Position: Home > DataSheet > Index H > HT6 Series > HT6676A, HT66P22AK, HT672A

Low Cost Custom Prototype PCB Manufacturer

HT6676A, HT66P22AK, HT672A

Table of contents:
Info of HT6676A
Info of HT66P22AK
Info of HT672A

HT6676A, HT66P22AK, HT672A Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:PLCC D/C:DIP-28

HT6676A, HT66P22AK, HT672A Datasheet download

Five Points

Part Number: HT6676A

MFG: HOLTEK

Package Cooled: PLCC

D/C: DIP-28

Attentive hint

Want to post a buying lead? If you are not a member yet, please select the specific/related part number first and then fill the quantity and your contact details in the "Request for Quotation Form" on the left, and then click "Send RFQ".Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.

How to buy ?

How long will receive a response.

Top Sellers:

TOP

HT672A General Description

The HT672Ais 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. The response data is transmitted using PWM/ASK modulation. Modulation of 13.56MHz is accomplished by damping the LC tank with a fixed baud rate.

The transmission information is stored in a 96 bits one time programmable memory OTP, with a 16-bit CRC code (up to 64 bits reserved for customer). The effective detection range for a small sized antenna is 2cm~10cm which is dependent on antenna format & reader design. The larger the antenna loop used the longer the detection range. It is advisable to use larger antenna to attain a 15 cm detection range.

Implementing Holtek's advanced OTP and low power technology, HT672A offers a very cost effective solution for RF contact less detection system.

A code area of 64-bits (max.) wide is provided so customers can program the device using the specified programmer supplied by Holtek. The pre-programmed ICsare also available upon customer's request.

HT672A Maximum Ratings

Supply Voltage (VDD) ...............................................6V
Supply Voltage (VPA) ..........................................12.5V
Input Voltage ............................V_SS-0.3V to V_DD+0.3V
Storage Temperature ...........................-50 to 125
Operating Temperature .............................0 to 70

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT672A Features

` Low low operating current (15A @ V_DD=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
` 13.56MHz carrier frequency
` Output data baud rate: 5kbps (Typ.)
` PWM/ASK modulation
` Built-in voltage limiter
` 8-pin DIP package available for engineering evaluation - not for volume production

HT672A Typical Application

· Interactive toys
· Security system
· Access control
· Anti-counterfeit for commercial product

HT672A Connection Diagram

Hotspot Suppliers Product

Product List A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9

MT58L64L18CT-10

Price: 4-6 USD

MT58L64L18CT-10 TQFP100
DL-7140-211M

Price: 5-6.5 USD

DL-7140-211M laser tube
74LVC74APG

Price: 4-5 USD

74LVC74APG - IC FLIP FLOP D-Type POS-EDG DUAL 14TSSOP
CY28346ZI-2

Price: 6.5-8 USD

CYPRESS - Clock Synthesizer with Differential CPU Outputs
PI5V330QEX

Price: 0.284-0.286 USD

PI5V330QEX Pericom Multiplexer Switch ICs
BSM300GA120DN2

Price: 1-2 USD

IGBT power module, Single switch, 1200 V, Collector-emitter voltage, 430A
SVA150XG04TB

Price: 1-2 USD

a-Si TFT-LCD, NEC, 228.096Hmm, 560V
PC354N1

Price: 0.124-0.2 USD

PC354N1T - Mini-flat Package, AC Input Type Photocoupler - Sharp Electrionic Components
RL1210JR-070R22L

Price: 0.177-0.178 USD

RL1210JR51-XX-BL - Thick Film Chip Resistor Low Ohmic - TAITRON Components Incorporated
STPS140A

Price: 0.053-0.055 USD

STPS140A - POWER SCHOTTKY RECTIFIER - STMicroelectronics
STA013

Price: 1.45-1.5 USD

STA013 - MPEG 2.5 LAYER III AUDIO DECODER - STMicroelectronics
SMBJ5347B

Price: 0.073-0.075 USD

SMBJ5347B - 5 Watt Surface Mount Silicon Zener Diodes - Micro Commercial Components