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Product Detailed Parameters
- Description：IC GATE NAND 4CH 2-INP 14SOIC
- Series：74AS
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Logic Type：NAND 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：4ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AS1000ADR is a catalog logic device containing four independent 2-input positive-NAND buffers/drivers. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating free-air temperature range from 0°C to 70°C. The component 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 1 ns and 4 ns under standard test conditions.
Feature Summary
- Contains four independent 2-input positive-NAND buffer/driver circuits
- Provides high capacitive-drive capability for demanding loads
- Supports plastic small-outline (D) package options
Applications
- Boolean logic implementation using Y = A · B or Y = A + B functions
- General-purpose digital signal processing in industrial environments
- High-speed data buffering applications
Procurement Notes
Verify the specific ordering suffix 'R' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the SOIC-14 physical dimensions align with the target printed circuit board layout specifications. Ensure the commercial temperature rating meets the operational environmental requirements of the final system design.
Selection Notes
Select this component when four independent NAND gates with high drive strength are required in a surface-mount configuration. Consider the AS logic series characteristics for speed and power consumption trade-offs compared to other families. Verify compatibility with existing system voltage levels and input/output voltage thresholds before integration into the circuit design.
Part Context
This part belongs to the Texas Instruments 74AS logic family, which provides advanced Schottky performance characteristics. The SN74AS1000A variant is specifically characterized for commercial temperature ranges, distinguishing it from the military-grade SN54AS1000A. It serves as a standard catalog product for general-purpose digital logic applications.
Replacement Considerations
SN74AS1000AD
FAQ
What Boolean function does the SN74AS1000ADR perform?
It performs the positive-NAND function, represented by Y = A · B or Y = A + B in positive logic.
How many independent gates are contained within this device?
The device contains four independent 2-input positive-NAND buffers/drivers.
