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Product Detailed Parameters
- Description：IC BUS SWITCH 8 X 1:1 48TSSOP
- Series：74CB
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Bus Switch
- Circuit：8 x 1:1
- Independent Circuits：2
- Current - Output High, Low：-
- Voltage Supply Source：Single Supply
- Voltage - Supply：2.3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：48-TFSOP (0.240", 6.10mm Width)
- Supplier Device Package：48-TSSOP
- Grade：-
- Qualification：-
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Overview
The SN74CB3Q16245DGGR is a 16-bit bus switch manufactured by Texas Instruments, designed for low-voltage applications. It operates within a supply voltage range of 1.65 V to 3.6 V and features an on-resistance of 8 ohms maximum. The device supports bidirectional data transmission with two independent circuits, each handling eight bits. It utilizes a 48-pin TSSOP package suitable for surface-mount installation. The component functions effectively across an extended temperature range from -40°C to +85°C, ensuring reliable performance in various electronic environments.
Feature Summary
- Provides high-speed signal switching capabilities through low on-resistance channels
- Supports bidirectional data flow between different voltage domains
- Features robust design compliant with automotive reliability standards
Applications
- Automotive infotainment systems requiring AEC-Q100 qualified components
- Mobile devices utilizing low-voltage logic interfaces
- Industrial control boards managing mixed-signal data buses
Procurement Notes
Verify the specific suffix DGGR corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the AEC-Q100 qualification status meets your project's automotive grade requirements. Ensure the operating voltage range aligns with your system's power rails before integration.
Selection Notes
Select this component when designing circuits that require switching signals between varying voltage levels while maintaining signal integrity. The low on-resistance minimizes voltage drop across the switch, making it suitable for high-bandwidth applications. Consider the 48-pin TSSOP footprint constraints during PCB layout planning.
Part Context
This part belongs to the SN74CB3Q series, which focuses on automotive-grade bus switches. Unlike standard logic transceivers, these switches act as passive connections controlled by enable signals rather than active drivers. The Q-series designation indicates compliance with strict automotive quality and reliability standards set by major manufacturers.
Replacement Considerations
Check for direct pin-compatible alternatives within the same CB3Q family. Verify if other packages like WQFN are available for space-constrained designs. Ensure any substitute maintains the same AEC-Q100 grade and electrical characteristics.
