Overview
The MC74LCX244DWR2G, produced by onsemi, is a high-performance, non-inverting octal buffer designed to operate within a voltage range of 2.3 to 5.5 V. This component is part of the MC74LCX244 series and is packaged in a SOIC-20 WB (Pb-Free) format. It is characterized by its high impedance TTL compatible inputs and TTL compatible outputs, which significantly reduce current loading on input drivers and improve switching noise performance. The device supports live insertion and withdrawal, making it versatile for various applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VCC | DC Supply Voltage | -0.5 | 7.0 | V | |
| VI | DC Input Voltage | -0.5 | 7.0 | V | |
| VO | DC Output Voltage (3-State) | -0.5 | 7.0 | V | |
| VO | DC Output Voltage (HIGH or LOW State) | -0.5 | VCC + 0.5 | V | |
| IOH | HIGH Level Output Current (VCC = 3.0 V, IOH = -24 mA) | 1.5 | V | ||
| IOL | LOW Level Output Current (VCC = 3.0 V, IOL = 24 mA) | 0.4 | V | ||
| TA | Operating Free-Air Temperature | -55 | 125 | °C | |
| TSTG | Storage Temperature Range | -65 | 150 | °C |
Key Features
- Designed for 2.3 to 5.5 V VCC operation
- 5 V tolerant - interface capability with 5 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
- NLV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
- Pb-Free, Halogen Free/BFR Free, and RoHS compliant
Applications
The MC74LCX244DWR2G 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 compliance with automotive standards (AEC-Q100 qualified)
- Systems that require live insertion and withdrawal capabilities
Q & A
- What is the operating voltage range of the MC74LCX244DWR2G?
The MC74LCX244DWR2G operates from a 2.3 to 5.5 V supply voltage.
- What is the current drive capability of the MC74LCX244DWR2G?
The MC74LCX244DWR2G has a current drive capability of 24 mA at the outputs.
- Is the MC74LCX244DWR2G compatible with 5 V TTL logic?
Yes, the MC74LCX244DWR2G is 5 V tolerant and compatible with 5 V TTL logic.
- What is the purpose of the Output Enable (OE) input?
The Output Enable (OE) input, when HIGH, disables the output by placing them in a HIGH Z condition.
- What are the environmental operating conditions for the MC74LCX244DWR2G?
The operating free-air temperature range is -55°C to 125°C, and the storage temperature range is -65°C to 150°C.
- Is the MC74LCX244DWR2G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring high reliability.
- What is the ESD performance of the MC74LCX244DWR2G?
The ESD performance exceeds 2000 V for the Human Body Model and 200 V for the Machine Model.
- What is the latchup performance of the MC74LCX244DWR2G?
The latchup performance exceeds 500 mA.
- Is the MC74LCX244DWR2G RoHS compliant?
Yes, the MC74LCX244DWR2G is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What are the package options for the MC74LCX244DWR2G?
The MC74LCX244DWR2G is available in SOIC-20 WB (Pb-Free) format.
