SN74CBTLV3257 - 低压 4 位 2 选 1 FET 多路复用器/多路解复用器

SN74CBTLV3257是TI德州仪器公司的一款数字多路复用器/多路解复用器产品，SN74CBTLV3257是低压 4 位 2 选 1 FET 多路复用器/多路解复用器，本站介绍了SN74CBTLV3257的封装应用图解、特点和优点、功能等，并给出了与SN74CBTLV3257相关的TI元器件型号供参考。

SN74CBTLV3257 - 低压 4 位 2 选 1 FET 多路复用器/多路解复用器 - 数字多路复用器/多路解复用器 - 多路复用器/多路解复用器(Mux/Demux) - 德州仪器

产品特性

5-Ω 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 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)

产品应用

Internet of Things
Wireless Headphones
Television Set
4-Bit Bus Multiplexing and Demultiplexing

产品说明

The SN74CBTLV3257 device is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.

The select (S) input controls the data flow. The FET multiplexers/demultiplexers are disabled when the output-enable (OE) input is high.

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN74CBTLV3257	SSOP (16)	4.90 mm × 3.90 mm
	TVSOP (16)	3.60 mm × 4.40 mm
	SOIC (16)	9.90 mm × 3.91 mm
	VQFN (16)	4.00 mm × 3.50 mm
	UQFN (16)	2.60 mm × 1.80 mm

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