? HOLTEK’s New HT66F0021/HT66F0031/HT66F0041 Cost-Effective MCUs
 
Taipei, Thursday, Jul 18, 2019, 12:37

Technology Front

HOLTEK’s New HT66F0021/HT66F0031/HT66F0041 Cost-Effective MCUs

Published: Jun 20,2019

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Holtek announced the release of three new high performance/cost ratio small package Flash MCUs, the HT66F0021, HT66F0031 and HT66F0041. These three new devices are especially designed for applications such as small household appliances but of course could see excellent use in other application areas.

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The HT66F0021 and HT66F0031 devices include 1K×14 bits of Flash Program Memory while the HT66F0041 includes 2K×14 bits of Flash Program Memory. These devices all have 64 bytes of SRAM, 32×14 bits of emulated EEPROM, an operating voltage of 1.8V~5.5V, a fast 4-channel 10-bit resolution A/D Converter, a Timer Module and an 8-bit PWM output. Two fully internal oscillator options are provided, one is an 8MHz HIRC and the other is a 32kHz LIRC. The integrated high resolution HIRC oscillation circuit has a resolution of ±0.5% under the conditions of fixed voltage and fixed temperature while the LIRC has a resolution of ±1%.

With regards to packaging, the HT66F0021 is supplied in an 8-pin SOP package type, the HT66F0031 is supplied in a 16-pin NSOP package type while the HT66F0041 is supplied in 16-pin/20-pin NSOP and 20-pin SSOP package types. Using these minimal size package types makes these devices very suitable for use in small profile household appliances.

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