SN74CB3T3257PWR - TI

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

Part No

SN74CB3T3257PWR
Manufacturer

TI
ChipWorker Part#

CW15355103
Category

Logic Controller, Logic IC
Package

TSSOP-16
Description

4Bit 1-OF-2 FET MULT/DEMULT 2.5V/3.3V LOW-VOLTAGE BUS SWITCH WITH 5V TOLERANT LEVEL SHIFTER 16-TSSOP -40℃ to 85℃
Documentation

Datasheet

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SN74CB3T3257PWR Specifications

Attribute	Attribute Value

Part Number	SN74CB3T3257PWR
Manufacturer	TI
ChipWorker Part#	CW15355103
Category	Logic Controller, Logic IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	2.30V (min)
Number of Outputs	4 Output
Contacts Type	SPDT
Number of Channels	4 Channel
Number of Positions	16 Position
Number of Bits	8 Bit
Propagation Delay Max (tpd)	250 ps
Polarity	Non-Inverting
Number of Inputs	8 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.3V ~ 3.6V
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	2.3 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99
HK STC License	NLR

Product Description

The SN74CB3T3257 is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T3257 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).
The SN74CB3T3257 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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