Datasheet > DIO74557

DIO74557

更新时间： 2024-11-19 17:01:03

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
13页	978K
描述
The DIO74557 is designed for interfacing a SIM card with a low-voltage host-side interface (1.08 V

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DIO74557 数据手册

Rev 1.4

DIO74557

SIM Card Interface Level Shifter with EMI Filter and ESD

Protection

Features

Descriptions



Clock speeds up to 10 MHz

The DIO74557 is designed for interfacing a SIM



SIM card supply voltages range: from 1.65 V card with a low-voltage host-side interface (1.08 V

to 3.6 V

Host micro-controller operating voltage range: converting the I/O data, RST and CLK signals

1.08 V to 1.95 V between a SIM card and a host micro-controller.

Compliant with all ETSI, IMT-2000 and ISO- The device is integrated with pull-up resistors,

7816-3 SIM/Smart card interface requirements which means no external resistors is required,

to 1.95 V). It contains three level shifters,



Automatic level translation of I/O, RST and providing small overall solution size.

CLK between SIM card and host side interface

The DIO74557 is compliant with all ETSI, IMT-2000

with capacitance isolation

and ISO-7816-3

requirements.

SIM/Smart

card

interface



Automatic enable and disable through V_CCB

No external resistors required with integrated

pull-up and pull-down resistors

The DIO74557 is housed in QFN1.8*1.4-10 and



Integrated EMI filters suppress higher WLCSP-9 packages.

harmonics of digital I/Os

Level-shifting buffers keep ESD stress away

from the host

ESD protection:

IEC61000-4-2 level 4, contact and air discharge

Applications

on all SIM card-side pins, V_CCB, and GND are



Mobile and personal phones

±8 kV and ±15 kV respectively

Packaged in WLCSP-9 (0.3 mm pitch) and

QFN1.8*1.4-10

Wireless modems



SIM card terminals

Ordering Information

Ordering Part No.

Top Marking

MSL

RoHS

T_A

Package

DIO74557LP10

DIO74557WL9

YW5G

DE5G

Green

-40 to 85°C

QFN1.8*1.4-10

WLCSP-9

Tape & Reel, 3000

www.dioo.com

DIO74557• Rev. 1.4

- 1 -

12 3 4 5 6 7...13

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