Overview
The MC74LCX373DTR2G is a high-performance, non-inverting octal transparent latch produced by onsemi. This component operates within a voltage range of 2.3 to 3.6 V and is designed for low-voltage CMOS applications. It features 5 V-tolerant inputs and outputs, making it compatible with 5 V TTL logic. The device includes 8 D-type latches with 3-state outputs, enabling it to store and transmit data efficiently. Although this device is discontinued and not recommended for new designs, it remains relevant for existing systems and legacy applications.
Key Specifications
| Parameter | Min | Typ | Max | Units | Condition |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | 2.3 | - | 3.6 | V | Operating |
| VI (Input Voltage) | -0.5 | - | 7.0 | V | - |
| VO (Output Voltage) | -0.5 | - | VCC + 0.5 | V | Output in HIGH or LOW State |
| VIH (HIGH Level Input Voltage) | 1.7 | - | 2.7 | V | 2.3 V ≤ VCC ≤ 2.7 V |
| VIL (LOW Level Input Voltage) | 0.7 | - | 0.8 | V | 2.3 V ≤ VCC ≤ 2.7 V |
| IOH (HIGH Level Output Current) | -24 | - | -8 | mA | VCC = 3.0 V to 3.6 V |
| IOL (LOW Level Output Current) | 8 | - | 24 | mA | VCC = 3.0 V to 3.6 V |
| ICC (Quiescent Supply Current) | - | - | 10 | μA | VCC = 3.6 V, VIN = 5.5 V or GND |
| TA (Operating Free-Air Temperature) | -40 | - | 85 | °C | - |
Key Features
- Designed for 2.3 to 3.6 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
- Near zero static supply current in all three logic states, reducing system power requirements
- Latchup performance exceeds 500 mA
- ESD performance: Human Body Model >2000 V, Machine Model >200 V
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74LCX373DTR2G is suitable for various applications requiring low-voltage CMOS logic, including:
- Automotive systems
- Industrial control systems
- Consumer electronics
- Telecommunications equipment
- Any system requiring 5 V tolerant inputs and outputs with low power consumption
Q & A
- What is the operating voltage range of the MC74LCX373DTR2G?
The operating voltage range is from 2.3 to 3.6 V.
- Is the MC74LCX373DTR2G compatible with 5 V TTL logic?
- What is the maximum output current of the MC74LCX373DTR2G?
The maximum output current is 24 mA for both sink and source.
- What is the quiescent supply current of the MC74LCX373DTR2G?
The quiescent supply current is typically 10 μA.
- Is the MC74LCX373DTR2G RoHS compliant?
- What are the package options for the MC74LCX373DTR2G?
The device is available in SOIC-20 WB and TSSOP-20 packages.
- What is the ESD performance of the MC74LCX373DTR2G?
The ESD performance is >2000 V for the Human Body Model and >200 V for the Machine Model.
- Is the MC74LCX373DTR2G suitable for automotive applications?
- What is the maximum operating temperature of the MC74LCX373DTR2G?
- Why is the MC74LCX373DTR2G not recommended for new designs?
