AS3953A-BDFM datasheet(3/71 Pages) AMSOSRAM

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[v1-05] 2019-Feb-15

AS3953A − General Description

Key Benefits & Features

The benefits and features of AS3953A, 14443 High Speed

Passive Tag Interface are listed below:

Figure 1:

Added Value of Using AS3953A

Benefits

Features

• NFC Forum compliance for full

interoperability

• ISO 14443A compliant to Level-4

• Internal user memory for standalone

application

• 1kbit EEPROM (108 bytes of user memory)

• Allows zero-power standby

• Configurable wake-up interrupt (after tag is selected or

using proprietary command)

• Enables long battery life time, or

battery-less designs

• Powered from external magnetic field with the possibility to

draw up to 5mA

• Allows supply of external circuitry

• User configurable regulated voltage extracted from external

magnetic field

• Data rate transmission up to the

maximum allowed by ISO 14443A

compliance

• Bit rates from 106 kbit/s till 848 kbit/s

• 7 byte UID

• Easy and fast antenna design and

impedance matching

• Integrated resonant capacitor

• Guarantees no reset during reader (PCD)

modulation

• Integrated buffer capacitor

• Design flexibility, easy integration.

• Fits requirements for various embedded

applications and manage of external

microcontroller

• 4-wire Serial Peripheral Interface (SPI) with 32 byte FIFO

• Fits supply requirements for various

applications, including industrial

• Wide SPI power supply range (1.65V to 3.6V)

• Flexibility for wide range of applications

• Wide temperature range: -40ºC to 85ºC

• Small outline, compatibility to common

inlay and card manufacturing lines,

surface-mount assembly

• Available as WLCSP 10-bumps, 10-pin MLPD (3mmx3mm)

and tested sawn wafers

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