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Product Detailed Parameters
- Description：IC TRANSLATOR BIDIR 48TSSOP
- Series：74ALVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- 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-TFSOP (0.240", 6.10mm Width)
- Supplier Device Package：48-TSSOP
- Voltage - VCCA：2.3 V ~ 3.6 V
- Voltage - VCCB：3 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The SN74ALVC164245DGGTE4 is a 16-bit (dual-octal) noninverting bus transceiver from Texas Instruments. It features two separate supply rails: VCCA operates at 2.3 V to 3.6 V, while VCCB operates at 3 V to 5.5 V. This configuration enables bidirectional voltage translation between 2.5 V/3.3 V and 3.3 V/5 V domains. The device includes 3-state outputs and supports a maximum propagation delay of 5.8 ns at 3.3 V. It is housed in a 48-TSSOP package with an operating temperature range of -40°C to +85°C.
Feature Summary
- Dual independent power supply rails enable flexible voltage level shifting between low-voltage and standard logic families.
- Auto-bidirectional data flow control simplifies interface design by eliminating the need for explicit direction pins.
- Outputs provide high drive capability with ±24 mA at 3.3 V, ensuring signal integrity across loaded buses.
Applications
- Mobile handheld devices requiring interconnects between different voltage domains
- Consumer electronics such as printers and peripheral interfaces
- Wireless and telecommunications infrastructure equipment
- Wearable health and fitness monitoring devices
Procurement Notes
Verify the specific suffix 'E4' indicates lead-free RoHS compliance during sourcing. Confirm the package type matches the required 48-TSSOP footprint for PCB layout compatibility. Ensure the voltage levels on both ports align with the target system's power rails before integration. Cross-reference the datasheet revision to confirm pinout consistency with existing designs.
Selection Notes
Select this component when interfacing systems with mixed 2.5 V, 3.3 V, and 5 V logic levels. It is suitable for applications requiring high-speed data transfer with minimal propagation delay. Consider the 48-pin TSSOP package constraints for board space limitations. Verify that the input thresholds are compatible with the driving source voltages to ensure reliable switching.
Part Context
This part belongs to the SN74ALVC164245 family of widebus transceivers. It shares functional characteristics with variants like SN74ALVC164245DGG and SN74ALVC164245DLG4, differing primarily in packaging and reel specifications. The ALVC series is designed for low voltage and high-speed performance in portable and industrial applications.
Replacement Considerations
The 74VCX164245MTDX from onsemi is documented as a similar alternative. Verify electrical compatibility and pinout alignment before substitution. Other family members may offer different package options but maintain core functionality.
