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Product Detailed Parameters
- Description：IC BUS FET EXCHG SW 9X2:2 48SSOP
- Series：74CBT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Bus FET Exchange Switch
- Circuit：9 x 2:2
- 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：48-BSSOP (0.295", 7.50mm Width)
- Supplier Device Package：48-SSOP
- Grade：-
- Qualification：-
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Overview
The SN74CBT16209ADLR is an 18-bit FET bus-exchange switch manufactured by Texas Instruments. It operates with a supply voltage of 5 V and features a maximum on-resistance of 14 Ohms. The device exhibits a maximum propagation delay of 250 ps, ensuring high-speed data path management. It is housed in a 48-pin SSOP (DL) package and supports an operating temperature range from -40°C to +85°C.
Feature Summary
- Provides 18 bits of high-speed TTL-compatible bus switching or exchanging capabilities
- Utilizes FET technology for low on-resistance signal transmission
- Supports crosspoint and exchange configurations for flexible data routing
Applications
- High-speed data path management systems
- Bus switching applications requiring TTL compatibility
- Crosspoint exchange architectures
Procurement Notes
Verify the specific suffix 'DL' corresponds to the 48-pin SSOP package configuration when sourcing. Confirm that the operating voltage requirements align with the specified 5 V supply. Ensure thermal management strategies accommodate the -40°C to +85°C industrial temperature range. Cross-reference the manufacturer's latest datasheet revision to confirm pinout and electrical characteristics remain unchanged.
Selection Notes
Select this component when an 18-channel FET bus switch is required for high-speed digital interfaces. The 5 V operation and TTL compatibility make it suitable for legacy and mixed-voltage logic systems. The SSOP-48 package offers a compact footprint for dense PCB layouts. Consider the 250 ps propagation delay for timing-sensitive applications where signal integrity is critical.
Part Context
This device belongs to the SN74CBT16209A family of bus-exchange switches. It is part of Texas Instruments' portfolio of high-speed logic ICs designed for efficient data routing. The family shares similar architectural principles but varies in bit width and package options to suit different integration needs.
Replacement Considerations
Check for SN74CBT16209ADL as a potential variant within the same series. Verify pin-to-pin compatibility before substituting. Ensure the replacement maintains the 18-bit capacity and 5 V operating voltage specifications.
