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Details for SN74CB3Q3305PW by Texas Instruments
Semiconductors - ICs > Logic > Bus Switches
IC 74CB BUS SWITCH TSSOP8
SN74CB3Q3305PW image

SN74CB3Q3305PW by Texas Instruments

IC 74CB BUS SWITCH TSSOP8
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
SN74CB3Q3305PW image
RoHS Compliant
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:
30mA
Switch Type:
SPST
On State Resistance Max:
-
Logic Case Style:
TSSOP
No. of Pins:
8Pins
Supply Voltage Min:
2.3V
Supply Voltage Max:
3.6V
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Bandwidth:
500MHz
Logic Function Number:
7433305
Logic IC Base Number:
743305
Logic IC Function:
Dual FET Bus Switch 2.5V / 3.3V Low Voltage High Bandwidth
On Resistance Rds(on):
3ohm
Operating Temperature Max:
85°C
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Range:
2.3V to 3.6V
Termination Type:
Surface Mount Device
Turn Off Time:
5ns
Turn On Time:
4.5ns
Alternate Descriptions
IC, 74CB, BUS SWITCH, TSSOP8; No. of Channels:2Channels; Output Current:30mA; Switch Type:SPST; On State Resistance Max:-; Logic Case Style:TSSOP; No. of Pins:8Pins; Supply Voltage Min:2.3V; Supply Voltage Max:3.6V; Product Range:-; RoHS Compliant: Yes Newark Electronics
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