Overview
The SN74AHC02-Q1, produced by Texas Instruments, is a quadruple 2-input positive-NOR gate integrated circuit. This device is specifically qualified for automotive applications and operates within a voltage range of 2 V to 5.5 V. It contains four independent 2-input NOR gates, each performing the Boolean function Y = A + B in positive logic. The SN74AHC02-Q1 is available in various packages, including TSSOP and WQFN, making it versatile for different design requirements.
Key Specifications
| Parameter | Min | Max | Unit | Conditions | |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | 2 | - | 5.5 | V | - |
| VIH (High-level Input Voltage) | 0.5 | - | 3.85 | V | VCC = 2 V to 5.5 V |
| VIL (Low-level Input Voltage) | 0.5 | - | 1.65 | V | VCC = 2 V to 5.5 V |
| VOH (High-level Output Voltage) | 1.9 | - | 4.4 | V | IOH = -50 μA, VCC = 2 V to 4.5 V |
| VOL (Low-level Output Voltage) | 0.1 | - | 0.1 | V | IOL = 50 μA, VCC = 2 V to 4.5 V |
| tPLH (Propagation Delay Time) | 3.6 | - | 6.5 | ns | CL = 15 pF, VCC = 5 V ± 0.5 V |
| tPHL (Propagation Delay Time) | 3.6 | - | 6.5 | ns | CL = 15 pF, VCC = 5 V ± 0.5 V |
| RθJA (Junction-to-ambient Thermal Resistance) | 88.3 | - | 147.7 | °C/W | WQFN and TSSOP packages |
Key Features
- Qualified for automotive applications
- Operating voltage range: 2 V to 5.5 V
- Four independent 2-input NOR gates performing the Boolean function Y = A + B in positive logic
- Available in TSSOP and WQFN packages
- Wide operating temperature range
- Low power consumption
- High-speed switching characteristics
Applications
- Digital logic circuits
- Automotive control systems
- Alarm and tamper detect circuits
- S-R latch implementations
- Industrial control applications
- Battery-powered equipment
Q & A
- What is the operating voltage range of the SN74AHC02-Q1? The operating voltage range is 2 V to 5.5 V.
- How many NOR gates are included in the SN74AHC02-Q1? The device contains four independent 2-input NOR gates.
- What is the Boolean function performed by each gate? Each gate performs the Boolean function Y = A + B in positive logic.
- What are the available package types for the SN74AHC02-Q1? The device is available in TSSOP and WQFN packages.
- What is the junction-to-ambient thermal resistance for the TSSOP package? The junction-to-ambient thermal resistance for the TSSOP package is 147.7 °C/W.
- What is the typical propagation delay time for the SN74AHC02-Q1 at VCC = 5 V and CL = 15 pF? The typical propagation delay time is 5.5 ns.
- Is the SN74AHC02-Q1 suitable for automotive applications? Yes, it is qualified for automotive applications.
- What is the maximum high-level output voltage at VCC = 4.5 V and IOH = -50 μA? The maximum high-level output voltage is 4.4 V.
- What is the minimum low-level output voltage at VCC = 2 V and IOL = 50 μA? The minimum low-level output voltage is 0.1 V.
- Can the SN74AHC02-Q1 be used in industrial control applications? Yes, it can be used in various industrial control applications.
