16-To-32 Bit Registered Bus Exchanger With Byte Masks And 3-State Outputs

The SN74ALVCHG162280 is a 16-bit to 32-bit registered Bus Exchanger This device is intended for use in applications where data must be transferred from a narrow high-speed bus to a wide lower-frequency bus. It is designed specifically for low-voltage (3.3-V) VCC operation. The device provides synchronous data exchange between the two ports, A and B. Data is stored in the internal Registers on the low-to-high transition of the Clock (CLK) input. For data transfer in the B-to-A direction, the select (SEL) input selects 1B or 2B data for the A outputs. For data transfer in the A-to-B direction, a two-stage pipeline is provided in the 1B path, with a single storage Register in the 2B path. Data flow is controlled by the active-low output-enable (OE) and direction-control (DIR) inputs. DIR is registered to synchronize the bus direction changes with the Clock Two mask bits are provided for both data bytes. The data (D) outputs are controlled by OE. The A-port N-channel output Transistors are sized at 450 m, and the P-channel output Transistors are sized at 700 m. All A-port outputs have equivalent 50- series resistors. The B-port N-channel output Transistors are sized at 225 m, and the P-channel output Transistors are sized at 560 m. All B-port outputs have equivalent 20- series resistors. 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. Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid Logic level. The switching characteristics are based on 25-pF (A port) and 80-pF (B and D ports) loads, but are tested with the standard 50-pF load. The SN74ALVCHG162280 is characterized for operation from 0C to 70C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ALVCHG162280DBBR Texas Instruments 16-To-32 Bit Registered Bus Exchanger With Byte Masks And 3-State Outputs 80-TSSOP -40 to 85
SN74ALVCHG162280GR Texas Instruments 16-To-32 Bit Registered Bus Exchanger With Byte Masks And 3-State Outputs 80-TSSOP -40 to 85
SN74ALVCHG162280G Texas Instruments IC ALVC/VCX/A SERIES, 16-BIT EXCHANGER, TRUE OUTPUT, PDSO80, PLASTIC, TVSOP-80, Bus Driver/Transceiver
SN74ALVCHG162280 's PackagesSN74ALVCHG162280 's pdf datasheet
74ALVCHG162280GRE4 TSSOP
74ALVCHG162280GRG4 TSSOP
SN74ALVCHG162280DBBR TSSOP
SN74ALVCHG162280GR TSSOP

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SN74ALVCHG162280 Pinout, Pinouts
SN74ALVCHG162280 pinout,Pin out
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