Overview
The MC74HC125ADR2G 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 MC74HC125ADR2G features four separate output enables that are active-low, making it versatile for various digital circuit applications.
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 |
| Input Rise or Fall Time | 0 | 1000 | ns |
| Maximum Propagation Delay (tPLH, tPHL) | 15 | 90 | ns |
| Maximum Output Transition Time (tTLH, tTHL) | 10 | 60 | ns |
| Maximum Input Capacitance (Cin) | 10 | 10 | pF |
| Maximum 3-State Output Capacitance (Cout) | 15 | 15 | pF |
| Power Dissipation Capacitance (CPD) | 5.0 | 5.0 | pF |
Key Features
- Output Drive Capability: 15 LSTTL Loads
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Operating Voltage Range: 2.0 to 6.0 V (HC), 4.5 to 5.5 V (HCT)
- Low Input Current: 1.0 µA
- High Noise Immunity Characteristic of CMOS Devices
- In Compliance with the JEDEC Standard No. 7 A 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
Applications
- 3-State Memory Address Drivers
- Clock Drivers
- Bus-Oriented Systems
- Digital Circuitry Requiring High-Speed Buffering
- Automotive and Industrial Control Systems
Q & A
- What is the operating voltage range of the MC74HC125ADR2G?
The operating voltage range is 2.0 to 6.0 V for the HC version and 4.5 to 5.5 V for the HCT version.
- What is the maximum propagation delay for the MC74HC125ADR2G?
The maximum propagation delay (tPLH, tPHL) ranges from 15 to 90 ns depending on the supply voltage.
- How many output enables does the MC74HC125ADR2G have?
The device has four separate output enables that are active-low.
- Is the MC74HC125ADR2G compatible with TTL outputs?
Yes, the device inputs are compatible with Standard CMOS or TTL outputs, especially with the HCT version.
- What is the maximum input current for the MC74HC125ADR2G?
The maximum input current is ±20 mA.
- Is the MC74HC125ADR2G RoHS compliant?
Yes, the device is Pb-Free, Halogen Free/BFR Free and RoHS Compliant.
- What are the typical applications of the MC74HC125ADR2G?
Typical applications include 3-state memory address drivers, clock drivers, and other bus-oriented systems.
- What is the thermal resistance of the MC74HC125ADR2G in a TSSOP-14 package?
The thermal resistance (JA) for the TSSOP-14 package is 150 °C/W.
- Is the MC74HC125ADR2G qualified for automotive applications?
Yes, it is AEC-Q100 Qualified and PPAP Capable for automotive and other applications requiring unique site and control change requirements.
- What is the maximum storage temperature for the MC74HC125ADR2G?
The maximum storage temperature is -65 to +150 °C.
