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MAX14502AETL+TG3U

更新时间： 2024-11-20 14:09:07
品牌 Logo 应用领域
美信 - MAXIM 商用集成电路
页数 文件大小 规格书
41页 408K
描述
Consumer Circuit

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中文翻译

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MAX14502AETL+TG3U 技术参数

是否Rohs认证： 符合生命周期：Obsolete
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.63商用集成电路类型：CONSUMER CIRCUIT
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

MAX14502AETL+TG3U 数据手册

 浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第2页浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第3页浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第4页浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第5页浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第6页浏览型号MAX14502AETL+TG3U的Datasheet PDF文件第7页 
19-4117; Rev 1; 4/09  
Hi-Speed USB-to-SD Card  
Readers with Bypass  
–MAX14503  
General Description  
Features  
♦ USB 2.0 Hi-Speed and Full-Speed Compliant  
♦ SDHC Card Support  
The MAX14500–MAX14503 USB-to-SD™ card readers  
provide a means for portable devices that support full-  
speed USB communication (12Mbps) with one or two  
SD card slots, upgrading the USB SD card reader func-  
tion to USB Hi-Speed (480Mbps) operation. The  
MAX14500–MAX14503 have two modes of operation:  
Pass Thru and Card Reader. In pass thru, the SD and  
USB signals pass through the MAX14500–MAX14503  
without modification, appearing like the device is not  
present. The host microprocessor firmware does not  
need modification, as there is no change from the host  
microprocessor’s perspective. In Card Reader mode,  
the MAX14500–MAX14503 implement a Hi-Speed USB  
card reader that operates independently of the host  
microprocessor. All the capabilities of the full-speed  
USB port and SD card slot are preserved with the addi-  
tional feature that allows a faster way for a PC to read or  
write to the SD card. The MAX14500–MAX14503 sup-  
port SD high capacity SDHC cards. The 40-pin TQFN  
version supports one SD card, while the 56-bump WLP  
version supports two SD cards.  
♦ Internal Hi-Speed USB SD Card Reader Eases  
Host µP Overhead  
♦ On-Chip Termination and Pullup Resistors  
♦ Internal SD Switches Allow For Multiplexing Two  
SD Cards on a Single-Microprocessor SD Port  
♦ Accommodates Clock Input Frequencies  
26MHz, 19.2MHz, 13MHz, and 12MHz  
♦ Internal Clock Squarer for Low-Amplitude TCXO  
Signals  
♦ No Power-Supply Sequencing Required  
♦ Compatible with +1.8V to +3.3V I/O Host  
Microprocessor  
♦ Simple Control Mode Requires Only a Single  
GPIO  
♦ I2C Control Provides Multiple Configuration  
Options  
The MAX14500–MAX14503 feature advanced power-  
saving modes to reduce power consumption in  
portable applications. The low-power Sleep modes  
allow the ability to disable internal circuit blocks, pro-  
viding power-saving operating modes. The default  
clock input for each part number is specified in the  
ordering information. The MAX14500–MAX14503 fea-  
ture the option to change the default values using the  
I2C interface.  
♦ I2C Control Required for Two SD Cards  
♦ On-Chip Power-On Reset/Brown-Out Reset  
Ordering Information/  
Selector Guide  
INPUT  
FREQUENCY  
(MHz)  
SD  
CARDS  
PIN-  
PACKAGE  
The MAX14500–MAX14503 are available in 5mm x  
5mm, 40-pin TQFN, and 3.23mm x 3.5mm, 56-bump  
WLP packages. These devices operate over a wide  
supply voltage range and are specified over the -40°C  
to +85°C extended temperature range.  
PART  
MAX14500ETL+*  
MAX14500AEWN+*  
MAX14501ETL+*  
MAX14501AEWN+*  
MAX14502AETL+  
MAX14502AEWN+*  
MAX14503ETL+*  
MAX14503AEWN+*  
12  
12  
1
2
1
2
1
2
1
2
40 TQFN-EP**  
56 WLP  
13  
40 TQFN-EP**  
56 WLP  
Applications  
13  
19.2  
19.2  
26  
40 TQFN-EP**  
56 WLP  
Cell Phones  
PDAs  
40 TQFN-EP**  
56 WLP  
MP3 Players  
Digital Still Cameras  
GPS  
26  
Note: All devices are specified over the -40°C to +85°C oper-  
ating temperature range.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*Future product—contact factory for availability.  
**EP = Exposed pad.  
SD is a trademark of the SD Card Association.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...41

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