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

The SN74CB3T16212 is a high-speed TTL-compatible FET bus-exchange 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 SN74CB3T16212 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 SN74CB3T16212 operates as a 24-bit bus Switch or as a 12-bit bus exchange that provides data exchanging between four signal ports. The select (S0, S1, S2) inputs control the data path of the bus-exchange Switch When the bus-exchange Switch is ON, the A port is connected to the B port, allowing bidirectional data flow between ports. When the bus-exchange Switch is OFF, 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, each select input should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74CB3T16212DL Texas Instruments IC CB3T/3VT SERIES, 24 1-BIT EXCHANGER, TRUE OUTPUT, PDSO56, PLASTIC, SSOP-56, Bus Driver/Transceiver
SN74CB3T16212DLR Texas Instruments IC CB3T/3VT SERIES, 24 1-BIT EXCHANGER, TRUE OUTPUT, PDSO56, PLASTIC, SSOP-56, Bus Driver/Transceiver
SN74CB3T16212DGVR Texas Instruments 24-Bit FET Bus-Exchange 2.5-V/3.3-V Low-Voltage Bus Switch with 5-V-Tolerant Level Shifter 56-TVSOP -40 to 85
SN74CB3T16212ZQLR Texas Instruments 24-Bit FET Bus-Exchange 2.5-V/3.3-V Low-Voltage Bus Switch with 5-V-Tolerant Level Shifter 56-BGA MICROSTAR JUNIOR -40 to 85
SN74CB3T16212DGGR Texas Instruments 24-Bit FET Bus-Exchange 2.5-V/3.3-V Low-Voltage Bus Switch with 5-V-Tolerant Level Shifter 56-TSSOP -40 to 85
SN74CB3T16212DGG Texas Instruments IC CB3T/3VT SERIES, 24 1-BIT EXCHANGER, TRUE OUTPUT, PDSO56, PLASTIC, TSSOP-56, Bus Driver/Transceiver
SN74CB3T16212GQLR Texas Instruments IC CB3T/3VT SERIES, 12 2-BIT EXCHANGER, TRUE OUTPUT, PBGA56, VFBGA-56, Bus Driver/Transceiver
SN74CB3T16212 's PackagesSN74CB3T16212 's pdf datasheet
74CB3T16212DGGRE4 TSSOP
74CB3T16212DGGRG4 TSSOP
74CB3T16212DGVRE4 TVSOP
74CB3T16212DGVRG4 TVSOP
SN74CB3T16212DGGR TSSOP
SN74CB3T16212DGVR TVSOP
SN74CB3T16212ZQLR BGA

SN74CB3T16212 pdf datasheet download


SN74CB3T16212 Pinout, Pinouts
SN74CB3T16212 pinout,Pin out
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