is the logic family of the 74LVTH2244MTCX?
- A: It belongs to the 74LVTH (Low-Voltage TTL with Bus Hold) family, designed for low-voltage, high-speed applications.
- Q: What is the function of this IC?
- A: It is a dual 4-bit (8-bit total) non-inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, optimized for 3.3V systems.
- Q: What is the output type?
- A: It features 3-State outputs, allowing the buffer to be disabled for bus sharing.
- Q: What is the package type?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.
- Q: What is the output current capability?
- A: It can source and sink 12mA of current, suitable for driving TTL-compatible loads.