Overview
The MC74LCX244DTR2G is a high-performance, non-inverting octal buffer produced by onsemi. It operates from a supply voltage range of 2.3 to 5.5 volts, making it versatile for various applications. The device features high impedance TTL-compatible inputs, which reduce current loading on input drivers, and TTL-compatible outputs that enhance switching noise performance. It is particularly suitable for memory address driving and all TTL level bus-oriented transceiver applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage (VCC) | 2.3 to 5.5 | V |
| Input Voltage (VI) | −0.5 to +7.0 | V |
| Output Voltage (VO) | −0.5 to VCC + 0.5 | V |
| Output Current (IO) | ±24 | mA |
| Propagation Delay (tPLH, tPHL) | 1.5 to 7.8 | ns |
| Output Enable Time (tPZH, tPZL) | 1.5 to 10 | ns |
| Operating Temperature (TA) | −55 to +125 | °C |
| Package Type | TSSOP-20 | |
| ESD Performance | Human Body Model >2000V, Machine Model >200V |
Key Features
- Designed for 2.3 to 5.5V VCC operation
- 5V tolerant - interface capability with 5V TTL logic
- Supports live insertion and withdrawal
- IOFF specification guarantees high impedance when VCC = 0V
- LVTTL and LVCMOS compatible
- 24mA balanced output sink and source capability
- Near zero static supply current in all three logic states (10µA)
- Latchup performance exceeds 500mA
- Pb-free, halogen-free/BFR-free, and RoHS compliant packages
Applications
The MC74LCX244DTR2G is suitable for a variety of applications, including:
- Memory address driving
- TTL level bus-oriented transceiver applications
- Systems requiring low voltage operation and high output drive capability
- Automotive and other applications requiring AEC-Q100 qualified devices
Q & A
- What is the operating voltage range of the MC74LCX244DTR2G?
The MC74LCX244DTR2G operates from a supply voltage range of 2.3 to 5.5 volts.
- What is the output current capability of the MC74LCX244DTR2G?
The device has a balanced output sink and source capability of 24mA.
- Is the MC74LCX244DTR2G compatible with 5V TTL logic?
Yes, the MC74LCX244DTR2G is 5V tolerant and compatible with 5V TTL logic.
- What is the propagation delay of the MC74LCX244DTR2G?
The propagation delay (tPLH, tPHL) ranges from 1.5 to 7.8 ns.
- What is the operating temperature range of the MC74LCX244DTR2G?
The device operates over a temperature range of −55 to +125°C.
- Is the MC74LCX244DTR2G RoHS compliant?
Yes, the MC74LCX244DTR2G is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What package types are available for the MC74LCX244DTR2G?
The MC74LCX244DTR2G is available in TSSOP-20 and other package types such as SOIC-20W and QFN-20.
- What is the ESD performance of the MC74LCX244DTR2G?
The device has an ESD performance of >2000V for the Human Body Model and >200V for the Machine Model.
- Does the MC74LCX244DTR2G support live insertion and withdrawal?
Yes, the MC74LCX244DTR2G supports live insertion and withdrawal.
- What is the latchup performance of the MC74LCX244DTR2G?
The latchup performance exceeds 500mA.
