Category

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC CMP PWM Interface Package
HT66F302 8MHz 1.8V~5.5V 1K×14 64×8 32×8 2 -- 8 10-bit STM×1
10-bit PTM×1
12-bit×4 -- -- -- 8SOP
10SOP
HT66F303 -- 14 16NSOP
HT66F0025 8MHz 2.2V~5.5V 2K×14 64×8 32×8 4 -- 8 10-bit STM×1 12-bit×4 -- -- -- 8SOP
10SOP
HT66F2030 8MHz 1.8V~5.5V 2K×15 128×8 32×8 4 -- 14 10-bit CTM×1
10-bit PTM×1
12-bit×4 -- -- UART×1
SPI/I²C×1
8SOP,10MSOP
16NSOP,16QFN
HT66F2040 8MHz 1.8V~5.5V 4K×16 512×8 512×8 8 18 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
12-bit×7 2 -- UART×1
UART/SPI/I²C×1
8SOP,10MSOP
16NSOP,16QFN
20SSOP
HT66F2050 8K×16
Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC PWM CMP Package
HT68F001 32kHz 1.8V~5.5V 0.5K×12 16×8 -- 2 6 8-bit Timer×1 -- -- -- 8SOP
HT68F002 8MHz 2.2V~5.5V 1K×14 64×8 32×8 2 8 10-bit STM×1 -- -- -- 8SOP, 10MSOP
HT66F0021 8MHz 1.8V~5.5V 64×8 32×14# 6 8-bit×1 10-bit×4 8-bit×1 -- 8SOP
HT66F002 8MHz 2.2V~5.5V 64×8 32×8 8 10-bit STM×1 12-bit×4 -- -- 8SOP
HT66F007 20MHz 2.2V~5.5V 2K×16 160×8 512×8 8 8 10-bit CTM×2
16-bit STM×1
12-bit×5 -- 1 8DIP/SOP
10MSOP

Note: # Emulated EEPROM.

Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
I/O RTC AD Timer CMP Stack Package
HT66F03 20MHz 2.2V~5.5V 1K×14 64×8 64×8 8 12-bit×4 CTM 10-bit×1
STM 10-bit×1
1 4 10MSOP
16NSOP
HT66F04 20MHz 2.2V~5.5V 2K×15 96×8 64×8 8 12-bit×4 CTM 10-bit×1
STM 10-bit×1
ETM 10-bit×1
1 8 10MSOP
16NSOP

Note: The internal clock in the table is a fully integrated RC oscillator requiring no external components which can be used as the system clock.

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC CMP RTC PWM Interface Package
HT66F3126 16MHz 1.8V~5.5V 1K×14 128×8 64×8 4 -- 14 10-bit PTM×1
10-bit STM×1
12-bit×7 -- -- -- -- 8SOP, 16NSOP
HT66F3132 16MHz 1.8V~5.5V 2K×15 128×8 64×8 4 -- 18 10-bit CTM×1
10-bit PTM×2
12-bit×9 -- -- 10-bit×3 -- 16NSOP, 20SSOP
HT66F3142 16MHz 1.8V~5.5V 4K×15 256×8 128×8 12 -- 22 10-bit CTM×1
10-bit PTM×2
12-bit×12 -- 10-bit×3 -- 16NSOP,24SSOP
HT66F004 8MHz 2.2V~5.5V 2K×15 96×8 32×8 4 -- 18 10-bit PTM×2 12-bit×8 -- -- -- -- 16NSOP
HT66F3184 16MHz 1.8V~5.5V 4K×16 256×8 128×8 6 -- 22 10-bit PTM×1
10-bit STM×1
12-bit×12 -- -- -- -- 16NSOP, 24SSOP
20QFN, 24QFN
HT66F3185 8 26 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
1 -- UART×1
SPI/I²C×1
16NSOP, 20NSOP
24SSOP, 28SSOP
24QFN, 28QFN
HT66F3194 16MHz 1.8V~5.5V 8K×16 512×8 128×8 6 -- 22 10-bit PTM×1
10-bit STM×1
12-bit×12 -- -- -- -- 20NSOP
24SSOP, 24QFN
HT66F3195 8 26 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
1 -- UART×1
SPI/I²C×1
20NSOP
24SSOP, 28SSOP
24QFN, 28QFN
HT66F31A5 16MHz 1.8V~5.5V 16K×16 1024×8 1024×8 12 30 10-bit PTM×2
16-bit CTM×1
16-bit STM×1
12-bit×12 1 -- UART×2
SPI/I²C×1
24SSOP, 28SSOP
24QFN, 28QFN
32QFN
HT66F2362 16MHz 1.8V~5.5V 16K×16 2048×8 1024×8 16 44 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit×16 2 -- UART×2
SPI/I²C×1
SPIA×1
32QFN
44LQFP, 48LQFP
HT66F2372 16MHz 1.8V~5.5V 32K×16 3072×8 2048×8 16 44 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit×16 2 -- UART×3
SPI/I²C×1
SPIA×1
28SSOP, 32QFN
44LQFP, 48LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC LCD CMP RTC Interface Package
HT67F489 16MHz 2.2V~5.5V 8K×16 256×8 64×8 8 -- 42 10-bit CTM×3
10-bit PTM×1
12-bit×10 20×8
20×4
-- UART×1 44LQFP
HT67F4892 384×8 50 32×4, 32×8
28×4, 28×8
UART×1
SPI/I²C×1
48LQFP
52LQFP
HT67F2355 12MHz 1.8V~5.5V 8K×16 512×8 512×8 8 46 10-bit CTM×3
10-bit PTM×1
12-bit×10 32×4, 31×5
30×6, 28×8
-- UART×1
SPI/I²C×1
44LQFP
48LQFP
HT67F2362A 16MHz 1.8V~5.5V 16K×16 2048×8 1024×8 16 57 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×16 46×4
44×6
42×8
2 UART×2
SPI/I²C×1
SPIA×1
48LQFP
64LQFP
HT67F2372A 16MHz 1.8V~5.5V 32K×16 3072×8 2048×8 16 71 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×20 27×8
42×8
52×8
2 UART×3
SPI/I²C×1
SPIA×1
48LQFP
64LQFP
80LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer LCD RTC Interface Package
HT69F340 16MHz 1.8V~5.5V 4K×16 256×8 64×8 8 39 10-bit PTM×1
10-bit CTM×1
24×4
25×3
SPI/I²C×1 48LQFP
HT69F350 16MHz 1.8V~5.5V 8K×16 512×8 64×8 8 55 10-bit PTM×1
10-bit CTM×1
16-bit STM×1
36×4
37×3
SPI/I²C×1 48LQFP
64LQFP
HT69F360 16MHz 1.8V~5.5V 16K×16 1024×8 128×8 8 63 10-bit PTM×2
10-bit CTM×1
16-bit STM×1
48×4
49×3
UART×1
SPI/I²C×1
64LQFP
80LQFP
Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC LCD RTC CMP Interface Package
HT67F50 16MHz 2.2V~
5.5V
8K×16 384×8 256×8 8 -- 52 10-bit CTM×2
10-bit ETM×1
16-bit STM×1
12-bit×8 40×4
41×3
2 SPI/I²C×1
SPIA×1
48/64/80
LQFP
HT67F60A 16MHz 2.2V~
5.5V
16K×16 1024×8 128×8 16 47 10-bit CTM×2
10-bit ETM×1
16-bit STM×3
12-bit×12 56×4 2 SPI/I²C×1
SPIA×1
48/64/80
LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC Temp.
Sensor
RTC Interface Package
HT66L2530A 16MHz 1.8V~
5.5V
2K×16 128×8 128×8 8 18 16-bit PTM×1
16-bit STM×1
10/12-bit
×4
UART/SPI/I²C×1 16NSOP, 20NSOP
16QFN, 20QFN
HT66L2540A 16MHz 1.8V~
5.5V
4K×16 256×8 256×8 8 26 16-bit PTM×1
16-bit STM×1
10/12-bit
×8
UART/SPI/I²C×1 16NSOP, 24SSOP
28SSOP, 28QFN
HT66L2550A 16MHz 1.8V~
5.5V
8K×16 512×8 256×8 8 30 16-bit PTM×2
16-bit STM×1
10/12-bit
×8
UART/SPI/I²C×1 24SSOP, 28SSOP
32QFN

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC Temp.
Sensor
LCD RTC Interface Package
HT67L2540A 16MHz 1.8V~
5.5V
4K×16 256×8 256×8 8 22 16-bit PTM×1
16-bit STM×1
10/12-bit
×8
24×4 UART/SPI/I²C×1 48LQFP
HT67L2550A 16MHz 1.8V~
5.5V
8K×16 512×8 512×8 8 30 16-bit PTM×2
16-bit STM×1
10/12-bit
×8
32×4 UART/SPI/I²C×1 48LQFP
64LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC DAC Voice
DAC
CMP OPA RTC Interface Package
HT66F4550 12MHz 2.2V~
5.5V
8K×16 384×8 64×8 8 26 10-bit STM×2
10-bit PTM×2
12-bit
×8
8-bit
×3
16-bit
×1
2 2 UART×1
SPI/I²C×1
24SSOP
28SSOP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC Temp.
Sensor
DAC CMP OPA PWM Interface Package
HT66F4640 16MHz 1.8V~
5.5V
4K×16 512×8 512×8 8 22 10-bit CTM×1
10-bit PTM×1
12-bit
×8
8-bit
×3
2 2 16-bit×1 UART×1
SPI/I²C×1
24SSOP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC Touch
Key
LCD RTC IR
Driver
Interface Package
BX68R2420 4MHz 2.0V~
5.5V
1K×14 32×8 -- 2 -- 16 9-bit×1 -- -- -- -- -- 8SOP
16NSOP
20NSOP
20SSOP
HT68F2420 4MHz 1.8V~
5.5V
1K×13 32×8 -- 2 -- 16 9-bit×1 -- -- -- -- -- 8SOP
16NSOP
20SSOP
HT67F2432 4MHz 1.8V~
5.5V
2K×16 128×8 32×16 6 -- 26 9-bit×1
10-bit CTM×1
10-bit
×4
-- 20×4 -- UART×1 24SSOP
28SOP
28SSOP
BS67F2432 4MHz 1.8V~
5.5V
2K×16 128×8 32×16 6 -- 21 9-bit×1
10-bit CTM×1
10-bit
×4
8 15×4 -- UART×1 28SSOP
32QFN
HT67F2452 4MHz 1.8V~
5.5V
8K×16 512×8 128×8 8 44 10-bit CTM×1
10-bit PTM×1
16-bit STM×1
12-bit
×8
-- 30×4
29×5
28×6
UART×1 32LQFP
44LQFP
48LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Stack I/O Timer Multiple
RGB LED
Constant
Current
Interface Package
HT45F0062 8MHz 2.2V~5.5V 2K×16 128×8 4 14 10-bit CTM×1 12 I²C×1
Cascade
16NSOP-EP
16QFN

Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
I/O A/D Timer Comparator RTC Interface Stack Package
HT66F30 20MHz 2.2V~
5.5V
2K×14 96×8 64×8 22 12-bit×8 10-bit CTM×1
10-bit ETM×1
2 SPI/I²C×1 4 16NSOP
20SOP
24SOP/SSOP
HT66F40 20MHz 2.2V~
5.5V
4K×15 192×8 128×8 42 12-bit×8 10-bit CTM×1
10-bit ETM×1
16-bit STM×1
2 SPI/I²C×1 8 24/28SOP/SSOP
HT66F50 20MHz 2.2V~
5.5V
8K×16 384×8 256×8 42 12-bit×8 10-bit CTM×2
10-bit ETM×1
16-bit STM×1
2 SPI/I²C×1 8 28SOP/SSOP
HT66F30-1 20MHz 2.2V~
5.5V
2K×16 96×8 64×8 22 12-bit×8 10-bit CTM×1,
10-bit ETM×1
2 SPI/I²C×1 4 16NSOP/SSOP
20SOP/SSOP
24SOP/SSOP

Note: 1. All devices include a fully integrated RC system oscillator.
2. Four I/O lines on each device can be configured as software LCD COM driver pins.

Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC PWM SCOM Package
HT68F003 8MHz 2.2V~5.5V 1K×14 64×8 32×8 2 14 10-bit STM×1
10-bit PTM×1
-- -- -- 16NSOP
HT66F0031 1.8V~5.5V 32×14# 14 8-bit×1 10-bit×4 8-bit×1
HT66F003 2.2V~5.5V 32×8 14 10-bit STM×1
10-bit PTM×1
12-bit×4 --
HT66F0041 8MHz 1.8V~5.5V 2K×14 64×8 32×14# 4 18 8-bit×1 10-bit×4 8-bit×1 -- 16/20NSOP, 20SSOP

Note: # Emulated EEPROM.

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC SCOM/
SSEG*
CMP RTC High Current
LED Driver
Inter-
face
Package
HT66F017 20MHz 2.2V~
5.5V
2K×16 128×8 64×8 8 -- 14 16-bit CTM×1
16-bit STM×1
12-bit
×4
-- 1 -- -- -- 16NSOP
HT66F0176 128×8 64×8 22 10-bit PTM×2 12-bit
×8
SCOM×6
SSEG×14
-- 22 SPI/I²C×1
UART×1
16/20NSOP
24SOP/SSOP
HT66F0181 8MHz 1.8V~
5.5V
4K×15 128×8 32×15*1 6 -- 18 10-bit PTM×1
10-bit STM×1
10-bit
×8
-- -- -- 18 -- 16/20NSOP
20SOP/SSOP
HT66F0182 2.2V~
5.5V
4K×16 -- 12-bit
×8
-- 16/20NSOP
HT66F018 20MHz 2.2V~
5.5V
4K×16 192×8 64×8 8 -- 18 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
12-bit
×8
1 16/20NSOP
20SOP/SSOP
20QFN
HT66F0185 20MHz 4K×16 256×8 128×8 8 -- 26 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
12-bit
×8
SCOM×6
SSEG×18
1 26 SPI/I²C×1
UART×1
24/28SOP/SSOP
HT66F019 16MHz 2.2V~
5.5V
8K×16 256×8 64×8 8 -- 18 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
12-bit
×8
-- 1 18 SPI/I²C×1
UART×1
20NSOP
HT66F0195 512×8 128×8 26 12-bit
×12
SCOM×6
SSEG×18
26 24/28SSOP

Note: *SCOM/SSEG: Software Control LCD Common/Segment.

Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
I/O Timer A/D PWM PFD Stack Package
HT46F47E 12MHz 2.2V~5.5V 2K×14 64×8 128×8 13 8-bitx1 9-bit×4 8-bit×1 6 18SOP
20SSOP

Part No. Max. Freq. VDD Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC Package
HT66F2630 8MHz 1.8V~5.5V 2K×16 128×8 64×8 8 18 16-bit PTM×1 12-bit×4 8SOP
16NSOP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC SCOM CMP RTC High Current
LED Driver
Interface Package
HT66F319 16MHz 1.8V~
5.5V
8K×16 256×8 64×8 8 26 10-bit PTM×1
16-bit CTM×1
16-bit STM×1
12-bit×8 4 1 26 I²C×1
UART×1
16NSOP
20/24/28SOP/SSOP

Note: SCOM/SSEG: Software Control LCD Common/Segment.

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC SCOM RTC Comparator CRC Interface Package
HT66F2350 16MHz 2.2V~
5.5V
8K×16 768×8 256×8 16 44 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit
×12
4 2

SPI/I²C×1
SPIA×1
UART×2

48LQFP
HT66F2360 16MHz 2.2V~
5.5V
16K×16 1536×8 256×8 16 58 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit
×16
4 2

SPI/I²C×1
SPIA×1
UART×2

48/64LQFP
HT66F2370 16MHz 2.2V~
5.5V
32K×16 3072×8 512×8 16 58 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit
×16
4 2

SPI/I²C×1
SPIA×1
UART×3

48/64LQFP
HT66F2390 16MHz 2.2V~
5.5V
64K×16 4096×8 1024×8 16 58 10-bit PTM×2
16-bit PTM×2
16-bit STM×3
12-bit
×16
4 2

SPI/I²C×1
SPIA×1
UART×3

48/64LQFP

Note: These devices conform to the European standard IEC 60730 and the U.S. standard UL 60730 certified.

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
Stack IAP I/O Timer ADC LCD RTC Comparator CRC Interface Package
HT67F2350 16MHz 2.2V~
5.5V
8K×16 768×8 256×8 16 57 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×12 46×4
44×6
42×8
2

SPI/I²C×1
SPIA×1
UART×2

48/64LQFP
HT67F2360 16MHz 2.2V~
5.5V
16K×16 1536×8 256×8 16 71 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×16 56×4
54×6
52×8
2 SPI/I²C×1
SPIA×1
UART×2
64/80LQFP
HT67F2370 16MHz 2.2V~
5.5V
32K×16 3072×8 512×8 16 71 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×16 56×4
54×6
52×8
2 SPI/I²C×1
SPIA×1
UART×3
64/80LQFP
HT67F2390 16MHz 2.2V~
5.5V
64K×16 4096×8 1024×8 16 71 10-bit PTM×6
16-bit PTM×2
16-bit STM×3
12-bit×16 56×4
54×6
52×8
2 SPI/I²C×1
SPIA×1
UART×3
64/80LQFP

Part No. Internal
Clock
VDD System
Clock
Program
Memory
Data
Memory
Data
EEPROM
I/O LCD Timer RTC A/D Comparator Interface Stack Package
HT67F5630 4.91MHz
9.83MHz
14.74MHz
2.2V~
5.5V
400kHz~
20MHz or
32kHz
2Kx16 128x8 32x8 27 15x4 10-bit CTMx1
10-bit PTMx1
-- 24-bitx4 1 -- 6 48LQFP
HT67F5650 4.91MHz
9.83MHz
14.74MHz
2.2V~
5.5V
400kHz~
20MHz or
32kHz
8Kx16 512x8 128x8 32 40x4 10-bit CTMx1
16-bit STMx1
10-bit PTMx2
24-bitx8 2 SPI/I²Cx1
UARTx1
8 64/80LQFP
HT67F5660 4.91MHz
9.83MHz
14.74MHz
2.2V~
5.5V
400kHz~
20MHz or
32kHz
16Kx16 1024x8 256x8 32 48x4 10-bit CTMx1
16-bit STMx1
10-bit PTMx2
24-bitx8 2 SPI/I²Cx1
UARTx1
8 64/80LQFP

Part No. Internal
Clock
VDD System
Clock
Program
Memory
Data
Memory
Data
EEPROM
Stack I/O Timer ADC DAC RTC PWM PFD OPA Comparator Interface Package
HT45F23A 910kHz
2MHz
4MHz
8MHz
2.2V~
5.5V
400kHz~
8MHz or
32kHz
2K×15 128×8 64×8 6 22 8-bit×1
16-bit×1
12-bit×6 12-bit×1 8-bit×2 2 2 SPI/I²C×1 16NSOP
20/24SSOP
HT45F24A 910kHz
2MHz
4MHz
8MHz
2.2V~
5.5V
400kHz~
8MHz or
32kHz
4K×16 192×8 64×8 6 26 8-bit×1
16-bit×1
12-bit×8 12-bit×1 8-bit×2 2 2 SPI/I²C×1 20/24/28
SSOP