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Product Detailed Parameters
- Description：IC BUS SWITCH 12 X 1:1 56SSOP
- Series：74CB
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Bus Switch
- Circuit：12 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：56-BSSOP (0.295", 7.50mm Width)
- Supplier Device Package：56-SSOP
- Grade：-
- Qualification：-
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Overview
The SN74CB3T16211DLR is a digital bus switch integrated circuit manufactured by Texas Instruments. It features a 12-bit configuration with two independent 1:1 switches, housed in a 56-pin TVSOP package. The device operates on a single power supply ranging from 2.3 V to 3.6 V and supports an operating temperature range of -40°C to +85°C. Key electrical characteristics include a maximum on-resistance of 9.5 Ohms and a maximum propagation delay of 250 ps.
Feature Summary
- Provides high-speed signal routing through dual 12-bit FET bus switches
- Supports low-voltage operation within the 2.3 V to 3.6 V supply range
- Ensures signal integrity with low on-resistance and minimal propagation delay
Applications
- High-speed data bus switching in consumer electronics
- Signal routing in portable computing devices
- Interface bridging between different voltage domains in embedded systems
Procurement Notes
Verify the specific suffix 'DLR' against the manufacturer's official documentation to confirm the exact tape-and-reel packaging quantity and moisture sensitivity level. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the ordering part number with the latest TI datasheet to avoid confusion with similar packages like TSSOP or DGVR variants.
Selection Notes
Select this component when a 12-bit wide bus switch is required for low-voltage applications. The TVSOP-56 package offers a compact footprint suitable for space-constrained designs. Consider the 2.3 V minimum supply voltage when designing power rails. Verify that the 9.5 Ohm on-resistance meets the impedance matching requirements of the connected transmission lines.
Part Context
This part belongs to the SN74CB3T16211 family of low-voltage FET bus switches. It is functionally related to other variants such as SN74CB3T16211DGGR and SN74CB3T16211DGGRE4, which share the same core logic but differ in packaging or reel specifications. The series is designed for high-bandwidth applications requiring fast switching speeds.
Replacement Considerations
Check for SN74CB3T16211DGGR as a potential alternative if the TVSOP package is interchangeable with TSSOP in the design. Verify pin-to-pin compatibility before substitution.
