HT672A Datasheet 13.56MHz RFID Transponder

Manufacturer: Holtek Semiconductor

HT672A 13.56mhz rfid transponder by Holtek Semiconductor - Datasheet Preview

Datasheet Details

Part number	HT672A
Manufacturer	Holtek Semiconductor
File Size	151.21 KB
Description	13.56MHz RFID Transponder
Download	HT672A Download (PDF)

General Description

The HT672A is an RF transponder IC with 13.56MHz RF carrier, which provides a low cost battery less transponder solution when combined with an external inductor.

The inductor and internal capacitor form an LC tank which induce voltage from the radiated 13.56MHz carrier signal generated from the reader antenna.

HT672A has a built-in low power RC oscillator which is activated if the induced carrier field strength is high enough to supply the operating current and the response signal (pre-programmed in the OTP memory) is serially transmitted out.

Overview

www.DataSheet4U.com HT672A 13.56MHz RFID Transponder · 13.56MHz carrier frequency · Output data baud rate: 5kbps (Typ.

Key Features

Low low operating current (15mA @ VDD=2V).
Wide range operating voltage.
Battery less RF transponder.
Data transmission in read-only operation.
Max. of 64-bits customer programmable data.
16-bits CRC error detection code.
OTP data memory evaluation - not for volume production.

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