SN74CBT3125CDR

与-2 -V冲保护翻两番FET总线开关5 -V BUS开关 QUADRUPLE FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION

description

The SN74CBT3125C is a high-speed TTL-compatible FET bus switch with low ON-state resistance ron, allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT3125C provides protection for undershoot up to −2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state.

Undershoot Protection for Off-Isolation on A and B Ports Up To −2 V

Bidirectional Data Flow, With Near-Zero Propagation Delay

Low ON-State Resistance ron Characteristics ron = 3 Ω Typical

Low Input/Output Capacitance Minimizes Loading and Signal Distortion CioOFF = 5 pF Typical

Data and Control Inputs Provide Undershoot Clamp Diodes

Low Power Consumption ICC = 3 µA Max

VCC Operating Range From 4 V to 5.5 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, Bus Isolation, Low-Distortion Signal Gating