8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter

The SN74CB3T3245 is a high-speed TTL-compatible FET bus Switch 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 SN74CB3T3245 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 SN74CB3T3245 is an 8-bit bus Switch with a single ouput-enable (OE) input and a standard ?245 pinout. When OE is low, the 8-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 8-bit bus Switch is OFF, 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.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74CB3T3245PWRE4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85
SN74CB3T3245DWE4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SOIC -40 to 85
SN74CB3T3245PWG4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85
SN74CB3T3245DGVR Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TVSOP -40 to 85
SN74CB3T3245DW Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SOIC -40 to 85
SN74CB3T3245DWG4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SOIC -40 to 85
SN74CB3T3245PWE4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-TSSOP -40 to 85
SN74CB3T3245DBQR Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SSOP -40 to 85
SN74CB3T3245DWRE4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SOIC -40 to 85
SN74CB3T3245DWRG4 Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage Bus Switch With 5-V Tolerant Level Shifter 20-SOIC -40 to 85
SN74CB3T3245 's PackagesSN74CB3T3245 's pdf datasheet
74CB3T3245DBQRE4 SSOP
74CB3T3245DBQRG4 SSOP
74CB3T3245DGVRE4 TVSOP
74CB3T3245DGVRG4 TVSOP
SN74CB3T3245DBQR SSOP
SN74CB3T3245DGVR TVSOP
SN74CB3T3245DW SOIC
SN74CB3T3245DWE4 SOIC
SN74CB3T3245DWG4 SOIC
SN74CB3T3245DWR SOIC
SN74CB3T3245DWRE4 SOIC
SN74CB3T3245DWRG4 SOIC
SN74CB3T3245PW TSSOP
SN74CB3T3245PWE4 TSSOP
SN74CB3T3245PWG4 TSSOP
SN74CB3T3245PWR TSSOP
SN74CB3T3245PWRE4 TSSOP
SN74CB3T3245PWRG4 TSSOP

SN74CB3T3245 pdf datasheet download


SN74CB3T3245 Pinout, Pinouts
SN74CB3T3245 pinout,Pin out
This is one package pinout of SN74CB3T3245,If you need more pinouts please download SN74CB3T3245's pdf datasheet.

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