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Product Detailed Parameters
- Description：IC TXRX NON-INVERT 5.5V 20SOIC
- Series：74ALS
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：Transceiver, Non-Inverting
- Number of Elements：1
- Number of Bits per Element：8
- Input Type：-
- Output Type：3-State
- Current - Output High, Low：15mA, 24mA
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The SN74ALS245A-1DW is an octal bus transceiver manufactured by Texas Instruments, belonging to the 74ALS logic series. It features eight non-inverting bidirectional data paths with three-state outputs and a single direction control pin. The device operates within a supply voltage range of 4.5 V to 5.5 V and is housed in a 20-pin SOIC package. It supports an operating temperature range from 0°C to +70°C.
Feature Summary
- Provides eight bidirectional data paths for bus-oriented communication
- Features three-state outputs to isolate the device when disabled
- Includes a single direction control input to manage data flow
- Designed for low-voltage CMOS applications
Applications
- Memory map controllers
- Clock drivers
- Bus-oriented systems
Procurement Notes
Verify the specific suffix '1' indicates internal configuration or testing criteria as defined in the official datasheet. Confirm the package type matches the required PCB footprint. Check RoHS compliance status against current manufacturing standards. Ensure the operating temperature range meets system requirements.
Selection Notes
Select this component for designs requiring high-speed octal data transfer with low power consumption. Compare propagation delay characteristics against other 74-series families. Verify input/output voltage compatibility with connected logic devices. Consider the 20-pin SOIC package constraints for board layout.
Part Context
This part belongs to the Texas Instruments 74ALS (Advanced Low-power Schottky) family. It serves as a standard solution for bidirectional data transmission in digital systems. The device complements other 74-series logic components for comprehensive circuit design.
Replacement Considerations
SN74ALS245A-1DWR
FAQ
What is the function of the direction control pin?
The direction control pin determines the data flow direction between the A and B ports.
Does the device support bidirectional data transfer?
Yes, it provides eight bidirectional data paths controlled by the direction input.
