Overview
The SN74LVC1G139DCTR is a 2-line to 4-line decoder designed by Texas Instruments for high-performance memory-decoding or data-routing applications. This device operates within a supply voltage range of 1.65 V to 5.5 V, making it versatile for various system designs. It is particularly useful in minimizing the effects of system decoding in high-performance memory systems, ensuring that the effective system delay introduced by the decoder is negligible when used with high-speed memories and fast enable circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SSOP (DCT) | |
| Pins | 8 | |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 1.65 to 5.5 | V |
| Maximum Propagation Delay Time at 3.3 V and 15 pF | 4.9 | ns |
| Maximum ICC (Supply Current) | 10 | µA |
| Output Drive at 3.3 V | ±24 | mA |
| ESD Protection | 2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model |
Key Features
- Available in Texas Instruments NanoStar™ and NanoFree™ Packages
- Supports 5-V VCC operation and inputs accepting voltages up to 5.5 V
- Supports down translation to VCC
- Low power consumption with a maximum ICC of 10 µA
- ±24-mA output drive at 3.3 V
- Ioff supports live insertion, partial-power-down mode, and back-drive protection
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- ESD protection exceeds JESD22 standards
Applications
- AV Receivers
- Solid State Drives (SSDs): Client and Enterprise
- TVs: LCD, Digital, and High-Definition (HD)
- Tablets: Enterprise
- Video Analytics: Server
- High-performance memory-decoding or data-routing applications
Q & A
- What is the primary function of the SN74LVC1G139DCTR?
The SN74LVC1G139DCTR is a 2-line to 4-line decoder, designed to decode a 2-bit input to one of four outputs.
- What is the operating temperature range of the SN74LVC1G139DCTR?
The operating temperature range is -40°C to 85°C.
- What are the supported supply voltage ranges for this device?
The device supports supply voltages from 1.65 V to 5.5 V.
- What is the maximum propagation delay time at 3.3 V and 15 pF?
The maximum propagation delay time is 4.9 ns at 3.3 V and 15 pF.
- What is the maximum output drive current at 3.3 V?
The maximum output drive current is ±24 mA at 3.3 V.
- Does the SN74LVC1G139DCTR support partial-power-down applications?
- What kind of ESD protection does the SN74LVC1G139DCTR offer?
The device offers ESD protection exceeding JESD22 standards, including 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model.
- In what packages is the SN74LVC1G139 available?
The device is available in SSOP (DCT), VSSOP (DCU), and DSBGA (YZP) packages.
- What are some typical applications of the SN74LVC1G139DCTR?
Typical applications include AV receivers, SSDs, TVs, tablets, and video analytics servers, as well as high-performance memory-decoding or data-routing applications.
- How does the NanoStar and NanoFree package technology benefit the device?
The NanoStar and NanoFree package technology uses the die as the package, which is a major breakthrough in device packaging concepts, enhancing the device's performance and efficiency.
