Datasheet > H40018P

H40018P

更新时间： 2024-09-24 03:40:43

品牌	Logo	应用领域
EMMICRO		装置
页数	文件大小	规格书
5页	127K
描述
READ-ONLY CONTACTLESS IDENTIFICATION DEVICE

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中文翻译

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数据手册

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H40018P 数据手册

H4001

EM MICROELECTRONIC-MARIN SA

READ-ONLY CONTACTLESS

IDENTIFICATION DEVICE

Features

Typical Operating Configuration

64 bit memory array laser programmable

Wide dynamic range due to on chip buffer

capacitance & voltage limiter on chip.

Full wave rectifier on chip

Big modulation depth due to a low impedance

modulation device

50'000 baud reading speed at 3 MHz

Very small chip size convenient for implantation

Unsensitive close to metal

Large distance even without resonance capacitor

No external buffer capacitance needed due to low

power consumption

COIL 1

H4001

COIL 2

Description

The H4001 is a CMOS integrated circuit for use in

transponders. The circuit is powered by an external

coil placed in a magnetic field, and gets its clock from

the same field via one of the coil terminals. The other

coil terminal is affected by the modulator, turning on

and off the modulation current in order to send back

the 64 bits of information contained in a factory

pre-programmed memory array.

Typical value of inductance at 125 KHz is 2 mH

The capacitor is adjusted to the resonance

Fig. 1

The programming of the chip is performed by laser

fusing of polysilicon links in order to store a unique

code on each chip.

Pin Assignment

The serial output data string contains a 9 bits header,

40 bits of data, 14 parity bits, and 1 stop bit.

COIL 2

Due to the low power consumption of the logic core,

no supply buffer capacitor is required. Only an external

coil is required to obtain the chip function. A parallel

capacitor adjusted with the coil to obtain resonnance,

will increase the read distance.

COIL 1

Applications

Industrial transponder

Animal transponder

ID Cards

COIL 1

COIL 2

coil terminal/ clock input

coil terminal/ data transmisssion

Serial Number Identification ROM

Fig. 2

12 3 4 5

中文翻译

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