| N79E825 新唐科技 · Low Pin Count 8051 | 8051 | 20 MHz | 16 KB | 0.25 KB | 2.7 ~ 5.5 V | -40 ~ 85°C | SOP20 | 18 | 1 | |
| N79E854 新唐科技 · Low Pin Count 8051 | 8051 | 24 MHz | 8 KB | — | 2.4 ~ 5.5 V | -40 ~ 85°C | TSSOP28 | 25 | 1 | |
| N79E822 新唐科技 · Low Pin Count 8051 | 8051 | 20 MHz | — | 0.25 KB | 2.7 ~ 5.5 V | -40 ~ 85°C | SOP20 | 18 | 1 | |
| N79E823 新唐科技 · Low Pin Count 8051 | 8051 | 20 MHz | — | 0.25 KB | 2.7 ~ 5.5 V | -40 ~ 85°C | SOP20 | 18 | 1 | |
| N79E824 新唐科技 · Low Pin Count 8051 | 8051 | 20 MHz | — | 0.25 KB | 2.7 ~ 5.5 V | -40 ~ 85°C | SOP20 | 18 | 1 | |
| N79E844 新唐科技 · Low Pin Count 8051 | — | 24 MHz | 8 KB | — | 2.4 ~ 5.5 V | -40 ~ 85°C | TSSOP20 | 17 | 1 | |
| N79E855 新唐科技 · Low Pin Count 8051 | 8051 | 24 MHz | 16 KB | — | 2.4 ~ 5.5 V | -40 ~ 85°C | TSSOP28 | 25 | 1 | |
| NUC122SC1AN 新唐科技 · NUC120/122/123/220 USB | Cortex-M0 | 60 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | 41 | 2 | |
| NUC122SD2AN 新唐科技 · NUC120/122/123/220 USB | Cortex-M0 | 60 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | 41 | 2 | |
| NUC140RD2CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | — | 8 KB | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | — | |
| N76E616 新唐科技 · Low Pin Count 8051 | 8051 | 16 MHz | 18 KB | 0.25 KB | 2.4 ~ 5.5 V | -40 ~ 105°C | LQFP48, PQFP44, LQFP44 | 46 | 2 | |
| N79E715 新唐科技 · Low Pin Count 8051 | 8051 | 24 MHz | 16 KB | 0.5 KB | 2.4 ~ 5.5 V | -40 ~ 85°C | — | 25 | 1 | |
| N79E845 新唐科技 · Low Pin Count 8051 | — | 24 MHz | 16 KB | — | 2.4 ~ 5.5 V | -40 ~ 85°C | TSSOP20 | 17 | 1 | |
| NUC130RC1CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | 3 | |
| NUC130RD2CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | 3 | |
| NUC130RE3CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | 3 | |
| NUC130VE3CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP100 | — | 3 | |
| NUC140RC1CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | — | |
| NUC140RE3CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP64 | — | — | |
| NUC140VE3CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP100 | — | — | |
| NUC130LC1CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP48 | — | 3 | |
| NUC130LD2CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP48 | — | 3 | |
| NUC130LE3CN 新唐科技 · NUC130/230 CAN | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP48 | — | 3 | |
| NUC140LD2CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | — | 8 KB | 2.5 ~ 5.5 V | -40 ~ 85°C | — | — | — | |
| N78E055A 新唐科技 · Standard 8051 | 8051 | 40 MHz | 16 KB | 0.25 KB | 2.4 ~ 5.5 V | -40 ~ 85°C | DIP40 | — | 1 | |
| N78E059A 新唐科技 · Standard 8051 | 8051 | 40 MHz | 32 KB | 0.25 KB | 2.4 ~ 5.5 V | -40 ~ 85°C | DIP40 | — | 1 | |
| NUC122LC1AN 新唐科技 · NUC120/122/123/220 USB | Cortex-M0 | 60 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP48 | — | 2 | |
| NUC122LD2AN 新唐科技 · NUC120/122/123/220 USB | Cortex-M0 | 60 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | LQFP48 | — | 2 | |
| NUC140LC1CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | — | — | 2.5 ~ 5.5 V | -40 ~ 85°C | — | — | — | |
| NUC140LE3CN 新唐科技 · NUC140/240 Connectivity | Cortex-M0 | 50 MHz | 128 KB | — | 2.5 ~ 5.5 V | -40 ~ 85°C | — | — | — | |