Overview
The 74ACT16374DLRG4, produced by Texas Instruments, is a 16-bit D-type edge-triggered flip-flop with 3-state outputs. This component is part of the Texas Instruments Widebus family and is designed to drive highly-capacitive or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The device can be used as two 8-bit flip-flops or one 16-bit flip-flop, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| High-Level Input Voltage (VIH) | 2 | V | ||
| Low-Level Input Voltage (VIL) | 0.8 | V | ||
| High-Level Output Current (IOH) | -24 | mA | ||
| Low-Level Output Current (IOL) | 24 | mA | ||
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | |
| Clock Frequency (fclock) | 0 | 65 | MHz | |
| Pulse Duration CLK Low (tw) | 7.5 | ns | ||
| Pulse Duration CLK High (tw) | 4.5 | ns | ||
| Setup Time, Data Before CLK↑ (tsu) | 6.5 | ns | ||
| Hold Time, Data After CLK↑ (th) | 1 | ns |
Key Features
- 16-bit D-type edge-triggered flip-flops with 3-state outputs.
- Inputs are TTL-voltage compatible.
- 3-state bus-driving true outputs.
- Flow-through architecture optimizes PCB layout.
- Distributed center-pin VCC and GND configurations minimize high-speed switching noise.
- EPIC (Enhanced-Performance Implanted CMOS) 1-μm process.
- 500-mA typical latch-up immunity at 125°C.
- Output-enable input (OE) to place outputs in either normal logic state or high-impedance state.
- Packaged in TI’s shrink small-outline package (SSOP) for increased I/O pin count and functionality.
Applications
- Implementing buffer registers.
- I/O ports.
- Bidirectional bus drivers.
- Working registers.
- Driving highly-capacitive or relatively low-impedance loads.
Q & A
- What is the 74ACT16374DLRG4 used for?
The 74ACT16374DLRG4 is used for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers, and for driving highly-capacitive or relatively low-impedance loads.
- What is the operating temperature range of the 74ACT16374DLRG4?
The operating temperature range is from -40°C to 85°C.
- What is the maximum clock frequency of the 74ACT16374DLRG4?
The maximum clock frequency is 65 MHz.
- What type of package is the 74ACT16374DLRG4 available in?
The component is available in a shrink small-outline package (SSOP).
- What is the purpose of the output-enable input (OE) in the 74ACT16374DLRG4?
The output-enable input (OE) is used to place the outputs in either a normal logic state or the high-impedance state.
- What is the significance of the EPIC process used in the 74ACT16374DLRG4?
The EPIC (Enhanced-Performance Implanted CMOS) 1-μm process enhances the performance and reliability of the device.
- How does the distributed center-pin VCC and GND configuration benefit the 74ACT16374DLRG4?
This configuration minimizes high-speed switching noise.
- What is the typical latch-up immunity of the 74ACT16374DLRG4 at 125°C?
The typical latch-up immunity is 500 mA.
- Can the 74ACT16374DLRG4 be used as multiple flip-flops?
Yes, it can be used as two 8-bit flip-flops or one 16-bit flip-flop.
- What is the significance of the flow-through architecture in the 74ACT16374DLRG4?
The flow-through architecture optimizes PCB layout.
- Are the inputs of the 74ACT16374DLRG4 TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible.
