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Product Detailed Parameters
- Description：IC TRANSLTR BIDIRECTIONAL 48SSOP
- Series：74FCT
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：2
- Channels per Circuit：8
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State, Non-Inverted
- Data Rate：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：-
- Mounting Type：Surface Mount
- Package / Case：48-BSSOP (0.295", 7.50mm Width)
- Supplier Device Package：48-SSOP
- Voltage - VCCA：2.7 V ~ 3.6 V
- Voltage - VCCB：4.5 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The Renesas Electronics Corporation 74FCT164245TPVG is a dual 8-bit bus transceiver belonging to the 74FCT logic series. It features 48-pin SSOP packaging with surface mount installation. The device supports bidirectional data transfer between two voltage domains, specifically VCCA ranging from 2.7V to 3.6V and VCCB from 4.5V to 5.5V. It provides non-inverting, three-state outputs with TTL input and output levels. Key electrical parameters include a maximum propagation delay of 5ns at 50pF load, a maximum low-level output current of 64mA, and a maximum high-level output current of -32mA. The component operates within a temperature range of -40°C to +85°C.
Feature Summary
- Supports bidirectional data transmission between mixed 3.3V and 5V logic systems
- Provides non-inverting, three-state outputs for controlled bus driving
- Compatible with TTL input and output signal levels
Applications
- Voltage level translation in mixed 3.3V/5V supply systems
- Memory address latching and I/O port implementation
- Bus driver applications requiring bidirectional data flow
Procurement Notes
Verify the manufacturer designation as Renesas Electronics Corporation or IDT, as both entities have produced this part number. Confirm the package type is 48-SSOP and the suffix TPVG matches the required reel or tube packaging configuration. Ensure the logic family is identified as 74FCT to guarantee correct voltage compatibility and performance characteristics for your specific design requirements.
Selection Notes
Select this component when interfacing between 3.3V and 5V logic domains is required. The 74FCT series offers faster switching speeds compared to standard CMOS alternatives. Verify that the system operates within the specified VCCA and VCCB voltage ranges. Consider the 48-pin SSOP footprint for PCB layout constraints. Ensure the application does not exceed the maximum output current ratings of 64mA (low) and 32mA (high).
Part Context
This component is part of the broader 74FCT logic family, which bridges the speed of bipolar logic with the power efficiency of CMOS technology. Renesas Electronics acquired IDT, leading to shared part numbers across both brands. The 74FCT164245 is specifically designed for high-speed bidirectional data transfer, making it suitable for complex digital systems requiring reliable voltage translation between different power rails.
Replacement Considerations
Publicly confirmed substitute part numbers include SN74LVC16T245DL and SN74LVC16T245DLR from Texas Instruments. These are listed as direct replacements. Verify pinout compatibility and voltage level specifications before substitution.
