SN74CBT16210C - 具有 -2V 下冲保护的 20 位 FET 总线开关

SN74CBT16210C是TI德州仪器公司的一款数字开关产品，SN74CBT16210C是具有 -2V 下冲保护的 20 位 FET 总线开关，本站介绍了SN74CBT16210C的封装应用图解、特点和优点、功能等，并给出了与SN74CBT16210C相关的TI元器件型号供参考。

SN74CBT16210C - 具有 -2V 下冲保护的 20 位 FET 总线开关 - 数字开关 - 信号开关 - 德州仪器

产品描述

The SN74CBT16210C 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 SN74CBT16210C provides protection for undershoot up to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state.

The SN74CBT16210C is organized as two 10-bit bus switches with separate output-enable (1OE\, 2OE\) inputs. It can be used as two 10-bit bus switches or as one 20-bit bus switch. When OE\ is low, the associated 10-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE\ is high, the associated 10-bit bus switch is OFF, and the high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

产品特性

Member of the Texas Instruments Widebus™ Family
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 Typical)
Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5.5 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: PCI Interface, Memory Interleaving, Bus Isolation, Low-Distortion Signal Gating

Widebus is a trademark of Texas Instruments.

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