HomedatasheetSN74CBT3125CPW

SN74CBT3125CPW Datasheet

Digital Bus Switch ICs
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Description

The SN74CBT3125C( SN74CBT3125CPW ) is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT3125C provides protection for undershoot up to −2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state. The SN74CBT3125C is organized as four 1-bit bus switches with separate output-enable (1OE, 2OE, 3OE, 4OE) inputs. It can be used as four 1-bit bus switches or as one 4-bit bus switch. When OE is low, the associated 1-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 1-bit bus switch is OFF, and the high-impedance state exists between the A and B ports. This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off. SN74CBT3125CPW Features • Undershoot Protection for Off-Isolation on A and B Ports Up To −2 V• Bidirectional Data Flow, With Near-Zero Propagation Delay• Low ON-State Resistance (ron) Characteristics (ron = 3 Ω Typical)• Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5 pF Typical)• Data and Control Inputs Provide Undershoot Clamp Diodes• Low Power Consumption (ICC = 3 µA Max)• VCC Operating Range From 4 V to 5.5 V• 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)• Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs• Ioff Supports Partial-Power-Down Mode Operation•Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II• ESD Performance Tested Per JESD 22− 2000-V Human-Body Model (A114-B, Class II)− 1000-V Charged-Device Model (C101)• Supports Both Digital and Analog Applications: USB Interface, Bus Isolation, Low-Distortion Signal Gating
Features

Parameters

[{"Name":"Number of Switches:","Value":"4"},{"Name":"Propagation Delay Time:","Value":"0.15 ns"},{"Name":" Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Minimum Operating Temperature:","Value":"- 40 C"},{"Name":" On Resistance (Max):","Value":"12 Ohms"},{"Name":"Supply Current:","Value":"3 uA"},{"Name":"Supply Voltage - Max:","Value":"5.5 V"},{"Name":" Supply Voltage - Min:","Value":"4 V"},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

RICHTEK
Warm Hint

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