Overview
The 74ACT11244DWR is an octal buffer/line driver with 3-state outputs, designed and manufactured by Texas Instruments. This device is part of the ACT series, known for its enhanced performance and compatibility with TTL voltage levels. It is optimized for improving the performance and density of memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The 74ACT11244DWR operates over a temperature range of −40°C to 85°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 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 | |
| Input Transition Rise or Fall Rate | 0 | 10 | ns/V | |
| Propagation Delay Time (tPLH, tPHL) | 1.5 | 6-9.9 | ns | |
| Output Enable Time (tPZH, tPZL) | 1.5 | 6.6-12.5 | ns | |
| Output Disable Time (tPHZ, tPLZ) | 1.5 | 7.4-11.2 | ns |
Key Features
- 3-state outputs to drive bus lines or buffer memory address registers
- Inputs are TTL-voltage compatible
- Flow-through architecture optimizes PCB layout
- Center-pin VCC and GND configurations to minimize high-speed switching noise
- EPIC (Enhanced-Performance Implanted CMOS) 1-μm process
- 500-mA typical latch-up immunity at 125°C
- Available in various package options: Plastic Small-Outline (DW), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW), and Standard Plastic 300-mil DIPs (NT)
Applications
- Memory address drivers
- Clock drivers
- Bus-oriented receivers and transmitters
- High-speed digital systems requiring low power consumption and high performance
- Systems needing 3-state output capabilities for bus management
Q & A
- What is the operating temperature range of the 74ACT11244DWR?
The operating temperature range is from −40°C to 85°C.
- What are the input voltage compatibility levels for this device?
The inputs are TTL-voltage compatible.
- What is the typical latch-up immunity of the 74ACT11244DWR at 125°C?
The typical latch-up immunity is 500 mA at 125°C.
- What are the available package options for the 74ACT11244DWR?
The device is available in Plastic Small-Outline (DW), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW), and Standard Plastic 300-mil DIPs (NT) packages.
- What is the maximum power dissipation for the DW package at TA = 55°C?
The maximum power dissipation for the DW package at TA = 55°C is 1.7 W.
- What is the propagation delay time (tPLH, tPHL) for the 74ACT11244DWR?
The propagation delay time (tPLH, tPHL) ranges from 1.5 ns to 9.9 ns.
- What is the output enable time (tPZH, tPZL) for the 74ACT11244DWR?
The output enable time (tPZH, tPZL) ranges from 1.5 ns to 12.5 ns.
- What is the output disable time (tPHZ, tPLZ) for the 74ACT11244DWR?
The output disable time (tPHZ, tPLZ) ranges from 1.5 ns to 11.2 ns.
- What are the typical applications of the 74ACT11244DWR?
The device is typically used in memory address drivers, clock drivers, bus-oriented receivers and transmitters, and high-speed digital systems.
- Is the 74ACT11244DWR RoHS compliant?
