Standard ’245-Type Pinout
5-Ω Switch Connection Between Two Ports
TTL-Compatible Input Levels

description/ordering information
The SN74CBT3345 provides eight bits of
high-speed TTL-compatible bus switching in a
standard ’245 device pinout. The low on-state
resistance of the switch allows connections to be
made with minimal propagation delay.
The device is organized as one 8-bit switch bank
with dual output-enable (OE and OE) inputs.
When OE is low or OE is high, the switch is on, and
port A is connected to port B. When OE is high and
OE is low, the switch is open, and the
high-impedance state exists between the two
ports.