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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14DIP
- Series：74AS
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：48mA, 48mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：6ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Package / Case：14-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The SN74AS1008AN is a quadruple 2-input positive-AND buffer/driver from the Texas Instruments AS logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The device features high capacitive-drive capability with a low-level output current of 48 mA and a high-level output current of -48 mA. Propagation delay times are specified between 4 ns and 6 ns under standard load conditions.
Feature Summary
- Contains four independent 2-input positive-AND buffers/drivers
- Offers high capacitive-drive capability for robust signal transmission
- Performs Boolean functions Y = A • B or Y = A + B in positive logic
Applications
- High-speed digital buffering applications
- Positive logic circuit design requiring AND gate functionality
- Driver circuits for high-capacitive loads
Procurement Notes
Verify that the component matches the exact SN74AS1008AN designation, as suffixes indicate different package types such as SOIC (D) or PDIP (N). Confirm RoHS compliance status and lead finish specifications against the manufacturer's latest documentation before procurement. Ensure the supplier provides valid traceability data consistent with production standards.
Selection Notes
Select this component when high-speed AND logic is required alongside significant drive strength. The AS series offers faster propagation delays compared to standard TTL but consumes more power. Consider the PDIP package for through-hole mounting requirements while ensuring the 48 mA output current meets the specific load demands of the target application circuit.
Part Context
This part belongs to the Texas Instruments SN74AS1008A series, which represents the driver version of the AS08 logic family. The series is characterized by its high-speed performance and strong output drive capabilities, designed for demanding digital logic environments where signal integrity and speed are critical parameters.
Replacement Considerations
SN74AS1008AD
FAQ
What is the maximum recommended operating frequency for this device?
Functional operation above 40 MHz is not recommended due to the high sink- or source-current characteristics of the device.
How does the SN74AS1008AN perform Boolean operations?
It performs the Boolean function Y = A • B or Y = A + B in positive logic using its four independent 2-input gates.
