SN74CBTLV3245A - 低电压八路 FET 总线开关

SN74CBTLV3245A是TI德州仪器公司的一款数字开关产品，SN74CBTLV3245A是低电压八路 FET 总线开关，本站介绍了SN74CBTLV3245A的封装应用图解、特点和优点、功能等，并给出了与SN74CBTLV3245A相关的TI元器件型号供参考。

SN74CBTLV3245A - 低电压八路 FET 总线开关 - 数字开关 - 信号开关 - 德州仪器

产品描述

产品特性

Standard '245-Type Pinout
5- Switch Connection Between Two Ports
Rail-to-Rail Switching on Data I/O Ports
Ioff Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

DESCRIPTION/ORDERING INFORMATION

The SN74CBTLV3245A provides eight bits of high-speed bus switching in a standard '245 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.

The device is organized as one 8-bit switch. When output enable (OE) is low, the 8-bit bus switch is on, and port A is connected to port B. When OE is high, the switch is open, and the high-impedance state exists between the two 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. 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.

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