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MAX1841EUB+T

更新时间： 2024-10-03 13:10:23
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MAX1841EUB+T 数据手册

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19-1716; Rev 0; 4/00  
Low-Voltage SIM/Smart Card  
Level Translators in µMAX  
General Description  
Features  
The MAX1840/MAX1841 subscriber identity module  
(SIM)/smart card level translators provide level shifting  
and electrostatic discharge (ESD) protection for SIM and  
smart card ports. These devices integrate two unidirec-  
tional level shifters for the reset and clock signals, a bidi-  
rectional level shifter for the serial data stream, and  
10kꢀ ESD protection on all card contacts.  
o SIM/Smart Card Level Shifting  
o +1.4V to +5.5V Controller Voltage Range  
o +1.7V to +5.5V Card Voltage Range  
o
1ꢀ0V ꢁSꢂ Card Soꢃ0et ꢄroteꢃtion  
o Allows Level Translation with ꢂV  
≥ V  
or  
CC  
CC  
The MAX1840 includes a SHDN control input to aid  
insertion and removal of SIM and smart cards, while the  
MAX1841 includes a system-side data driver to support  
system controllers without open-drain outputs. The logic  
supply voltage range is +1.4ꢀ to +5.5ꢀ for the “controller  
side” and +1.7ꢀ to +5.5ꢀ for the “card side.” Total sup-  
ply current is 1.0µA. Both devices automatically shut  
down when either power supply is removed. For a com-  
plete SIM card interface, combine the MAX1840/  
MAX1841 with the MAX1686H 0ꢀ/3ꢀ/5ꢀ regulated  
charge pump.  
ꢂV  
≤ V  
CC  
CC  
o Automatiꢃally Shuts ꢂown When ꢁither Supply Is  
Removed  
o Card Contaꢃts Aꢃtively ꢄulled Low ꢂuring  
Shutdown  
o 1µA Total Quiesꢃent Supply Current  
o ꢀ.ꢀ1µA Total Shutdown Supply Current  
o Ultra-Small 1ꢀ-ꢄin µMAX ꢄaꢃ0age  
o Compliant with GSM Test Speꢃifiꢃations 11.11  
The MAX1840/MAX1841 are available in ultra-small  
10-pin µMAX packages that are only 1.09mm high and  
half the area of an 8-pin SO.  
and 11.12  
The MAX1840/MAX1841 are compliant with GSM test  
specifications 11.11 and 11.12.  
Applications  
Ordering Information  
SIM Interface in GSM Cellular Telephones  
ꢄART  
TꢁMꢄ. RANGꢁ  
-40°C to +85°C  
-40°C to +85°C  
ꢄIN-ꢄACKAGꢁ  
MAX184ꢀEUB  
MAX1841EUB  
10 µMAX  
Smart Card Readers  
10 µMAX  
Logic Level Translation  
SPI™/QSPI™/MICROWIRE™ Level Translation  
Typical Operating Circuit  
Pin Configuration  
DV  
V
CC  
CC  
TOP VIEW  
V
V
CC  
CC  
DV  
DV  
CC  
CC  
DATA  
DV  
1
2
3
4
5
10 IO  
RIN  
RST  
RST  
SIM OR  
9
8
7
6
V
CC  
CC  
CIN  
RIN  
CLK  
RST  
GND  
MAX1840  
MAX1841  
SYSTEM  
CONTROLLER  
MAX1840  
MAX1841  
SMART  
CARD  
CLK  
CLK  
CIN  
SHDN (DDRV)  
DATA  
SHDN*  
DDRV*  
µMAX  
OPTIONAL  
OPTIONAL  
( ) ARE FOR MAX1841.  
IO  
IO  
GND  
GND  
GND  
SPI and QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
*
SHDN FOR MAX1840 ONLY;  
DDRV FOR MAX1841 ONLY.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
12345678

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MAX1841EUB+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1841EUB+ MAXIM

完全替代

 Interface Circuit, PDSO10, 1.09 MM HEIGHT, ULTRA SMALL, EXPOSED PAD, MICRO MAX PACKAGE-10

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