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Product Detailed Parameters
- Description：IC BUS SWITCH 8 X 1:1 20TVSOP
- Series：74CBT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Bus Switch
- Circuit：8 x 1:1
- Independent Circuits：1
- 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：20-TFSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TVSOP
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Overview
The SN74CBT3345DGVR is an octal bus transceiver manufactured by Texas Instruments, belonging to the 74CBT logic series. It features a single circuit with an 8 x 1:1 configuration housed in a 20-VSSOP package. The device operates on a single power supply ranging from 4.5V to 5.5V and supports an operating temperature range of -40°C to +85°C. Key electrical characteristics include a maximum propagation delay of 150 ps and a maximum on-resistance of 12 ohms.
Feature Summary
- Provides bidirectional data transmission across eight independent channels
- Features low on-resistance for efficient signal routing
- Supports high-speed switching with minimal propagation delay
Applications
- High-speed data bus switching applications
- Portable equipment requiring low power consumption
- Consumer electronics utilizing CMOS technology
Procurement Notes
Verify the specific suffix 'DGVR' against official Texas Instruments documentation to confirm the exact tape-and-reel packaging and voltage grade. Ensure compatibility with the target PCB footprint for the 20-VSSOP package before finalizing procurement orders.
Selection Notes
Select this component when designing systems that require an octal bus switch with a 5V nominal supply. The VSSOP package is suitable for space-constrained designs. Confirm that the required drive current and signal integrity specifications align with the device's 12-ohm on-resistance and 150-ps delay limits.
Part Context
This part belongs to the SN74CBT3345 family of octal bus transceivers. It shares functional similarities with other members like the SN74CBT3345DWR but differs in physical packaging. The DGVR variant specifically utilizes the VSSOP form factor, distinguishing it from SOIC or TSSOP versions within the same logical family.
Replacement Considerations
SN74CBT3345DWR
FAQ
What is the maximum operating voltage for the SN74CBT3345DGVR?
The maximum operating voltage is 5.5V.
Does the SN74CBT3345DGVR support bidirectional data flow?
Yes, it is designed as an octal bus transceiver supporting bidirectional data transmission.
