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Product Detailed Parameters
- Description：IC BUS SWITCH 8 X 1:1 48TVSOP
- Series：74CB
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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 (0.173", 4.40mm Width)
- Supplier Device Package：48-TVSOP
- Grade：-
- Qualification：-
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Overview
The SN74CB3Q16245DGVR is a 16-bit FET bus switch from Texas Instruments, designed for low-voltage applications. It operates within a supply voltage range of 2.3 V to 3.6 V, supporting 2.5-V and 3.3-V systems. The device features a maximum on-resistance of 6 Ohms and a maximum propagation delay of 300 ns. It is housed in a 48-pin TVSOP package and is qualified under AEC-Q100 standards for automotive use. The operating temperature range spans from -40°C to +85°C.
Feature Summary
- Utilizes a charge pump to elevate gate voltage, ensuring low and flat ON-resistance across the entire voltage range.
- High-bandwidth design suitable for high-speed data transmission applications.
- Automotive-grade qualification ensures reliability in demanding environments.
Applications
- Automotive infotainment systems
- High-speed data bus switching
- Low-voltage digital signal routing
Procurement Notes
Verify the specific suffix DGVR indicates the tape-and-reel packaging format. Confirm AEC-Q100 qualification status if automotive compliance is required. Ensure the 48-TVSOP package dimensions match the PCB footprint. Check for RoHS compliance documentation. Validate the operating temperature range against system requirements.
Selection Notes
Select this component for 16-bit bidirectional switching in 2.5-V or 3.3-V systems. Consider the 6-Ohm on-resistance for signal integrity needs. The TVSOP-48 package offers a compact solution for space-constrained designs. Automotive qualification makes it suitable for vehicle electronics. Compare propagation delay specifications with other bus switches for timing-critical applications.
Part Context
This part belongs to the SN74CB3Q series of high-bandwidth FET bus switches. It shares functional similarities with the SN74CB3Q16245DLR but differs in packaging. The series is characterized by low power consumption and high speed. It complements other logic ICs in mixed-signal designs.
Replacement Considerations
SN74CB3Q16245DLR is a pin-compatible alternative with different packaging (SSOP-48 vs. TVSOP-48). Verify package dimensions and thermal characteristics before substitution. Ensure electrical parameters remain within acceptable limits for the specific application.
