SN74ALVCH245DWR

text.skipToContent text.skipToNavigation

SN74ALVCH245DWR

Octal Bus Transceiver With 3-State Outputs

Packaging

Package | PIN: DW | 20
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $0.75
10-24 $0.67
25-99 $0.62
100-249 $0.53
250-499 $0.49
500-749 $0.40
750-999 $0.32
1000+ $0.29

Features

  • Operates From 1.65 V to 3.6 V
  • Max tpd of 3.4 ns at 3.3 V
  • ±24-mA Output Drive at 3.3 V
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II

Texas Instruments  SN74ALVCH245DWR

This octal bus transceiver is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH245 is designed for asynchronous communication 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.

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 recommended.