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FSSD07 — 1-Bit / 4-Bit SD/SDIO and MMC Dual-Host Multiplexer
March 2012
FSSD07
1-Bit / 4-Bit SD/SDIO and MMC Dual-Host Multiplexer
Features
On Resistance: 5Ω Typical, V
DDC
=2.7V
f
toggle
: >75MHz
Low On Capacitance: 6pF Typical
Low Power Consumption: 2µA Maximum
Supports Secure Digital (SD), Secure Digital I/O
Description
The FSSD07 is a 2:1 multiplexer that allows dual Secure
Digital (SD), Secure Digital I/O (SDIO), and Multimedia
Card (MMC) host controllers to share a common
peripheral. The host controllers can be equal to, greater
than, or less than peripheral card supply with minimal
power consumption. This configuration enables dual
host CMD, CLK, and D[3:0] signals to be multiplexed to
a common peripheral.
The architecture includes the necessary bi-directional
data and command transfer capability for single high-
voltage cards or dual-voltage supply cards. The clock
path is a uni-directional buffer.
Typical applications involve switching in portables and
consumer applications: cell phones, digital cameras,
home theater monitors, set-top boxes, and notebooks.
(SDIO), and Multimedia Card (MMC) Specifications
Supports 1-Bit / 4-Bit Host Controllers (V
DDH1/H2
=1.65V
to 3.6V) Communicating with
High-Voltage (2.7-3.6V) and Dual-Voltage Cards
(1.65-1.95V, 2.7-3.6V)
-
V
DDC
=1.65 to 3.6V, V
DDH1/H2
=1.65 to 3.6V
24-Lead MLP and UMLP Packages
Applications
Cell Phone, PDA, Digital Camera, Portable GPS, and
便携式数字数据采集系统（PDDAS）使用了LabVIEW实时模块和PXI，以控制风洞测试和采集记录来自128个不同通道的空气压力数据 "通过LabVIEW实时模块，可以在各种操作情况下获得采集空气压力数据及向风洞提供反馈控制信号所需的确定性响应时间。" – Dave Scheibenhoffer, G Systems 挑战: 用一个可采集、分析和存储来自下一代喷气式战斗机引擎设计的动...[详细]
51单片机
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