SN74ALVCH245 Datasheet | Texas Instruments

FEATURES - Operates From 1.65 V to 3.6 V - Max tpd of 3.4 ns at 3.3 V - ±24-m A Output Drive at 3.3 V - Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors - Latch-Up Performance Exceeds 100 m A Per JESD 78, Class II DESCRIPTION /ORDERING INFORMATION This octal bus transceiver is designed for 1.65-V to 3.6-V VCC operation. DGV, DW, NS, OR PW PACKAGE (TOP VIEW) DIR 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND 10 20 VCC 19 OE 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 B8 The SN74ALVCH245 is designed for asynchronous munication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated. <br/> 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 holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not remended. TA -40°C to 85°C ORDERING INFORMATION PACKAGE (1) ORDERABLE PART NUMBER SOIC - DW Tube Tape and reel SN74ALVCH245DW SN74ALVCH245DWR - NS Tape and reel SN74ALVCH245NSR TSSOP - PW Tube Tape and reel SN74ALVCH245PW SN74ALVCH245PWR TVSOP - DGV Tape and reel SN74ALVCH245DGVR TOP-SIDE MARKING ALVCH245 ALVCH245 VB245 VB245 (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at .ti./sc/package. FUNCTION...