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SN74CBT3245CDBR

SN74CBT3245CDBR

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Texas Instruments

5-V, 1:1 (SPST), 8-CHANNEL FET BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION AND 1 CONTROL INPUT

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SN74CBT3245CDBR

SN74CBT3245CDBR

Active
Texas Instruments

5-V, 1:1 (SPST), 8-CHANNEL FET BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION AND 1 CONTROL INPUT

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Description

General part information

SN74CBT3245C Series

The SN74CBT3245C 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 SN74CBT3245C 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 SN74CBT3245C is organized as an 8-bit bus switch with a single output-enable (OE)\ input. When OE\ is low, the 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 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 Iofffeature ensures that damaging current will not backflow through the device when it is powered down.

Technical Specifications

Parameters and characteristics for this part

SpecificationSN74CBT3245CDBR
Circuit8 x 1:1
Independent Circuits1
Mounting TypeSurface Mount
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Package Length0.209 in
Package Name20-SSOP
Package Width5.3 mm
TypeBus Switch
Voltage - Supply (Maximum)5.5 V
Voltage - Supply (Minimum)4 V
Voltage Supply SourceSingle Supply

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CAD

3D models and CAD resources for this part