Overview
The MC74LCX240DTR2G, produced by onsemi, is a high-performance, inverting octal buffer designed to operate within a wide voltage range of 1.65 to 5.5 V. This component is part of the MC74LCX series and is known for its low-voltage CMOS technology, making it suitable for a variety of applications requiring high-speed and low-power consumption.
The device features 5 V tolerant inputs and outputs, enabling safe interface with 5 V TTL logic devices. It also supports live insertion and withdrawal, which is beneficial in dynamic system configurations. The MC74LCX240DTR2G is available in a TSSOP-20 package, which is Pb-free, halogen-free, and RoHS compliant.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 1.65 | - | 5.5 | V |
| VI (Digital Input Voltage) | 0 | - | 5.5 | V |
| VO (Output Voltage) | 0 | - | VCC + 0.5 | V |
| TA (Operating Temperature) | -40 | - | 125 | °C |
| IOH (Output Source Current) | -100 | - | -24 | mA |
| IOL (Output Sink Current) | 100 | - | 24 | mA |
| ICC (Quiescent Supply Current) | - | - | 10 | μA |
| tPLH, tPHL (Propagation Delay) | - | - | 10.3 (1.65-1.95 V) | ns |
| tPZH, tPZL (Output Enable Time) | - | - | 13.0 (1.65-1.95 V) | ns |
Key Features
- Designed for 1.65 to 5.5 V VCC operation
- 5 V tolerant inputs and outputs for compatibility 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 at 3 V
- Near zero static supply current in all three logic states, reducing system power requirements
- Latchup performance exceeds 100 mA
- ESD performance: Human Body Model >2000 V
- Pb-free, halogen-free, and RoHS compliant
Applications
The MC74LCX240DTR2G is suitable for various applications, including:
- Memory address driving
- TTL level bus-oriented transceiver applications
- Systems requiring high-speed and low-power consumption
- Dynamic system configurations where live insertion and withdrawal are necessary
Q & A
- What is the operating voltage range of the MC74LCX240DTR2G?
The MC74LCX240DTR2G operates from 1.65 to 5.5 V.
- Is the MC74LCX240DTR2G compatible with 5 V TTL logic?
- What is the maximum output current capability of the MC74LCX240DTR2G at 3 V?
The maximum output current capability is 24 mA at 3 V.
- What is the propagation delay of the MC74LCX240DTR2G at 1.65-1.95 V?
The propagation delay is up to 10.3 ns at 1.65-1.95 V.
- Is the MC74LCX240DTR2G RoHS compliant?
- What is the ESD performance of the MC74LCX240DTR2G?
The ESD performance exceeds 2000 V according to the Human Body Model.
- What are the package options for the MC74LCX240DTR2G?
The MC74LCX240DTR2G is available in a TSSOP-20 package.
- What is the quiescent supply current of the MC74LCX240DTR2G?
The quiescent supply current is up to 10 μA.
- Does the MC74LCX240DTR2G support live insertion and withdrawal?
- What are the typical applications of the MC74LCX240DTR2G?
The MC74LCX240DTR2G is suitable for memory address driving, TTL level bus-oriented transceiver applications, and systems requiring high-speed and low-power consumption.
