PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 VInput voltage range, VI: Except I/O ports (see Note 1) . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V I/O ports (see Notes 1 and 2) . . . . . . . . . . . ....
SN74LVC16652: PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 VInput voltage range, VI: Except I/O ports (see Note 1) . ....
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This 16-bit bus transceiver and register SN74LVC16652 is designed for low-voltage (3.3-V) VCC operation.
The SN74LVC16652 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 SN74LVC16652.