4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch

The SN74CB3Q3257 is a high-bandwidth FET bus Switch utilizing a Charge Pump to elevate the Gate voltage of the pass Transistor providing a low and flat ON-state resistance (ron). The low and flat ON-state resistance allows for minimal propagation delay and supports Rail-to-Rail switching on the data input/output (I/O) ports. The device also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus. Specifically designed to support high-bandwidth applications, the SN74CB3Q3257 provides an optimized Interface solution ideally suited for Broadband Communications networking, and data-intensive computing systems.
The SN74CB3Q3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer with a single output-enable (OE) input. The select (S) input controls the data path of the multiplexer/demultiplexer. When OE is low, the multiplexer/demultiplexer is enabled and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the multiplexer/demultiplexer is disabled and a high-impedance state exists between the A 139e and B ports.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry prevents damaging current backflow through the device when it is powered-down. The device has isolation during power off.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74CB3Q3257PWRE4 Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257PWRG4 Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257PW Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257PWE4 Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257PWR Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257DBQR Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-SSOP -40 to 85
SN74CB3Q3257PWG4 Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TSSOP -40 to 85
SN74CB3Q3257RGYR Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-VQFN -40 to 85
SN74CB3Q3257DGVR Texas Instruments 4-Bit One-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch 16-TVSOP -40 to 85
SN74CB3Q3257 's PackagesSN74CB3Q3257 's pdf datasheet
74CB3Q3257DBQRE4 SSOP
74CB3Q3257DBQRG4 SSOP
74CB3Q3257DGVRE4 TVSOP
74CB3Q3257DGVRG4 TVSOP
74CB3Q3257RGYRG4 QFN
SN74CB3Q3257DBQR SSOP
SN74CB3Q3257DGVR TVSOP
SN74CB3Q3257PW TSSOP
SN74CB3Q3257PWE4 TSSOP
SN74CB3Q3257PWG4 TSSOP
SN74CB3Q3257PWR TSSOP
SN74CB3Q3257PWRE4 TSSOP
SN74CB3Q3257PWRG4 TSSOP
SN74CB3Q3257RGYR QFN

SN74CB3Q3257 pdf datasheet download


SN74CB3Q3257 Pinout, Pinouts
SN74CB3Q3257 pinout,Pin out
This is one package pinout of SN74CB3Q3257,If you need more pinouts please download SN74CB3Q3257's pdf datasheet.

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