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HT66F302 8SOP (5 pieces)

US$ 2.13
In stock
Product ID
HT66F302 8SOP


The HT66F302 has 1K x 14 bits Flash Program Memory, 64 bytes SRAM Data Memory, 32 bytes EEPROM Data Memory, two 10-bit Timer Modules, two Time Bases as well as an internal 12-bit A/D converter. The device includes a high frequency internal RC oscillator and a low frequency 32kHz internal RC oscillator. The internal high frequency oscillator has two selectable fixed frequencies of 4MHz and 8MHz that have a tolerance of ±1% at a fixed temperature and voltage or ±5% at a full range of temperature and voltage.


  1. Each purchasing unit includes 5 pieces of IC.
  2. The product image is for showing the product appearance, the pin count shown may not match the product pin count. Please check document for detail package information.

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1-9 - US$ 2.13
10-99 15% US$ 1.81
100-499 25% US$ 1.60
500+ 35% US$ 1.38
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  • Details


Part NumberHT66F002HT66F302
Internal Clock8MHz4MHz, 8MHz
Operating Voltage2.2V – 5.5V1.8V – 5.5V
System Clock8MHz or 32kHz4MHz, 8MHz or 32kHz
Program Memory (Flash)1K x 141K x 14
Data Memory (SRAM)64 x 864 x 8
Data EEPROM32 x 832 x 8
I/OUp to 8Up to 8
ADC12-bit x 412-bit x 4
Timer Module10-bit STM x 110-bit STMx1; 10-bit PTMx1
Package8SOP, 10MSOP8/10SOP
Operating Temperature-40°C to +85°C-40°C to +85°C
Packing mediatubetube

Development Tool

  1. Debug Adapter: e-Link
  2. Development Environment: HT-IDE3000


MCU: Holtek HT66F302, Cost Effective Flash MCU with EEPROM (including datasheet, software library, example code, etc.)

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