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4-Bit Single Chip Micro Mini MCU with small DIE size and Low Power (some devices can operate below 1.5V). All items come with a built-in LCD Segment Driver. This Family is ideal for portable products such as remote controllers, gifts, toys, clocks, timers, and thermometers.

Part No. Working Voltage ROM Size RAM Size Working Frequency System Clock IO LCD Share Output LCD Others Package Status* RoHS
1.2-1.8v 2k*16 128*4

H:400KHZ~1MHz,
L:32768Hz

 Single
Crystal/RC		 20 - - MFP DIP:18,20,28; SOP:20,28 P Y
1.2-3.6v 1/1.5 / 2k*16 64/96 / 128*4

H:100K~800KHz;
L:32768Hz

 Single / Dual
Crystal/RC		 12 16 4*16 MFP 44PLCC P Y
1.2-1.8v 2k*16 64*4

H:400KHZ~1MHz,
L:32768Hz

 Single
Crystal/RC		 12 - 4*24 MFP 80 QFP P Y
1.2-1.8v 2k*16 128*4

H:400KHZ~1MHz,
L:32768Hz

 Single
Crystal/RC		 20 24 4*24 MFP 80 QFP P Y
1.2-3.6v 2k*16 128*4

H:400KHZ~1MHz,

 Single / Dual 20 32 4*32 MFP 80 QFP P Y
1.2-3.6v 4k*16 256*4

H:400KHZ~1MHz,

 Single / Dual 20 32 4*32 MFP 80 QFP P Y
2.4-5.5v 2k*16 128*4

H:400KHZ~4MHz,
L:32768Hz

 Single
Crystal/RC		 20 - - MFP DIP:18,20,28; SOP:20,28 P Y
2.4-5.5v 2k*16 128*4

H:400KHZ~4MHz,
L:32768Hz

 Single
Crystal/RC		 20 24 4*24 MFP 80 QFP P Y
2.4-5.5v 2k*16 128*4

H:400KHZ~4MHz,
L:32768Hz

 Single / Dual
Crystal/RC		 20 32 4*32 MFP 80 QFP P Y
2.4-5.5v 4k*16 256*4

H:400KHZ~4MHz,
L:32768Hz

 Single / Dual
Crystal/RC		 20 32 4*32 MFP 80 QFP P Y
2.4-5.5v 2k*16 128*4

H:400KHZ~4MHz,
L:32768Hz

 Single
Crystal/RC		 20 - - MFP DIP:18,20,28; SOP:20,28 P Y
2.4-5.5v 2k*16 128*4

H:400KHZ~4MHz,
L:32768Hz

 Single / Dual
Crystal/RC		 20 32 4*32 MFP 80 QFP P Y
2.4-5.5v 4k*16 256*4

H:400KHZ~4MHz,
L:32768Hz

 Single / Dual
Crystal/RC		 20 32 4*32 MFP 80 QFP P Y
*Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time) = Under Development (Ready Time), EOL=End of life.

Contact us:  4bit-HA@nuvoton.com