Overview
The 74HC125DR2G, produced by onsemi, is a quad 3-state noninverting buffer integrated circuit. This device is part of the 74HC series and is designed for high-performance silicon-gate CMOS technology. It is compatible with a wide range of applications due to its versatile operating voltage range and low power consumption. The 74HC125DR2G is particularly useful in systems requiring 3-state memory address drivers, clock drivers, and other bus-oriented systems.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Operating Voltage Range | VCC | 2.0 to 6.0 | V |
| Output Drive Capability | LSTTL Loads | 15 | - |
| Input Current | Iin | 1.0 | μA |
| ESD Protection | HBM/MM | 2000 V / 200 V | - |
| Propagation Delay | tPLH, tPHL | 2.0 to 6.0 ns (depending on VCC) | ns |
| Output Transition Time | tTLH, tTHL | 10 to 15 ns (depending on VCC) | ns |
| Input Capacitance | Cin | 10 | pF |
| 3-State Output Capacitance | Cout | 15 | pF |
| Operating Temperature Range | TA | -55 to 125 | °C |
| Package Type | - | 14-SOIC | - |
Key Features
- Wide supply voltage range from 2.0V to 6.0V
- CMOS low power consumption
- Sinks or sources 4mA at VCC = 4.5V
- High noise immunity characteristic of CMOS devices
- Schmitt trigger action at all inputs
- ESD protection exceeds JESD 22 standards (HBM: 2000V, MM: 200V)
- Four separate output enables that are active-low
- Outputs directly interface to CMOS, NMOS, and TTL
Applications
- Ethernet circuitry
- Wired and cordless telephone systems
- Desktop and notebook PCs
- Pocket PCs and handheld devices
- Desktop and portable radios, clock radios, and tuners
- Bus-oriented systems, including 3-state memory address drivers and clock drivers
Q & A
- What is the operating voltage range of the 74HC125DR2G? The operating voltage range is from 2.0V to 6.0V.
- How many output enables does the 74HC125DR2G have? The device has four separate output enables that are active-low.
- What is the maximum propagation delay of the 74HC125DR2G? The maximum propagation delay varies from 2.0 to 6.0 ns depending on the VCC.
- Does the 74HC125DR2G have ESD protection? Yes, it exceeds JESD 22 standards with HBM: 2000V and MM: 200V.
- What is the input current of the 74HC125DR2G? The input current is 1.0 μA.
- What is the output drive capability of the 74HC125DR2G? It can drive up to 15 LSTTL loads.
- What is the operating temperature range of the 74HC125DR2G? The operating temperature range is from -55°C to 125°C.
- What type of package is the 74HC125DR2G available in? It is available in a 14-SOIC package.
- Does the 74HC125DR2G have Schmitt trigger action? Yes, it has Schmitt trigger action at all inputs.
- What are some common applications of the 74HC125DR2G? It is used in Ethernet circuitry, wired and cordless telephones, desktop and notebook PCs, and various radio systems.
