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Product Detailed Parameters
- Description：IC TRANSLATOR BIDIRECTIONAL SM8
- Series：74AVCH
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Translator Type：Voltage Level
- Channel Type：Bidirectional
- Number of Circuits：1
- Channels per Circuit：2
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State, Non-Inverted
- Data Rate：500Mbps
- Operating Temperature：-40°C ~ 85°C (TA)
- Features：-
- Mounting Type：Surface Mount
- Package / Case：8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
- Supplier Device Package：SM8
- Voltage - VCCA：1.2 V ~ 3.6 V
- Voltage - VCCB：1.2 V ~ 3.6 V
- Grade：-
- Qualification：-
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Overview
The SN74AVCH2T45DCTTG4 is a dual-bit, dual-supply bus transceiver featuring configurable voltage translation and three-state outputs. It operates with VCCA and VCCB supply voltages ranging from 1.2 V to 3.6 V. The device supports bidirectional data transfer between two independent buses with a maximum data rate of 500 Mbps. It utilizes an SM-8 (MSOP) package and functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Configurable voltage translation allows operation across varying supply rails on both ports.
- Bidirectional data transfer capability enables asynchronous communication between buses.
- Three-state outputs provide high-impedance states for effective bus isolation.
Applications
- Mobile applications requiring low-voltage level shifting
- Consumer electronics utilizing mixed voltage domains
- Industrial control systems with isolated bus segments
Procurement Notes
Verify the specific suffix 'G4' indicates RoHS compliance and green material status as per Texas Instruments standards. Confirm the package designation matches the required SM-8 footprint for PCB layout compatibility. Ensure the ordering part number aligns with current manufacturer revisions to avoid obsolete stock issues during production.
Selection Notes
Select this component when interfacing logic families operating at different voltage levels within the 1.2 V to 3.6 V range. The dual-supply architecture supports flexible power domain management. Consider the 500 Mbps data rate limit for high-speed signal integrity requirements in compact surface-mount designs.
Part Context
This device belongs to the SN74AVCH series of advanced CMOS logic components. It is designed for low-power applications requiring efficient voltage translation without external resistors. The family emphasizes small form factors and reliable performance in portable electronic devices.
Replacement Considerations
SN74AVCH2T45DCTT is the non-RoHS variant. SN74AVC2T45 offers similar functionality but may differ in speed or power characteristics. Verify pinout and electrical specifications before substituting with other manufacturers' equivalents.
