Overview
The SN74ALVTH16827DLR is a 20-bit buffer/line driver integrated circuit produced by Texas Instruments. This device is designed for operation at 2.5-V or 3.3-V supply voltages but can also interface with 5-V system environments, making it versatile for mixed-mode signal operations. The SN74ALVTH16827DLR features Advanced BiCMOS Technology (ABT) and is part of the Widebus™ family, known for low static power dissipation and high drive capabilities. Although this product is currently obsolete and no longer in production, it remains relevant for existing designs and legacy systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SSOP (DL) |
| Number of Pins | 56 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage Range (V) | 2.3 to 3.6 |
| Output Drive Capability (mA) | -24/24 at 2.5 V, -32/64 at 3.3 V |
| ESD Protection (V) | Exceeds 2000 V per MIL-STD-883, Method 3015 |
| Latch-Up Performance (mA) | Exceeds 250 mA per JESD 17 |
Key Features
- State-of-the-Art Advanced BiCMOS Technology (ABT)
- Widebus™ Design for 2.5-V and 3.3-V Operation and Low Static Power Dissipation
- 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 Capabilities (-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
- Active Bus-Hold Circuitry to Prevent Floating Data Inputs
- Auto3-State Eliminates Bus Current Loading When Output Exceeds VCC + 0.5 V
- Flow-Through Architecture Facilitates Printed Circuit Board Layout
- Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
Applications
The SN74ALVTH16827DLR is suitable for a variety of applications that require high-drive buffer/line drivers with 3-state outputs. These include:
- High-speed data transmission systems
- Mixed-voltage system interfaces
- Industrial control systems
- Automotive electronics
- Telecommunication equipment
Q & A
- What is the primary function of the SN74ALVTH16827DLR?
The SN74ALVTH16827DLR is a 20-bit buffer/line driver designed for high-speed data transmission and mixed-voltage system interfaces.
- What are the operating voltage ranges for the SN74ALVTH16827DLR?
The device operates with supply voltages ranging from 2.3 V to 3.6 V.
- What is the significance of the bus-hold feature in the SN74ALVTH16827DLR?
The bus-hold feature holds unused or floating data inputs at a valid logic level, preventing the bus from floating.
- How does the SN74ALVTH16827DLR handle power-up and power-down states?
The device enters a high-impedance state during power-up and power-down to prevent driver conflict.
- What are the ESD protection capabilities of the SN74ALVTH16827DLR?
The device exceeds 2000 V ESD protection per MIL-STD-883, Method 3015.
- Is the SN74ALVTH16827DLR still in production?
No, the SN74ALVTH16827DLR is obsolete and no longer manufactured.
- What are the output drive capabilities of the SN74ALVTH16827DLR?
The device can drive up to -24/24 mA at 2.5 V and -32/64 mA at 3.3 V VCC.
- How does the flow-through architecture benefit the SN74ALVTH16827DLR?
The flow-through architecture facilitates easier printed circuit board layout.
- What is the operating temperature range for the SN74ALVTH16827DLR?
The device operates from -40°C to 85°C.
- What package options are available for the SN74ALVTH16827DLR?
Package options include SSOP (DL), Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV), and 380-mil Fine-Pitch Ceramic Flat (WD) packages.
