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1. Description
This single Schmitt-trigger inverter is designed for 1.65-V to 5.5-V VCC operation. The SN74LVC1G14DBVR device contains one inverter and performs the Boolean function Y = A. The device functions as an independent inverter with Schmitttrigger inputs, so the device has different input threshold levels for positive-going (VT+) and negativegoing (VT– ) signals to provide hysteresis (ΔVT) which makes the device tolerant to slow or noisy input signals. NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs when the device is powered down. This inhibits current backflow into the device which prevents damage to the device.
2. Features
1. Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
2. ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
3. Available in the Texas Instruments NanoFree™ Package
4. Supports 5-V VCC Operation
5. Inputs Accept Voltages to 5.5 V
6. Max tpd of 4.6 ns at 3.3 V
7. Low Power Consumption, 10-µA Max ICC
8. ±24-mA Output Drive at 3.3 V
9. Ioff Supports Partial-Power-Down Mode Operation
3. Applications
1. AV Receiver
2. Audio Dock: Portable
3. Blu-ray Player and Home Theater
4. Embedded PC
5. MP3 Player/Recorder (Portable Audio)
6. Personal Digital Assistant (PDA)
7. Power: Telecom/Server AC/DC Supply: Single Controller: Analog and Digital
8. Solid State Drive (SSD): Client and Enterprise
9. TV: LCD/Digital and High-Definition (HDTV)
10. Tablet: Enterprise
11. Video Analytics: Server
12. Wireless Headset, Keyboard, and Mouse
4. Pin Configuration
5. Pin Functions
6. Application Information
Mechanical input elements, such as push buttons or rotary knobs, offer simple ways to interact with electronic systems. Typically, these elements have recoil or bouncing, where the mechanical element makes and breaks contact multiple times during human interaction. This bouncing can cause one or more repeated signals to be passed, triggering multiple actions when only a single input was intended. One potential solution to mitigating these multiple inputs is by utilizing a Schmitt-trigger to create a debounce circuit.
