SN74CB3Q16811

www.ti.com SN74CB3Q16811 24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH SCDS153B – OCTOBER 2003 – REVISED MARCH 2005 FEATURES Member of the Texas Instruments Widebus™ Family SN74CB3Q Bus Switches Are Equivalent to IDTQS3VH Bus Switches 5-V Tolerant I/Os With Device Powered Up or Powered Down Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 5 Ω Typ) 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 B-Port Outputs Are Precharged by Bias Voltage (BIASV) to Minimize Signal Distortion During Live Insertion and Hot Plugging Supports PCI Hot Plug Bidirectional Data Flow With Near-Zero Propagation Delay Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 4 pF Typ) Fast Switching Frequency (fON = 20 MHz Max) Data and Control Inputs Provide Undershoot Clamp Diodes Low Power Consumption (ICC = 0.75 mA Typ) 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: PCI Hot Plug, Hot Docking, ...