Overview
The SN74ALVTH16827DL is a 20-bit buffer/line driver produced by Texas Instruments, designed for operation in the 2.3-V to 3.6-V voltage range. This device is part of the Widebus™ family and utilizes Advanced BiCMOS Technology (ABT) for low static power dissipation and high performance. It is compatible with TTL interfaces in a 5-V system environment, making it versatile for various applications. The device is composed of two 10-bit sections, each with separate output-enable signals, allowing for precise control over the output states.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply Voltage Range (VCC) | 2.3 | 3.6 | V |
| Input Voltage Range (VI) | -0.5 | 4.6 | V |
| Output Voltage Range (VO) | -0.5 | VCC + 0.5 | V |
| Operating Temperature Range | -40 | 85 | °C |
| High-Level Output Current (IOH) at VCC = 3.3 V | -24 | -32/64 mA | mA |
| Low-Level Output Current (IOL) at VCC = 3.3 V | 24 | 32/64 mA | mA |
| Package Type | SSOP (DL) | ||
| Pins | 56 |
Key Features
- State-of-the-Art Advanced BiCMOS Technology (ABT) for low static power dissipation and high performance.
- Widebus™ design for 2.5-V and 3.3-V operation.
- Support for mixed-mode signal operation (5-V input and output voltages with 2.3-V to 3.6-V VCC).
- Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C.
- High drive capability (-24/24 mA at 2.5-V and -32/64 mA at 3.3-V VCC).
- Power off disables outputs, permitting live insertion.
- High-impedance state during power up and power down prevents driver conflict.
- Bus hold on data inputs eliminates the need for external pullup/pulldown resistors.
- Auto3-state eliminates bus current loading when output exceeds VCC + 0.5 V.
- Latch-up performance exceeds 250 mA per JESD 17.
- ESD protection exceeds 2000 V per MIL-STD-883, Method 3015.
- Flow-through architecture facilitates printed circuit board layout.
- Distributed VCC and GND pin configuration minimizes high-speed switching noise.
Applications
The SN74ALVTH16827DL is suitable for a variety of applications requiring high-speed, low-power buffer/line driver functionality. These include:
- High-speed data transmission systems.
- Mixed-voltage systems where compatibility with both 2.5-V and 3.3-V logic is necessary.
- Systems requiring low static power dissipation and high drive capability.
- Applications needing robust ESD protection and latch-up performance.
- Printed circuit boards where efficient layout and minimal switching noise are critical.
Q & A
- What is the operating voltage range of the SN74ALVTH16827DL?
The operating voltage range is from 2.3 V to 3.6 V.
- What is the package type and pin count of the SN74ALVTH16827DL?
The package type is SSOP (DL) with 56 pins.
- What is the operating temperature range of the SN74ALVTH16827DL?
The operating temperature range is from -40°C to 85°C.
- Does the SN74ALVTH16827DL support mixed-mode signal operation?
Yes, it supports mixed-mode signal operation with 5-V input and output voltages and 2.3-V to 3.6-V VCC.
- What is the high-level output current capability of the SN74ALVTH16827DL at 3.3 V VCC?
The high-level output current capability is -24 mA to -32/64 mA at 3.3 V VCC.
- Does the SN74ALVTH16827DL have ESD protection?
Yes, it has ESD protection that exceeds 2000 V per MIL-STD-883, Method 3015.
- How does the bus hold feature work on the SN74ALVTH16827DL?
The bus hold feature holds unused or floating data inputs at a valid logic level, eliminating the need for external pullup/pulldown resistors.
- What is the latch-up performance of the SN74ALVTH16827DL?
The latch-up performance exceeds 250 mA per JESD 17.
- Is the SN74ALVTH16827DL suitable for high-speed applications?
Yes, it is designed for high-speed applications with features like flow-through architecture and distributed VCC and GND pin configuration to minimize switching noise.
- Can the SN74ALVTH16827DL be used in live insertion scenarios?
Yes, the device disables outputs during power off, permitting live insertion.
