SN74CBT3257CPWR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

SN74CBT3257CPWR
Manufacturer

TI
ChipWorker Part#

CW20408800
Category

Logic Controller, Logic IC
Package

TSSOP-16
Description

4Bit 1-Of-2 FET Multiplexer/Demultiplexer with -2V Undershoot Protection 16-TSSOP -40℃ to 85℃
Documentation

Datasheet

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SN74CBT3257CPWR Specifications

Attribute	Attribute Value

Part Number	SN74CBT3257CPWR
Manufacturer	TI
ChipWorker Part#	CW20408800
Category	Logic Controller, Logic IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	4.00V ~ 5.50V
Contacts Type	SPDT
Number of Circuits	4 Circuit
Number of Channels	1 Channel
Number of Bits	8 Bit
Propagation Delay Max (tpd)	240 ps
Voltage Nodes	4.00 V, 5.00 V
Static Current	3.00 µA
Bandwidth	200 MHz
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The SN74CBT3257C is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (ron), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT3257C 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 SN74CBT3257C is a 4-bit 1-of-2 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 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.
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.

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