Overview
The 74ACT16244DLG4, produced by Texas Instruments, is a 16-bit buffer/line driver designed to enhance the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. This device is part of the Texas Instruments Widebus™ Family and utilizes the Enhanced-Performance Implanted CMOS (EPIC) 1-μm process. It can be configured as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer, providing true outputs and symmetrical (active-low) output-enable inputs.
Key Specifications
| Parameter | Unit | Min | Max |
|---|---|---|---|
| VCC (Supply Voltage) | V | 4.5 | 5.5 |
| VIH (High-Level Input Voltage) | V | 2 | 2 |
| VIL (Low-Level Input Voltage) | V | 0.8 | 0.8 |
| IOH (High-Level Output Current) | mA | -24 | -24 |
| IOL (Low-Level Output Current) | mA | 24 | 24 |
| TA (Operating Free-Air Temperature) | °C | -40 | 85 |
| Pins | 48 | ||
| Package Type | SSOP (DL) |
Key Features
- Members of the Texas Instruments Widebus™ Family
- Inputs are TTL-voltage compatible
- 3-state outputs drive bus lines or buffer memory address registers
- Flow-through architecture optimizes PCB layout
- Distributed VCC and GND pin configurations minimize high-speed switching noise
- EPIC (Enhanced-Performance Implanted CMOS) 1-μm process
- 500-mA typical latch-up immunity at 125°C
- Package options include plastic shrink small-outline (DL) and thin shrink small-outline (DGG) packages, and 380-mil fine-pitch ceramic flat (WD) packages using 25-mil center-to-center pin spacings
Applications
The 74ACT16244DLG4 is suitable for various applications including:
- 3-state memory address drivers
- Clock drivers
- Bus-oriented receivers and transmitters
- Buffering memory address registers
- High-density PCB designs requiring minimal noise and optimized layout
Q & A
- What is the primary function of the 74ACT16244DLG4?
The primary function of the 74ACT16244DLG4 is to act as a 16-bit buffer/line driver, enhancing the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- What are the possible configurations of the 74ACT16244DLG4?
The device can be configured as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer.
- What is the operating temperature range for the 74ACT16244DLG4?
The operating temperature range is from -40°C to 85°C.
- What type of process is used in the 74ACT16244DLG4?
The device uses the Enhanced-Performance Implanted CMOS (EPIC) 1-μm process.
- What are the key features of the package options for the 74ACT16244DLG4?
The package options include plastic shrink small-outline (DL) and thin shrink small-outline (DGG) packages, and 380-mil fine-pitch ceramic flat (WD) packages using 25-mil center-to-center pin spacings.
- How does the flow-through architecture benefit the PCB layout?
The flow-through architecture optimizes PCB layout by allowing for more efficient and compact designs.
- What is the significance of distributed VCC and GND pin configurations?
Distributed VCC and GND pin configurations minimize high-speed switching noise, enhancing the overall performance and reliability of the device.
- What is the typical latch-up immunity of the 74ACT16244DLG4?
The device has a typical latch-up immunity of 500 mA at 125°C.
- Are the inputs TTL-voltage compatible?
Yes, the inputs of the 74ACT16244DLG4 are TTL-voltage compatible.
- What is the high-level output current and low-level output current of the device?
The high-level output current is -24 mA, and the low-level output current is 24 mA.
