The SN74CB3T3245 device is a high-speed TTL-compatible 8-bit FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC.
●For all available packages, see the orderable addendum at the end of the data sheet.
● Standard "245-Type Pinout
● Output Voltage Translation Tracks VCC
● Supports Mixed-Mode Signal Operation on All Data I/O Ports
● 5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC
● 5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC
● 5-V-Tolerant I/Os With Device Powered Up or Powered Down
● Bidirectional Data Flow With Near-Zero Propagation Delay
● Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typical)
● Low Input/Output Capacitance Minimizes Loading (Cio(OFF) = 5 pF Typical)
● Data and Control Inputs Provide Undershoot Clamp Diodes
● Low Power Consumption (ICC = 40 μA Maximum)
● VCC Operating Range From 2.3 V to 3.6 V
● Data I/Os Support 0- to 5-V Signaling Levels
●(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
● Control Inputs Can Be Driven by TTL or
●5-V/3.3-V CMOS Outputs
● Ioff Supports Partial-Power-Down Mode Operation
● Latch-Up Performance Exceeds 250 mA Per JESD 17
● ESD Performance Tested Per JESD 22
● 2000-V Human-Body Model (A114-B, Class II)
● 1000-V Charged-Device Model (C101)
● Ideal for Low-Power Portable Equipment
