16-Bit Bus Transceiver And Register With 3-State Outputs

This 16-bit Bus Transceiver and Register is designed for 1.65-V to 3.6-V VCC operation.
The SN74LVCH16652A consists of D-type Flip-Flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage Registers The device CAN be used as two 8-bit transceivers or one 16-bit transceiver.
Complementary output-enable (OEAB and OEBA) inputs control the transceiver functions. Select-control (SAB and SBA) inputs select whether real-time or stored data is transferred. A low input level selects real-time data, and a high input level selects stored data. The circuitry used for select control eliminates the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data. Figure 1 illustrates the four fundamental bus-management functions that CAN be performed with the SN74LVCH16652A.
Data on the A or B bus, or both, CAN be stored in the internal D Flip-Flops by low-to-high transitions at the appropriate Clock (CLKAB or CLKBA) inputs, regardless of the levels on the select-control or output-enable inputs. When SAB and SBA are in the real-time transfer mode, it also is possible to store data without using the internal D-type Flip-Flops by simultaneously enabling OEAB and OEBA. In this configuration, each output reinforces its input. When all other data sources to the two sets of bus lines are at high impedance, each set of bus lines remains at its last level configuration.
To ensure the high-impedance state during power up or power down, OEBA should be tied to VCC through a pullup resistor and OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.
Inputs CAN be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid Logic level. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. The bus-hold circuitry is part of the input circuit and is not disabled by OE or DIR.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LVCH16652ADLG4 Texas Instruments 16-Bit Bus Transceiver And Register With 3-State Outputs 56-SSOP -40 to 125
SN74LVCH16652ADL Texas Instruments 16-Bit Bus Transceiver And Register With 3-State Outputs 56-SSOP -40 to 125
SN74LVCH16652ADGVR Texas Instruments 16-Bit Bus Transceiver And Register With 3-State Outputs 56-TVSOP -40 to 125
SN74LVCH16652ADGGR Texas Instruments 16-Bit Bus Transceiver And Register With 3-State Outputs 56-TSSOP -40 to 125
SN74LVCH16652A 's PackagesSN74LVCH16652A 's pdf datasheet

SN74LVCH16652A Pinout, Pinouts
SN74LVCH16652A pinout,Pin out
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