Overview
The MC74LCX125DTG is a high-performance, non-inverting quad buffer produced by onsemi. This component operates within a voltage range of 1.65 to 5.5 V, making it versatile for various low-voltage CMOS applications. It features 5 V-tolerant inputs and outputs, allowing safe interface with 5.0 V TTL logic devices. The MC74LCX125DTG is designed for use in memory address driving and TTL level bus-oriented transceiver applications, offering high impedance TTL compatible inputs and improved switching noise performance.
Key Specifications
| Parameter | Min | Typ | Max | Units | Condition |
|---|---|---|---|---|---|
| VCC (DC Supply Voltage) | -0.5 | 7.0 | V | ||
| VI (DC Input Voltage) | -0.5 | 7.0 | V | ||
| VO (DC Output Voltage) | -0.5 | VCC + 0.5 | V | Output in HIGH or LOW State | |
| IOH (HIGH Level Output Current) | -24 | mA | VCC = 3.0 V - 3.6 V | ||
| IOL (LOW Level Output Current) | 24 | mA | VCC = 3.0 V - 3.6 V | ||
| VIH (HIGH Level Input Voltage) | 1.7 | 2.7 | V | 2.3 V ≤ VCC ≤ 2.7 V | |
| VIL (LOW Level Input Voltage) | 0.7 | 0.8 | V | 2.3 V ≤ VCC ≤ 2.7 V | |
| TA (Operating Free-Air Temperature) | -40 | 85 | °C | ||
| tPLH, tPHL (Propagation Delay Time) | 1.5 | 7.2 | ns | VCC = 2.5 V ± 0.2 V, CL = 30 pF |
Key Features
- Designed for 2.3 to 3.6 V VCC operation
- 5.0 V tolerant inputs and outputs for interface with 5.0 V TTL logic
- Supports live insertion and withdrawal
- IOFF specification guarantees high impedance when VCC = 0 V
- LVTTL and LVCMOS compatible
- 24 mA balanced output sink and source capability
- Near zero static supply current in all three logic states (10 μA)
- Latchup performance exceeds 500 mA
- ESD performance: Human Body Model >2000 V, Machine Model >200 V
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74LCX125DTG is suitable for a variety of applications, including:
- Memory address driving
- TTL level bus-oriented transceiver applications
- Automotive and industrial systems requiring high reliability and low power consumption
- General-purpose logic circuits where low voltage operation and high drive capability are needed
Q & A
- What is the operating voltage range of the MC74LCX125DTG?
The MC74LCX125DTG operates from a supply voltage of 1.65 to 5.5 V.
- Is the MC74LCX125DTG compatible with 5.0 V TTL logic?
Yes, the MC74LCX125DTG has 5.0 V tolerant inputs and outputs, making it compatible with 5.0 V TTL logic.
- What is the output drive capability of the MC74LCX125DTG?
The MC74LCX125DTG has a balanced output sink and source capability of 24 mA.
- Does the MC74LCX125DTG support live insertion and withdrawal?
Yes, the MC74LCX125DTG supports live insertion and withdrawal.
- What is the ESD performance of the MC74LCX125DTG?
The ESD performance of the MC74LCX125DTG is >2000 V for the Human Body Model and >200 V for the Machine Model.
- Is the MC74LCX125DTG RoHS compliant?
Yes, the MC74LCX125DTG is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What are the typical propagation delay times for the MC74LCX125DTG?
The typical propagation delay times (tPLH, tPHL) range from 1.5 to 7.2 ns depending on the VCC and load conditions.
- What is the quiescent supply current of the MC74LCX125DTG?
The quiescent supply current (ICC) is near zero, typically around 10 μA in all three logic states.
- Is the MC74LCX125DTG suitable for automotive applications?
Yes, the MC74LCX125DTG is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring high reliability.
- What are the package options available for the MC74LCX125DTG?
The MC74LCX125DTG is available in TSSOP-14 and SOIC-14 packages.
