Overview
The MC74LCX16245DTG is a high-performance, non-inverting 16-bit transceiver produced by onsemi. This device operates from a supply voltage range of 2.3 to 3.6 V and is designed for low-voltage CMOS applications. It features byte-controlled operation, with each byte having separate Output Enable inputs that can be tied together for full 16-bit operation. The MC74LCX16245DTG is suitable for memory address driving and all TTL level bus-oriented transceiver applications, offering high impedance TTL compatible inputs and TTL compatible outputs for improved switching noise performance.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VCC Supply Voltage | Operating | 2.3 | - | 3.6 | V |
| VI Input Voltage | - | 0 | - | 5.5 | V |
| VO Output Voltage | High or Low State | 0 | - | VCC | V |
| IOH High Level Output Current | VCC = 3.0 V - 3.6 V | -24 | - | - | mA |
| IOL Low Level Output Current | VCC = 3.0 V - 3.6 V | 24 | - | - | mA |
| tpd Propagation Delay | - | - | - | 4.5 | ns |
| TA Operating Free-Air Temperature | - | -40 | - | 85 | °C |
Key Features
- Designed for 2.3 to 3.6 V VCC operation
- 4.5 ns maximum propagation delay
- 5.0 V tolerant inputs and outputs
- 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 and RoHS compliant
Applications
The MC74LCX16245DTG is suitable for a variety of applications, including memory address driving and all TTL level bus-oriented transceiver applications. Its high performance and low voltage operation make it ideal for use in high-speed data transmission systems, embedded systems, and other applications requiring reliable and efficient data transfer.
Q & A
- What is the operating voltage range of the MC74LCX16245DTG? The MC74LCX16245DTG operates from a supply voltage range of 2.3 to 3.6 V.
- What is the maximum propagation delay of the MC74LCX16245DTG? The maximum propagation delay is 4.5 ns.
- Is the MC74LCX16245DTG 5 V tolerant? Yes, the MC74LCX16245DTG has 5.0 V tolerant inputs and outputs.
- What is the output current capability of the MC74LCX16245DTG? The device has a 24 mA balanced output sink and source capability.
- Is the MC74LCX16245DTG Pb-free and RoHS compliant? Yes, the device is Pb-free and RoHS compliant.
- What are the operating temperature ranges for the MC74LCX16245DTG? The operating free-air temperature range is from -40°C to +85°C.
- How does the Transmit/Receive input affect data flow in the MC74LCX16245DTG? The Transmit/Receive (T/R) input determines the direction of data flow; Transmit (active-HIGH) enables data from A ports to B ports, and Receive (active-LOW) enables data from B to A ports.
- What is the effect of the Output Enable input on the MC74LCX16245DTG? When the Output Enable input (OEn) is HIGH, it disables both A and B ports by placing them in a HIGH Z condition.
- Is the MC74LCX16245DTG suitable for live insertion and withdrawal? Yes, the device supports live insertion and withdrawal.
- What are the ESD performance specifications of the MC74LCX16245DTG? The ESD performance is >2000 V for the Human Body Model and >200 V for the Machine Model.
