Overview
The MC74LCX244DTG is a high-performance, non-inverting octal buffer produced by onsemi. This device operates within a voltage range of 1.65 to 5.5 V, making it suitable for a variety of low-voltage applications. It features 3-state outputs and is designed to interface with both 3.3 V and 5 V signal environments, enhancing its versatility in different system designs.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| VCC (Supply Voltage) | 1.65 | - | 5.5 | V |
| VI (Input Voltage) | -0.5 | - | 7.0 | V |
| VO (Output Voltage) | -0.5 | - | VCC + 0.5 | V |
| IOH (HIGH Level Output Current) | -24 | - | -12 | mA (VCC = 3.0 V) |
| IOL (LOW Level Output Current) | 24 | - | 12 | mA (VCC = 3.0 V) |
| ICC (Supply Current) | - | 10 | - | μA |
| tPLH/tPHL (Propagation Delay) | 1.5 | - | 7.8 | ns (VCC = 3.3 V) |
| tPZH/tPZL (Output Enable Time) | 1.5 | - | 10 | ns (VCC = 3.3 V) |
| TA (Operating Temperature) | -55 | - | 125 | °C |
Key Features
- Designed for 1.65 to 5.5 V VCC operation
- 5 V tolerant inputs and outputs, allowing safe interface with 5 V devices
- LVTTL and LVCMOS compatible
- ±24 mA balanced output sink and source capability
- Near zero static supply current in all three logic states, reducing system power requirements
- Supports live insertion and withdrawal
- High impedance TTL compatible inputs to reduce current loading on input drivers
- ESD performance: Human Body Model >2000 V, Machine Model >200 V
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74LCX244DTG is suitable for various applications including:
- Memory address driving
- Bus-oriented transceiver applications
- Clock drivers
- Low-voltage VCC applications requiring interface with 5 V signal environments
- Automotive and other applications requiring unique site and control change requirements
Q & A
- What is the operating voltage range of the MC74LCX244DTG?
The MC74LCX244DTG operates within a voltage range of 1.65 to 5.5 V. - Is the MC74LCX244DTG compatible with 5 V devices?
Yes, the MC74LCX244DTG has 5 V tolerant inputs and outputs, allowing it to safely interface with 5 V devices. - What is the output drive capability of the MC74LCX244DTG?
The MC74LCX244DTG has a ±24 mA balanced output sink and source capability. - Does the MC74LCX244DTG support live insertion and withdrawal?
Yes, the MC74LCX244DTG supports live insertion and withdrawal. - What are the ESD protection levels of the MC74LCX244DTG?
The MC74LCX244DTG has ESD protection levels of >2000 V for the Human Body Model and >200 V for the Machine Model. - Is the MC74LCX244DTG RoHS compliant?
Yes, the MC74LCX244DTG is Pb-free, halogen-free/BFR-free, and RoHS compliant. - What are the typical applications of the MC74LCX244DTG?
The MC74LCX244DTG is typically used in memory address driving, bus-oriented transceiver applications, clock drivers, and low-voltage VCC applications. - What is the maximum propagation delay of the MC74LCX244DTG?
The maximum propagation delay (tPLH/tPHL) of the MC74LCX244DTG is 7.8 ns at VCC = 3.3 V. - Does the MC74LCX244DTG have any automotive qualifications?
Yes, the MC74LCX244DTG is AEC-Q100 qualified and PPAP capable for automotive and other critical applications. - What is the operating temperature range of the MC74LCX244DTG?
The operating temperature range of the MC74LCX244DTG is -55°C to 125°C.
