Overview
The MC74AC125DG is a quad 3-state buffer produced by onsemi, designed for high-performance silicon-gate CMOS applications. This device is part of the 74AC series and is available in a 14-lead SOIC package. It is lead-free, making it compliant with current environmental regulations. The MC74AC125DG is suitable for a wide range of digital logic applications due to its low power consumption and high speed.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 to 6.0 | V | |
| VI (DC Input Voltage) | -0.5 to VCC + 0.5 | V | |
| VO (DC Output Voltage) | -0.5 to VCC + 0.5 | V | |
| IO (DC Output Sink/Source Current) | -50 to 50 | mA | |
| TSTG (Storage Temperature Range) | -65 to 150 | °C | |
| TJ (Junction Temperature under Bias) | -150 | °C | |
| JA (Thermal Resistance) | 116 (SOIC) | °C/W | |
| PD (Power Dissipation in Still Air at 25°C) | 1077 (SOIC) | mW | |
| VIH (Minimum High Level Input Voltage) at VCC = 5.0V | 2.75 | V | VOUT = 0.1V or VCC - 0.1V |
| VIL (Maximum Low Level Input Voltage) at VCC = 5.0V | 1.65 | V | VOUT = 0.1V or VCC - 0.1V |
| VOH (Minimum High Level Output Voltage) at VCC = 5.0V | 5.49 | V | IOUT = -50µA |
| VOL (Minimum Low Level Output Voltage) at VCC = 5.0V | 0.001 | V | IOUT = 50µA |
| tPLH (Propagation Delay Data to Output) at VCC = 5.0V, CL = 50pF | 1.0 to 10 | ns | TA = -40°C to 85°C |
Key Features
- Outputs source/sink up to 24 mA.
- TTL compatible inputs for the MC74ACT125 variant.
- Lead-free devices, compliant with current environmental regulations.
- High speed with propagation delays as low as 1.0 ns.
- Low power consumption with maximum quiescent supply current of 80 µA.
- 3-state outputs for bus-oriented applications.
- Operating ambient temperature range from -40°C to 85°C.
- ESD protection with withstand voltage greater than 2000 V (Human Body Model).
Applications
- Bus-oriented systems where 3-state outputs are necessary.
- High-speed digital logic circuits requiring low power consumption.
- Industrial control systems and automation.
- Telecommunication equipment and networking devices.
- Consumer electronics requiring reliable and efficient logic buffers.
Q & A
- What is the maximum DC supply voltage for the MC74AC125DG?
The maximum DC supply voltage is 6.0 V.
- What is the operating ambient temperature range for this device?
The operating ambient temperature range is from -40°C to 85°C.
- What is the maximum output sink/source current for the MC74AC125DG?
The maximum output sink/source current is 50 mA.
- Does the MC74AC125DG have ESD protection?
- What are the package options for the MC74AC125DG?
The device is available in SOIC-14 and TSSOP-14 packages.
- Is the MC74AC125DG lead-free?
- What is the propagation delay for the MC74AC125DG at VCC = 5.0V and CL = 50pF?
The propagation delay is between 1.0 ns and 10 ns.
- What are the typical applications for the MC74AC125DG?
- What is the thermal resistance for the SOIC package of the MC74AC125DG?
- What is the maximum quiescent supply current for the MC74AC125DG?
