TXS02612 - 具有电压电平转换功能的 SDIO 端口扩展器

TXS02612是TI德州仪器公司的一款应用特定电压转换产品，TXS02612是具有电压电平转换功能的 SDIO 端口扩展器，本站介绍了TXS02612的封装应用图解、特点和优点、功能等，并给出了与TXS02612相关的TI元器件型号供参考。

TXS02612 - 具有电压电平转换功能的 SDIO 端口扩展器 - 应用特定电压转换 - 电压电平转换 - 德州仪器

产品描述

产品特性

6-to-12 Demultiplexer/Multiplexer Allows SDIO Port Expansion
Built-in Level Translator Eliminates Voltage Mismatch Between Baseband and SD Card or SDIO Peripheral
VCCA, VCCB0, and VCCB1 Each Operate Over Full 1.1-V to 3.6-V Range
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Performance A Port
- 2000-V Human-Body Model (A114-B)
- 100-V Machine Model (A115-A)
- 1500-V Charged-Device Model (C101)
±8-kV Contact Discharge IEC 61000-4-2 ESD Performance (B Port)

MicroStar Junior is a trademark of Texas Instruments.

DESCRIPTION/ORDERING INFORMATION

The TXS02612 is designed to interface the cell phone baseband with external SDIO peripherals. The device includes a 6-channel SPDT switch with voltage-level translation capability. This allows a single SDIO port to be interfaced with two SDIO peripherals. The TXS02612 has three separate supply rails that operate over the full range of 1.1 V to 3.6 V. This allows the baseband and SDIO peripherals to operate at different supply voltages if required.

The select (SEL) input is used to choose between the B0 port and B1 port. When SEL = Low, B0 port is selected; when SEL = High, B1 port is selected. SEL is referenced to VCCA. For the unselected B port, the clock output is held low, whereas the data and command I/Os are pulled high to their respective VCCB through a 70-k resistor (±30% tolerance).

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