SN74ALVCH16525

This SN74ALVCH16525 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V V_CC operation.

Data flow in each direction is controlled by output-enable (OEAB and OEBA) and clock-enable (CLKENAB and CLKENBA) inputs. For the A-to-B data flow, the data flows through a single register. The B-to-A data can flow through a four-stage pipeline register path, or through a single register path, depending on the state of the select (SEL) input. Data of SN74ALVCH16525 is stored in the internal registers on the low-to-high transition of the clock (CLK) input, provided that the appropriate CLKEN inputs are low. The A-to-B data transfer is synchronized to the CLKAB input, and B-to-A data transfer is synchronized with the CLK1BA and CLK2BA inputs.Data is stored in the internal registers on the low-to-high transition of the clock (CLK) input, provided that the appropriate CLKEN inputs are low. The A-to-B data transfer is synchronized to the CLKAB input, and B-to-A data transfer is synchronized with the CLK1BA and CLK2BA inputs.

To ensure the high-impedance state of SN74ALVCH16525 during power up or power down, OE should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN74ALVCH16525 is characterized for operation from 40°C to 85°C.