Overview
The MC74AC244DTR2G, produced by onsemi, is an octal buffer and line driver designed to enhance PC board density. It is suitable for various applications such as memory address drivers, clock drivers, and bus-oriented transmitters/receivers. This component is part of the MC74AC244/74ACT244 series, which offers improved performance and compatibility with different logic families.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | −0.5 to +6.5 | V |
| DC Input Voltage (VIN) | −0.5 to VCC +0.5 | V |
| DC Output Voltage (VOUT) | −0.5 to VCC +0.5 | V |
| Output Sink/Source Current (IOUT) | ±50 | mA |
| Propagation Delay (tPLH, tPHL) | 2.0 to 7.0 | ns |
| Maximum High Level Input Voltage (VIH) | 3.0 to 5.5 | V |
| Maximum Low Level Input Voltage (VIL) | 0.9 to 1.65 | V |
| Minimum High Level Output Voltage (VOH) | 2.99 to 5.49 | V |
| Maximum Low Level Output Voltage (VOL) | 0.1 | V |
| Package Type | TSSOP-20 | |
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- 3-State Outputs capable of driving bus lines or buffering memory address registers.
- Outputs can source/sink up to 24 mA.
- The MC74ACT244 version has TTL compatible inputs.
- Pb-Free devices, making them environmentally friendly.
- Improved PC board density due to compact packaging (TSSOP-20 and SOIC-20W).
Applications
- Memory address drivers.
- Clock drivers.
- Bus-oriented transmitters/receivers.
- General-purpose buffering and line driving in digital circuits.
- Use in various digital systems requiring high drive capability and low propagation delay.
Q & A
- What is the primary function of the MC74AC244DTR2G?
The MC74AC244DTR2G is an octal buffer and line driver, designed for use as a memory address driver, clock driver, and bus-oriented transmitter/receiver.
- What are the key features of the MC74AC244DTR2G?
Key features include 3-State outputs, the ability to source/sink up to 24 mA, TTL compatible inputs for the MC74ACT244 version, and Pb-Free packaging.
- What are the typical operating voltage ranges for the MC74AC244DTR2G?
The DC supply voltage (VCC) ranges from −0.5 to +6.5 V, and the DC input voltage (VIN) ranges from −0.5 to VCC +0.5 V.
- What is the propagation delay of the MC74AC244DTR2G?
The propagation delay (tPLH, tPHL) ranges from 2.0 to 7.0 ns.
- What are the package options available for the MC74AC244DTR2G?
The component is available in TSSOP-20 and SOIC-20W packages.
- What is the maximum output current of the MC74AC244DTR2G?
The outputs can source/sink up to 24 mA.
- Is the MC74AC244DTR2G Pb-Free?
- What are the typical applications of the MC74AC244DTR2G?
Typical applications include memory address drivers, clock drivers, bus-oriented transmitters/receivers, and general-purpose buffering and line driving in digital circuits.
- What is the operating temperature range of the MC74AC244DTR2G?
The operating temperature range is −40°C to +85°C.
- How many channels does the MC74AC244DTR2G have?
The MC74AC244DTR2G has 8 channels.
