Overview
The SN74LVC1G32DCK3 is a single 2-input positive-OR gate device produced by Texas Instruments. This CMOS device is part of the LVC (Low-Voltage CMOS) family and is designed for a wide range of operating voltages from 1.65 V to 5.5 V. It is available in the SC70 (DCK) package, which is a compact 5-pin package measuring 2.00 mm × 2.10 mm. The device is fully specified for partial-power-down applications and features high output drive while maintaining low static power dissipation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| VCC Operating Voltage | 1.65 | 5.5 | V | ||
| Input Voltage (VI) | 0 | 5.5 | V | ||
| High-Level Input Voltage (VIH) | 0.65 × VCC | 1.7 × VCC | V | VCC = 1.65 V to 5.5 V | |
| Low-Level Input Voltage (VIL) | 0.35 × VCC | 0.3 × VCC | V | VCC = 1.65 V to 5.5 V | |
| High-Level Output Current (IOH) | -4 | -32 | mA | VCC = 1.65 V to 5.5 V | |
| Low-Level Output Current (IOL) | 4 | 32 | mA | VCC = 1.65 V to 5.5 V | |
| Propagation Delay Time (tpd) | 1.1 | 4.5 | ns | VCC = 3.3 V, CL = 15 pF | |
| Operating Free-Air Temperature (TA) | -40 | 125 | °C |
Key Features
- Wide operating voltage range: 1.65 V to 5.5 V
- Inputs accept voltages up to 5.5 V
- Supports down translation to VCC
- High output drive: up to 24 mA at 3.3 V
- Low power consumption: 10 µA max ICC
- Ioff feature supports live insertion, partial-power-down mode, and back-drive protection
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- Available in ultra-small packages, including SC70 (DCK) and others
Applications
The SN74LVC1G32DCK3 is suitable for various applications requiring high drive CMOS logic with a wide operating voltage range. It is ideal for:
- Implementing OR logic in high-speed applications up to 100 MHz
- Driving multiple outputs, such as LEDs
- Partial-power-down applications due to its Ioff feature
- Systems requiring down voltage translation
Q & A
- What is the operating voltage range of the SN74LVC1G32DCK3?
The operating voltage range is from 1.65 V to 5.5 V.
- What is the maximum propagation delay time for this device?
The maximum propagation delay time is 4.5 ns at VCC = 3.3 V and CL = 15 pF.
- How much output current can the SN74LVC1G32DCK3 drive?
The device can drive up to 24 mA at 3.3 V.
- What is the Ioff feature and its significance?
The Ioff feature disables the outputs when VCC is 0 V, preventing damaging current backflow through the device during partial-power-down applications.
- What are the thermal limits for this device?
The operating free-air temperature range is -40°C to 125°C.
- What package options are available for the SN74LVC1G32?
The device is available in several packages, including SC70 (DCK), SOT-23, SON, and others.
- Can the inputs of the SN74LVC1G32DCK3 handle voltages higher than VCC?
Yes, the inputs can accept voltages up to 5.5 V.
- What is the significance of the latch-up performance of this device?
The latch-up performance exceeds 100 mA per JESD 78, Class II, ensuring robust operation.
- How does the device handle power consumption?
The device has low power consumption, with a maximum ICC of 10 µA.
- What are some typical applications for the SN74LVC1G32DCK3?
Typical applications include implementing OR logic in high-speed applications, driving LEDs, and partial-power-down applications.
