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Product Detailed Parameters
- Description：IC TRANSLTR BIDIRECTIONAL SC70-6
- Series：74AVCH
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：1
- Channels per Circuit：1
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State, Non-Inverted
- Data Rate：380Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：-
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Voltage - VCCA：1.2 V ~ 3.6 V
- Voltage - VCCB：1.2 V ~ 3.6 V
- Grade：-
- Qualification：-
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Overview
The SN74AVCH1T45DCKTG4 is a single-bit dual-supply bus transceiver from Texas Instruments, housed in a 6-pin SC-70 package. It supports configurable voltage translation between VCCA and VCCB rails ranging from 1.2 V to 3.6 V. The device features a propagation delay of 5.6 ns and operates within an industrial temperature range of -40°C to +85°C. It includes active bus-hold circuitry for undriven inputs and Ioff support for partial power-down applications.
Feature Summary
- Configurable voltage translation between two independent power rails
- Active bus-hold circuitry maintains valid logic states on unused inputs
- Ioff circuit disables outputs to prevent damage during partial power-down
Applications
- Asynchronous communication between data buses
- Voltage level translation in portable systems
- Hot insertion applications requiring partial power-down support
Procurement Notes
Verify the complete part number including the G4 suffix for lead-free compliance. Confirm the SC-70 package type matches the design footprint. Ensure the operating voltage requirements align with the 1.2 V to 3.6 V specification. Check for RoHS compliance documentation if required by regional regulations.
Selection Notes
Select this component when a single bidirectional channel is required for low-voltage translation. The SC-70 package offers space efficiency for compact designs. The AVCH series provides enhanced performance compared to standard AVC variants. Verify that the DIR input control logic is compatible with the VCCA supply rail.
Part Context
This device belongs to the SN74AVCH1T45 family of single-bit dual-supply bus transceivers. It shares functional similarities with the SN74AVC1T45 but includes specific enhancements for high-speed operation and robust input handling. The DCKT designation indicates the SC-70 package and tape-and-reel packaging configuration.
Replacement Considerations
The SN74AVC1T45DCKR is a related variant within the same family. Verify compatibility regarding speed specifications and input characteristics before substitution.
