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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14WQFN
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 1.65V
- Input Logic Level - High：1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL：7.9ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-WQFN (3x2.5)
- Package / Case：14-WFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The SN74AHC08BQAR is a quadruple 2-input positive-AND gate from the Texas Instruments AHC logic family. It operates within a supply voltage range of 2V to 5.5V and supports an operating temperature range of -40°C to +125°C. The device features low drive capability with slow rise and fall times to minimize output signal ringing. It provides balanced output drive currents up to ±8mA at 5V and includes ESD protection exceeding JESD 22 standards.
Feature Summary
- Quadruple 2-input positive-AND gates performing Boolean function Y = A • B
- Low drive outputs with slow transition times to reduce signal ringing
- High impedance inputs when VCC = 0V
- ESD protection exceeding JESD 22 standards
Applications
- Servers
- Network Switches
- PCs and Notebooks
- Electronic Points of Sale
Procurement Notes
Verify the specific ordering suffix 'BQAR' corresponds to the WQFN package and tape-and-reel quantity. Confirm RoHS compliance status and lead finish details against the latest Package Option Addendum. Ensure the component meets the required moisture sensitivity level for your assembly process.
Selection Notes
Select this part for applications requiring multiple AND functions in a compact surface-mount footprint. The slow rise and fall times are suitable for reducing noise in sensitive circuits. Verify that the load capacitance and drive requirements align with the specified electrical characteristics for the target supply voltage.
Part Context
This component belongs to the SNx4AHC08 series, which includes variants in SOIC, SSOP, TSSOP, and VQFN packages. The BQA package designation indicates a 14-pin WQFN form factor with a body size of 3mm x 2.5mm. It shares functional compatibility with other AHC family members while offering distinct thermal and mechanical properties.
Replacement Considerations
SN74AHC08RGYR (VQFN package)
FAQ
How does the slow rise and fall time affect circuit performance?
The slow transition reduces ringing on the output signal, resulting in lower noise emissions.
What happens to the inputs when VCC is 0V?
The inputs maintain a high impedance state when the supply voltage is zero.
