The SN74CB3Q3257 device is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).
● High-Bandwidth Data Path
●(up to 500 MHz)
● 5-V Tolerant I/Os With Device Powered Up or
●Powered Down
● Low and Flat ON-State Resistance (ron)
●Characteristics Over Operating Range
●(ron= 4 Ω Typical)
● Rail-to-Rail Switching on Data I/O Ports
● 0- to 5-V Switching With 3.3-V VCC
● 0- to 3.3-V Switching With 2.5-V VCC
● Bidirectional Data Flow With Near-Zero
●Propagation Delay
● Low Input and Output Capacitance Minimizes
●Loading and Signal Distortion
●(Cio(OFF)= 3.5 pF Typical)
● Fast Switching Frequency (f OE = 20 MHz
●Maximum)
● Data and Control Inputs Provide Undershoot
●Clamp Diodes
● Low Power Consumption
●(ICC = 0.7 mA Typical)
● 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 100 mA Per
●JESD 78, Class II
● ESD Performance Tested Per JESD 22
● 2000-V Human Body Model
●(A114-B, Class II)
● 1000-V Charged-Device Model (C101)
● Supports Both Digital and Analog Applications:
●USB Interface,Differential Signal Interface,
●Bus Isolation, Low-Distortion Signal Gating(1)
