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PDF ET4555 Data sheet ( Hoja de datos )
| Número de pieza | ET4555 | |
| Descripción | Level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU | |
| Fabricantes | Etek Microelectronics | |
| Logotipo |  |
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General Description
The ET4555 is a level shifter analog circuit designed to translate the voltages between a SIM Card and an external
microcontroller or MPU. A built−in LDO−type DC−DC converter makes the ET4555 useable to drive 1.8 V & 3.0V SIM
card. The device fulfills the ISO7816−3 smart card interface standard as well as GSM 11.11 and related (11.12 and 11.18)
and 3G mobile requirements (IMT−2000/3G TS 31.101). With the pin a low current shutdown mode can be activated
making the battery life longer. The Card power supply voltage (SIM_VCC) is selected using a single pin (MOD_VCC).
Features
Supports 1.8V or 3.0V Operating SIM Card
The LDO is able to Supply More than 50mA under 1.8V & 3.0V
Built−in Pullup Resistor for I/O Pin in Both Directions
All Pins are Fully ESD Protected According to ISO−7816 Specifications – ESD Protection on SIM Pins in Excess of 7 kV
(Human Body Model)
Supports up to More than 5 MHz Clock
Package：QFN−16（ET4555Y）
Application
SIM Card Interface Circuit for 2G, 2.5G and 3G Mobile Phones
Identification Module
Smart Card Readers
Wireless PC Cards
Pin Configuration
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet ET4555.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ET4555 | Level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU | Etek Microelectronics |
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