SN74CBT16800 - 具有预充电输出的 20 位 FET 总线开关

SN74CBT16800是TI德州仪器公司的一款数字开关产品，SN74CBT16800是具有预充电输出的 20 位 FET 总线开关，本站介绍了SN74CBT16800的封装应用图解、特点和优点、功能等，并给出了与SN74CBT16800相关的TI元器件型号供参考。

SN74CBT16800 - 具有预充电输出的 20 位 FET 总线开关 - 数字开关 - 信号开关 - 德州仪器

产品描述

The SN74CBT16800 provides 20 bits of high-speed TTL-compatible 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.

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.

The SN74CBT16800 is characterized for operation from -40°C to 85°C.

产品特性

5- Switch Connection Between Two Ports
TTL-Compatible Input Levels
B-Port Outputs Are Precharged by Bias Voltage to Minimize Signal Distortion During Live Insertion
Package Options Include Plastic Thin Shrink Small-Outline (DGG) and Thin Very Small-Outline (DGV) Packages

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