Overview
The MC74LCX16373DTG is a high-performance, non-inverting 16-bit transparent latch produced by onsemi. This device operates within a voltage range of 2.3 V to 3.6 V, making it suitable for low-voltage CMOS applications. It features byte-controlled operation with separate Output Enable and Latch Enable inputs for each byte, allowing for flexible control over data latching and output states. The MC74LCX16373DTG is designed to interface with 5.0 V TTL logic and supports live insertion and withdrawal, enhancing its usability in various digital systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| VCC (Supply Voltage) | 2.3 | - | 3.6 | V |
| VI (Input Voltage) | 0 | - | 5.5 | V |
| VO (Output Voltage) | 0 | - | VCC + 0.5 | V |
| tPLH (Propagation Delay Dn to On) | 1.5 | - | 5.4 | ns |
| tPHL (Propagation Delay Dn to On) | 1.5 | - | 5.4 | ns |
| IOH (HIGH Level Output Current) | -24 | - | -8 | mA |
| IOL (LOW Level Output Current) | 8 | - | 24 | mA |
| ICC (Quiescent Supply Current) | - | - | 20 | μA |
| TA (Operating Free-Air Temperature) | -55 | - | 125 | °C |
Key Features
- Designed for 2.3 to 3.6 V VCC operation
- 5.4 ns maximum propagation delay
- 5.0 V tolerant inputs and outputs for compatibility with 5.0 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 (20 μA)
- Latchup performance exceeds 500 mA
- ESD performance: Human Body Model >2000 V, Machine Model >200 V
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74LCX16373DTG is suitable for a variety of digital systems requiring low-voltage operation and high-performance data latching. It can be used in:
- Low-voltage CMOS logic circuits
- Interface applications between 3.3 V and 5.0 V logic systems
- Systems requiring live insertion and withdrawal capabilities
- High-speed digital data processing and storage
- Embedded systems and microcontrollers
Q & A
- What is the operating voltage range of the MC74LCX16373DTG?
The MC74LCX16373DTG operates within a voltage range of 2.3 V to 3.6 V.
- What is the maximum propagation delay of the MC74LCX16373DTG?
The maximum propagation delay is 5.4 ns.
- Is the MC74LCX16373DTG compatible with 5.0 V TTL logic?
Yes, it is 5.0 V tolerant on both inputs and outputs.
- Does the MC74LCX16373DTG support live insertion and withdrawal?
Yes, it supports live insertion and withdrawal.
- What is the quiescent supply current of the MC74LCX16373DTG?
The quiescent supply current is approximately 20 μA.
- Is the MC74LCX16373DTG RoHS compliant?
Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What are the ESD performance specifications of the MC74LCX16373DTG?
The ESD performance is >2000 V for the Human Body Model and >200 V for the Machine Model.
- What is the output current capability of the MC74LCX16373DTG?
The output current capability is up to 24 mA for sinking and 24 mA for sourcing.
- What is the latchup performance of the MC74LCX16373DTG?
The latchup performance exceeds 500 mA.
- What are the recommended operating conditions for the MC74LCX16373DTG?
The recommended operating conditions include a supply voltage of 2.3 V to 3.6 V and an operating free-air temperature range of -55°C to 125°C.
