Overview
The SN74LVC1G139DCUR is a 2-to-4 line decoder produced by Texas Instruments. This device is designed for high-performance memory-decoding or data-routing applications, particularly where very short propagation delay times are crucial. It operates over a wide supply voltage range from 1.65 V to 5.5 V, making it versatile for various system designs. The decoder uses NanoStar and NanoFree package technology, which utilizes the die as the package, enhancing its performance and reducing size.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 1.65 | - | 5.5 | V |
| Propagation Delay Time (tpd) at 3.3 V and 15 pF | 0.9 | - | 4.9 | ns |
| Output Drive at 3.3 V | - | - | ±24 | mA |
| Low Power Consumption (ICC) | - | - | 10 | µA |
| ESD Protection | - | - | 2000 (Human-Body Model), 200 (Machine Model), 1000 (Charged-Device Model) | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Types | - | - | SM8 (DCT), VSSOP (DCU), DSBGA (YZP) | - |
Key Features
- Supports 5-V VCC operation and inputs accepting voltages up to 5.5 V.
- Low power consumption with a maximum ICC of 10 µA.
- High output drive capability of ±24 mA at 3.3 V.
- Ioff circuitry supports live insertion, partial-power-down mode, and back-drive protection.
- ESD protection exceeds JESD22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
- NanoStar and NanoFree package technology for reduced size and enhanced performance.
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 systems and data-routing applications.
Q & A
- What is the operating voltage range of the SN74LVC1G139DCUR?
The SN74LVC1G139DCUR operates over a supply voltage range from 1.65 V to 5.5 V.
- What are the propagation delay times for this decoder?
The propagation delay times range from 0.9 ns to 4.9 ns at 3.3 V and 15 pF.
- What is the output drive capability of the SN74LVC1G139DCUR?
The device can produce up to ±24 mA of drive current at 3.3 V.
- Does the SN74LVC1G139DCUR support partial-power-down applications?
Yes, it supports partial-power-down applications using Ioff circuitry.
- What are the package types available for the SN74LVC1G139DCUR?
The device is available in SM8 (DCT), VSSOP (DCU), and DSBGA (YZP) packages.
- What is the operating temperature range of the SN74LVC1G139DCUR?
The operating temperature range is from -40°C to 85°C.
- What kind of ESD protection does the SN74LVC1G139DCUR offer?
The device offers ESD protection exceeding JESD22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
- How does the NanoStar and NanoFree package technology benefit the device?
The NanoStar and NanoFree package technology reduces the size of the device and enhances its performance by using the die as the package.
- What are some typical applications of the SN74LVC1G139DCUR?
Typical applications include AV receivers, SSDs, TVs, tablets, and video analytics servers.
- How does the SN74LVC1G139DCUR handle high-speed memory decoding?
The device is designed to minimize system decoding delays when used with high-speed memories, making the effective system delay introduced by the decoder negligible.
