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MC74HC245AFG
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Product Detailed Parameters
- Description：IC TXRX NON-INVERT 6V SOEIAJ-20
- Series：74HC
- Mfr：onsemi
- Package：Tube,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：7.8mA, 7.8mA
- Voltage - Supply：2V ~ 6V
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：SOEIAJ-20
- Grade：-
- Qualification：-
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Overview
The MC74HC245AFG is an octal, 3-state non-inverting bus transceiver manufactured by onsemi. It operates within a supply voltage range of 2.0 V to 6.0 V and features CMOS input/output levels. The device provides bidirectional data transfer between two buses, controlled by a direction pin and an active-low output enable pin. It utilizes a 20-pin SOIC package and supports a maximum operating temperature of 125°C.
Feature Summary
- Octal 3-state non-inverting bus transceiver architecture
- Bidirectional data flow control via direction pin
- High noise immunity characteristic of CMOS devices
- Outputs directly interface with CMOS, NMOS, and TTL loads
Applications
- Two-way asynchronous communication between data buses
- Digital signal routing in high-performance systems
- Interface bridging between different logic families
Procurement Notes
Verify the specific suffix 'FG' against the official onsemi datasheet to confirm package type and material compliance. Ensure the component matches the required operating temperature range and voltage specifications for your application. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and current production status.
Selection Notes
Select this component when an octal bus transceiver with 3-state outputs is required for bidirectional data transfer. It is suitable for applications needing compatibility with standard CMOS outputs and LSTTL outputs when pull-up resistors are used. Consider the 2.0 V to 6.0 V operating voltage range and the 125°C maximum junction temperature for environmental suitability.
Part Context
This component belongs to the HC/UH series of logic ICs from onsemi. It is functionally identical in pinout to the LS245 but offers higher performance characteristics typical of Silicon-Gate CMOS technology. The device is designed for robust digital signal routing and is available in lead-free packages compliant with RoHS standards.
Replacement Considerations
The MC74HC245A is a related variant within the same family. Verify pinout compatibility and electrical specifications before substitution. Other manufacturers may offer equivalent parts under different part numbers; ensure all parameters match the original design requirements.
