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SN74CB3Q3253DBQR The Texas Instruments SN74CB3Q3253DBQR is a dual 1-of-4 FET multiplexer/demultiplexer. It offers high bandwidth and low on-state resistance for efficient signal switching.
Mfr Part #:

SN74CB3Q3253DBQR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74CB3Q3253DBQR is a dual 1-of-4 FET multiplexer/demultiplexer. It offers high bandwidth and low on-state resistance for efficient signal switching.
✓ Total Stock: 112,072 pcs
$ Price Range: $0.26

SN74CB3Q3253DBQR Available from 4 distributors

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Romaks Technologies ✓
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95,158 pcs
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95158 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
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7,500 pcs
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7500 pcs On Request 1 On Request On Request 1031/1027 On Request On Request
Rayichip ✓
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6,817 pcs
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6817 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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2,597 pcs
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2597 pcs On Request 1 On Request On Request On Request On Request On Request
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SN74CB3Q3253DBQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Bandwidth
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Independent Circuits
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SN74CB3Q3253DBQR Description

Short technical summary and product information.

The SN74CB3Q3253DBQR from Texas Instruments is a high-bandwidth FET bus switch designed for 2.5-V to 3.3-V operation. It features a data path bandwidth of up to 500 MHz, making it suitable for high-speed applications.

 

This device offers low and flat ON-state resistance (ron) characteristics, typically 4 Ω, which minimizes propagation delay and supports rail-to-rail switching on data I/O ports. The I/Os are 5-V tolerant, and the device supports bidirectional data flow with near-zero propagation delay. It operates over a VCC range of 2.3 V to 3.6 V and can handle data I/Os supporting signal levels from 0 to 5 V.

 

The SN74CB3Q3253DBQR is available in a 16-SSOP package, designed for surface mounting. Its operating temperature range is -40°C to 85°C. The device includes features like undershoot clamp diodes on data and control inputs and supports partial-power-down mode operation.

SN74CB3Q3253DBQR Quick Information

Product Type: FET Bus Switch
Canonical Name: SN74CB3Q3253 Dual 1-of-4 FET Multiplexer–Demultiplexer
Subcategory: Protocol & Bus Switches & Muxes

SN74CB3Q3253DBQR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74CB3Q3253DBQR Estimated Pricing

Qty Low High
1+ $0.26 $0.26

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74CB3Q3253DBQR Features

  • High bandwidth data path up to 500 MHz.
  • Low and flat ON-state resistance.
  • 5-V tolerant I/Os with device powered up.
  • Rail-to-rail switching on data I/O ports.
  • Supports 0- to 5-V signal levels.

SN74CB3Q3253DBQR Applications

  • Used in USB interface applications.
  • Suitable for differential signal isolation.
  • Enables low-distortion signal gating.
  • Supports video broadcasting systems.
  • Applicable to video communications systems.

SN74CB3Q3253DBQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74CB3Q3253DBQR?

The operating voltage range is 2.3 V to 3.6 V.

What is the operating temperature range of the SN74CB3Q3253DBQR?

The operating temperature range is -40°C to 85°C.

What package does the SN74CB3Q3253DBQR come in?

It comes in a 16-SSOP (0.154", 3.90mm width) surface-mount package with body size 4.90 mm x 3.90 mm.

What is the bandwidth of the SN74CB3Q3253DBQR?

The bandwidth is 500 MHz.

What is the typical on-state resistance of the SN74CB3Q3253DBQR?

The typical on-state resistance is 4 Ω (3500 mΩ from manufacturer data).

What is the supply current of the SN74CB3Q3253DBQR?

The typical supply current is 0.6 mA (700 µA from manufacturer data).

Does the SN74CB3Q3253DBQR include ESD protection?

Yes, it includes 2000 V human-body model and 1000 V charged-device model ESD protection.

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