Overview
The SN74AHC1G32DCKTE4 is a single 2-input positive-OR gate produced by Texas Instruments. This device is part of the SN74AHC1G32 family and is packaged in a 5-pin SC70 (DCK) package. It operates within a wide voltage range of 2V to 5.5V, making it versatile for various applications. The device features low power consumption and high output drive capabilities, making it suitable for a range of digital logic circuits. Despite being marked as not recommended for new designs (NRND) and having a lifetime-buy period in effect, it remains a valuable component for existing and legacy systems.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Operating Voltage Range | 2 V to 5.5 V | V | |
| Maximum Propagation Delay (tpd) | 6.5 ns | ns | VCC = 5 V, CL = 15 pF |
| Supply Current (ICC) | 10 µA | µA | VCC = 5 V, IO = 0 |
| Output Drive Current | ±8 mA | mA | VCC = 5 V |
| Input Leakage Current | ±1 µA | µA | VI = 5.5 V or GND |
| Operating Free-Air Temperature | -40°C to 125°C | °C | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 293.4 °C/W | °C/W | DCK (SC70) package |
Key Features
- Wide operating voltage range: 2 V to 5.5 V
- Low power consumption: maximum supply current of 10 µA at 5 V
- High output drive: ±8 mA at 5 V
- Schmitt-trigger action at all inputs for tolerance to slower or noisier inputs
- Low drive and slow edge rates to minimize output ringing
- Input voltage tolerance up to 5.5 V at any valid VCC
- Latch-up performance exceeds 250 mA per JESD 17
Applications
- AV Receivers
- Portable Audio Docks
- Blu-Ray Players and Home Theaters
- MP3 Players and Recorders
- Personal Digital Assistants (PDAs)
- Telecom and Server AC DC Supply
- Single Controllers
- Analog and Digital Circuits
- Client and Enterprise Solid State Drives (SSDs)
- LCD and Digital TVs and High-Definition TVs (HDTVs)
- Enterprise Tablets
- Video Analytics Servers
- Wireless Headsets, Keyboards, and Mice
Q & A
- What is the operating voltage range of the SN74AHC1G32DCKTE4?
The operating voltage range is from 2 V to 5.5 V.
- What is the maximum propagation delay of the SN74AHC1G32DCKTE4 at 5 V?
The maximum propagation delay is 6.5 ns at 5 V with a load capacitance of 15 pF.
- How much current does the SN74AHC1G32DCKTE4 consume at 5 V?
The maximum supply current is 10 µA at 5 V.
- What is the output drive capability of the SN74AHC1G32DCKTE4 at 5 V?
The output drive capability is ±8 mA at 5 V.
- Does the SN74AHC1G32DCKTE4 have any special input features?
Yes, it has Schmitt-trigger action at all inputs, making it tolerant to slower or noisier inputs.
- What is the thermal resistance of the DCK (SC70) package?
The junction-to-ambient thermal resistance (RθJA) is 293.4 °C/W for the DCK (SC70) package.
- What are some common applications of the SN74AHC1G32DCKTE4?
Common applications include AV receivers, portable audio docks, Blu-Ray players, MP3 players, and various digital and analog circuits.
- Is the SN74AHC1G32DCKTE4 suitable for new designs?
No, it is marked as not recommended for new designs (NRND) and has a lifetime-buy period in effect.
- What is the latch-up performance of the SN74AHC1G32DCKTE4?
The latch-up performance exceeds 250 mA per JESD 17.
- How should unused inputs be handled on the SN74AHC1G32DCKTE4?
All unused inputs must be held at VCC or GND to ensure proper device operation.
