SN74CB3Q3305PWR Texas Instruments - Logic

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Details for SN74CB3Q3305PWR by Texas Instruments

Semiconductors - ICs > Logic > Universal Bus Functions

FET BUS SWITCH DUAL TSSOP-8

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SN74CB3Q3305PWR by Texas Instruments

FET BUS SWITCH DUAL TSSOP-8

Features

5-V Tolerant I/Os With Device Powered Up or Powered Down

Bidirectional Data Flow With Near-Zero Propagation Delay

Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs

Data I/Os Support 0- to 5-V Signaling Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)

Data and Control Inputs Provide Undershoot Clamp Diodes

Fast Switching Frequency (fOE = 20 MHz Maximum)

High-Bandwidth Data Path (Up to 500 MHz(1) )

Ioff Supports Partial-Power-Down Mode Operation

Latch-Up Performance Exceeds 100 mA Per

Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 3.5 pF Typical)

Low Power Consumption (ICC= 0.25 mA Typical)

Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 3 u2126 Typical)

Rail-to-Rail Switching on Data I/O Ports u2013 0- to 5-V Switching With 3.3-V VCC u2013 0- to 3.3-V Switching With 2.5-V VCC

VCC Operating Range From 2.3 V to 3.6 V

Part Information

RoHS Compliant

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Description

The SN74CB3Q3305 device is a high-bandwidth FET bus switch using 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 SN74CB3Q3305 device provides an optimized interface solution ideally suited for broadband communications, networking, and data-intensive computing systems. 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 GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

Specifications

No. of Channels:

2Channels

Output Current:

Logic Type:

FET Bus Switch

Input Level:

1.7V

No. of Pins:

8Pins

Logic Case Style:

TSSOP

Supply Voltage Min:

2.3V

Supply Voltage Max:

3.6V

Operating Temperature Min:

-40°C

Operating Temperature Max:

85°C

Product Range:

RoHS Phthalates Compliant:

Yes

MSL:

MSL 1 - Unlimited

SVHC:

No SVHC (27-Jun-2018)

Alternate Descriptions

Bus Switch 2-Element CMOS 2-IN 8-Pin TSSOP T/R Avnet America

Bus Switch 2-Element CMOS 2-IN 8-Pin TSSOP T/R Avnet Europe