SN74CBTLV16800 - 具有预充电输出的低电压 20 位 FET 总线开关

SN74CBTLV16800是TI德州仪器公司的一款数字开关产品，SN74CBTLV16800是具有预充电输出的低电压 20 位 FET 总线开关，本站介绍了SN74CBTLV16800的封装应用图解、特点和优点、功能等，并给出了与SN74CBTLV16800相关的TI元器件型号供参考。

SN74CBTLV16800 - 具有预充电输出的低电压 20 位 FET 总线开关 - 数字开关 - 信号开关 - 德州仪器

产品描述

The SN74CBTLV16800 provides 20 bits of high-speed bus switching. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise.

The device is organized as dual 10-bit bus switches with separate output-enable (OE\) inputs. It can be used as two 10-bit bus switches or one 20-bit bus switch. When OE\ is low, the associated 10-bit bus switch is on, and port A is connected to port B. When OE\ is high, the switch is open, the high-impedance state exists between the two ports, and port B is precharged to BIASV through the equivalent of a 10-k resistor.

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. The device has isolation during power off.

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
5- Switch Connection Between Two Ports
Rail-to-Rail Switching on Data I/O Ports
Ioff Supports Partial-Power-Down Mode Operation
B-Port Outputs Are Precharged by Bias Voltage to Minimize Signal Distortion During Live Insertion
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.

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