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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-TSSOP |
| ROHS |  |
The MM74HC125MTC is a quad non-inverting buffer from Fairchild Semiconductor, featuring 3-State outputs for bus-oriented applications. Operating from 2V to 6V, it provides 7.8mA output current per channel. This 74HC logic device is ideal for signal buffering, level shifting, and driving multiple loads in digital systems. Its 14-TSSOP package is suitable for space-constrained designs.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
- 3-State Outputs: Enables bus sharing and prevents bus contention in multiplexed applications.
- High Output Current (7.8mA): Can drive LEDs, relays, and multiple logic inputs directly.
- Compact TSSOP Package: Saves board space in dense electronic assemblies.
Bus Interfacing and Isolation
The 3-State outputs allow the MM74HC125MTC to be used for connecting multiple peripherals to a common data bus. When the output enable is inactive, the buffer presents a high impedance, preventing bus contention.
Signal Buffering for High-Fanout Applications
With a wide 2V to 6V supply range and 7.8mA output current, this buffer can drive multiple loads, ensuring signal integrity in systems with high fan-out requirements.
Level Shifting Between 3.3V and 5V Systems
Operating from 2V to 6V, the MM74HC125MTC can be used to shift logic levels between different voltage domains, ensuring proper communication between 3.3V and 5V components.
Driving LEDs and Relays
The 7.8mA sink/source capability is sufficient to drive LEDs directly or control low-power relays through a transistor, simplifying interface designs.
Industrial Control Input/Output Modules
In industrial PLCs and control systems, this buffer can isolate and condition signals from sensors and switches, providing a clean interface to the main controller.
Memory Address and Data Line Buffering
For memory systems, the MM74HC125MTC can buffer address and data lines, reducing capacitive loading on the memory controller and improving signal timing.
- Q: What is the logic family of the MM74HC125MTC?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 4 independent buffer channels.
- Q: What type of output does it feature?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It comes in a 14-TSSOP (4.40mm width) package.
MM74HC125MTC.pdf
- Q: What is the logic family of the MM74HC125MTC?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 4 independent buffer channels.
- Q: What type of output does it feature?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It comes in a 14-TSSOP (4.40mm width) package.