Overview
The MC74HC125ADTR2G is a quad 3-state noninverting buffer produced by onsemi. This device is part of the high-performance silicon-gate CMOS family and is designed for use in 3-state memory address drivers, clock drivers, and other bus-oriented systems. It is compatible with standard CMOS outputs and, with pull-up resistors, can also interface with LSTTL outputs. The MC74HC125A series is known for its low input current, high noise immunity, and compliance with JEDEC standards.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| DC Supply Voltage (VCC) | 2.0 | 6.0 | V |
| DC Input Voltage (VIN) | -0.5 | VCC + 0.5 | V |
| DC Output Voltage (VOUT) | -0.5 | VCC + 0.5 | V |
| Operating Free-Air Temperature (TA) | -55 | 125 | °C |
| Maximum High-Level Input Voltage (VIH) | 1.5 | 4.2 | V |
| Maximum Low-Level Input Voltage (VIL) | 0.5 | 1.8 | V |
| Minimum High-Level Output Voltage (VOH) | 1.9 | 5.9 | V |
| Maximum Low-Level Output Voltage (VOL) | 0.1 | 0.4 | V |
| Maximum Input Leakage Current (Iin) | ±1.0 | ±1.0 | µA |
| Maximum Three-State Leakage Current (IOZ) | ±5.0 | ±10 | µA |
| Maximum Quiescent Supply Current (ICC) | 4.0 | 160 | µA |
| Maximum Propagation Delay (tPLH, tPHL) | 15 | 135 | ns |
| Maximum Output Transition Time (tTLH, tTHL) | 10 | 90 | ns |
| Maximum Input Capacitance (Cin) | 10 | 10 | pF |
| Maximum 3-State Output Capacitance (Cout) | 15 | 15 | pF |
Key Features
- Output drive capability: 15 LSTTL loads
- Outputs directly interface to CMOS, NMOS, and TTL
- Low input current: 1.0 µA
- High noise immunity characteristic of CMOS devices
- In compliance with JEDEC Standard No. 7A requirements
- Chip complexity: 72 FETs or 18 equivalent gates
- 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
- Active-low output enables (MC74HC125A)
Applications
- 3-state memory address drivers
- Clock drivers
- Bus-oriented systems
- Automotive applications
- General-purpose logic and buffer applications
Q & A
- What is the operating voltage range of the MC74HC125ADTR2G?
The operating voltage range is from 2.0 V to 6.0 V.
- What is the maximum propagation delay for the MC74HC125ADTR2G?
The maximum propagation delay (tPLH, tPHL) ranges from 15 ns to 135 ns depending on the voltage.
- Is the MC74HC125ADTR2G compatible with TTL outputs?
Yes, the device inputs are compatible with Standard CMOS or TTL outputs, especially with the MC74HCT125A version.
- What is the maximum output transition time for the MC74HC125ADTR2G?
The maximum output transition time (tTLH, tTHL) ranges from 10 ns to 90 ns depending on the voltage.
- Is the MC74HC125ADTR2G RoHS compliant?
Yes, the device is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What are the typical applications of the MC74HC125ADTR2G?
Typical applications include 3-state memory address drivers, clock drivers, bus-oriented systems, and automotive applications.
- What is the maximum input leakage current for the MC74HC125ADTR2G?
The maximum input leakage current (Iin) is ±1.0 µA.
- What is the maximum three-state leakage current for the MC74HC125ADTR2G?
The maximum three-state leakage current (IOZ) is ±10 µA.
- What is the maximum quiescent supply current for the MC74HC125ADTR2G?
The maximum quiescent supply current (ICC) is 160 µA.
- Is the MC74HC125ADTR2G AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
