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Product Detailed Parameters
- Description：IC BUS SWITCH 12 X 1:1 56BGA
- Series：74CBT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Bulk
- Type：Bus Switch
- Circuit：12 x 1:1
- Independent Circuits：2
- Current - Output High, Low：-
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：56-VFBGA
- Supplier Device Package：56-BGA Microstar Junior (7x4.5)
- Grade：-
- Qualification：-
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Overview
The SN74CBT16211AZQLR is a 24-bit FET bus switch manufactured by Texas Instruments. It provides two independent 12-bit, 1:1 bus switches in a 56-ball BGA package. The device operates with a supply voltage range of 2.3 V to 3.6 V. Key electrical specifications include a maximum on-resistance of 9 Ohms and a maximum propagation delay of 250 ps. It supports TTL-compatible inputs and features 2-V undershoot protection.
Feature Summary
- Provides 24 bits of high-speed bus switching capability through two independent 12-bit channels.
- Features low on-state resistance for efficient signal transmission.
- Includes input protection against voltage undershoot up to 2 V.
- Supports single-supply operation within the specified voltage range.
Applications
- High-speed data bus switching in portable electronics
- Memory bus interface applications
- Consumer electronics requiring low power consumption
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific lifecycle notices such as obsolescence or production changes. Ensure the package type matches design requirements and validate temperature ratings against operational environments before procurement.
Selection Notes
Select this component for applications requiring 24-bit parallel data routing with low latency. Consider the 56-ball BGA package constraints for PCB layout. Evaluate the 2.3 V to 3.6 V operating range against system power rails. Compare on-resistance and propagation delay specifications against other bus switches if signal integrity is critical.
Part Context
This part belongs to the Texas Instruments 74CBT series of bus switches. It is designed for high-speed digital signal routing in systems requiring multiple bidirectional data paths. The family typically offers low power consumption and compatibility with various logic families.
Replacement Considerations
Publicly confirmed parameter-equivalent substitutes include SN74CBT16211CDGGR, SN74CBT16811CDGGR, SN74CBTD16211DGGR, SN74CBTS16211DGGR, and FST16211MTDX. Verify pinout and package compatibility when substituting.
FAQ
What is the maximum propagation delay of the SN74CBT16211AZQLR?
The maximum propagation delay is 250 ps.
Does the SN74CBT16211AZQLR support undershoot protection?
Yes, it features 2-V undershoot protection on its inputs.
What is the operating supply voltage range for this device?
The device operates with a supply voltage ranging from 2.3 V to 3.6 V.
