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Product Detailed Parameters
- Description：IC BUS SWITCH 1 X 1:1 14TSSOP
- Series：74CBTLV
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Bus Switch
- Circuit：1 x 1:1
- Independent Circuits：4
- 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：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
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Overview
The SN74CBTLV3126PWR is a low-voltage quadruple FET bus switch manufactured by Texas Instruments. It operates on a single power supply ranging from 2.3 V to 3.6 V and features four independent channels configured as 1 x 1:1 switches. The device is housed in a 14-TSSOP package with a width of 4.40 mm. It supports an operating temperature range from -40°C to 85°C. Key electrical characteristics include a maximum on-state resistance of 40 Ohms, typical bandwidth of 200 MHz, and powered-off protection capabilities.
Feature Summary
- Provides powered-off protection to prevent current leakage when the device is unpowered.
- Supports high-speed digital signal transmission suitable for SPI and JTAG interfaces.
- Features low on-state resistance for efficient signal routing in low-voltage systems.
Applications
- SPI interface signal switching
- JTAG boundary scan circuitry
- Low-voltage data bus isolation
Procurement Notes
Verify the specific suffix 'PWR' corresponds to the 14-TSSOP tape-and-reel packaging configuration. Confirm RoHS3 compliance status and moisture sensitivity level (MSL 1) requirements against your assembly process specifications. Ensure voltage levels remain within the 2.3 V to 3.6 V operational range to maintain signal integrity and device reliability.
Selection Notes
Select this component for applications requiring bidirectional data transfer between different voltage domains within the specified low-voltage range. The 14-TSSOP package is suitable for surface-mount assembly where space constraints exist. Consider the 40 Ohm maximum on-resistance when calculating signal attenuation for high-frequency or long-trace applications.
Part Context
This part belongs to the SN74CBTLV series of low-voltage bus switches. It serves as a direct replacement for similar quad bus switches in portable electronics and communication equipment. The device integrates four independent switches into a single compact package, reducing board space compared to discrete solutions.
Replacement Considerations
SN74CBTLV3126DGVR offers identical functionality in a 14-TVSOP package.
