Overview
The SN74LVC1G97DCKRE4, produced by Texas Instruments, is a configurable multiple-function gate that offers a high degree of flexibility in digital logic applications. This device is part of the 74LVC series and is designed to operate over a wide voltage range of 1.65 V to 5.5 V, making it suitable for a broad range of systems. The SN74LVC1G97 features eight patterns of 3-bit input that determine the output state, allowing users to configure various logic functions such as AND, OR, NAND, NOR, inverter, and noninverter. This device is particularly useful in applications requiring dynamic logic configuration and is fully specified for partial-power-down applications using Ioff circuitry, which prevents damaging current backflow when the device is powered down.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| VCC Operating Voltage Range | V | 1.65 | - | 5.5 |
| Input Voltage Range | V | -0.5 | - | 5.5 |
| Propagation Delay (tpd) at VCC = 3.3 V | ns | 1.5 | - | 6.3 |
| Output Drive at VCC = 3.3 V | mA | -24 | - | 24 |
| Low Power Consumption (ICC) | µA | - | - | 10 |
| Operating Temperature Range | °C | -40 | - | 125 |
| Junction-to-Ambient Thermal Resistance (RθJA) | °C/W | 142 | - | 259 |
Key Features
- Configurable multiple functions: Supports various logic functions such as MUX, AND, OR, NAND, NOR, inverter, and noninverter.
- Wide operating VCC range: 1.65 V to 5.5 V, allowing use in a broad range of systems.
- ESD Protection: Exceeds JESD 22 standards for human body model, machine model, and charged-device model.
- Low Power Consumption: Maximum ICC of 10 µA.
- High Output Drive: ±24 mA 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.
- Schmitt Action: Different input threshold levels for positive-going and negative-going signals.
- NanoFree Package Technology: Uses the die as the package, reducing size and enhancing performance.
Applications
- Barcode Scanners
- Cable Solutions
- E-Books
- Embedded PCs
- Field Transmitters: Temperature or Pressure Sensors
- Fingerprint Biometrics
- HVAC: Heating, Ventilating, and Air Conditioning
- Network-Attached Storage (NAS)
- Server Motherboards and PSUs
- Software Defined Radios (SDR)
- TVs: High Definition (HDTV), LCD, and Digital
- Video Communications Systems
- Wireless Data Access Cards, Headsets, Keyboard, Mouse, and LAN Cards
Q & A
- What is the operating voltage range of the SN74LVC1G97?
The SN74LVC1G97 operates over a voltage range of 1.65 V to 5.5 V.
- What types of logic functions can the SN74LVC1G97 perform?
The device can perform various logic functions including MUX, AND, OR, NAND, NOR, inverter, and noninverter.
- What is the propagation delay of the SN74LVC1G97 at VCC = 3.3 V?
The propagation delay at VCC = 3.3 V is between 1.5 ns and 6.3 ns.
- Does the SN74LVC1G97 support partial-power-down applications?
- What is the maximum output drive current of the SN74LVC1G97 at VCC = 3.3 V?
The maximum output drive current is ±24 mA at VCC = 3.3 V.
- What is the thermal resistance (RθJA) of the SN74LVC1G97 in different packages?
The RθJA varies by package, ranging from 142 °C/W to 259 °C/W.
- What are the ESD protection capabilities of the SN74LVC1G97?
The device exceeds JESD 22 standards for human body model, machine model, and charged-device model.
- Can the inputs of the SN74LVC1G97 accept voltages higher than VCC?
- What is the purpose of the Ioff circuitry in the SN74LVC1G97?
The Ioff circuitry disables the outputs to prevent damaging current backflow when the device is powered down.
- What are some common applications of the SN74LVC1G97?
The device is used in various applications including barcode scanners, embedded PCs, field transmitters, and video communications systems.
