| 282921 | AT89C51ED2-RDTIM | 8-bit Flash Microcontroller | Atmel |
| 282922 | AT89C51ED2-RLTIM | 8-bit Flash Microcontroller | Atmel |
| 282923 | AT89C51ED2-SLSIM | 8-bit Flash Microcontroller | Atmel |
| 282924 | AT89C51ED2-SMSIM | 8-bit Flash Microcontroller | Atmel |
| 282925 | AT89C51IC2 | AT89C51IC2 is a 80C51 8-bit microcontrollers featuring a 32K bytes Flash code memory and a two-wire interface (TWI). | Atmel |
| 282926 | AT89C51ID2 | High performance 8-bit microcontroller 64 Kbytes Flash, 2 Kbytes EEPROM and Two Wire Interface (TWI). | Atmel |
| 282927 | AT89C51ID2-IM | 8-bit Flash Microcontroller | Atmel |
| 282928 | AT89C51ID2-RLTIM | 8-bit Flash Microcontroller | Atmel |
| 282929 | AT89C51ID2-SLSIM | 8-bit Flash Microcontroller | Atmel |
| 282930 | AT89C51RB2 | High performance 8-bit Microcontroller 16 kbytes Flash | Atmel |
| 282931 | AT89C51RB2-3CSIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282932 | AT89C51RB2-RLTCM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282933 | AT89C51RB2-RLTIL | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282934 | AT89C51RB2-RLTIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282935 | AT89C51RB2-SLSCM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282936 | AT89C51RB2-SLSIL | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282937 | AT89C51RB2-SLSIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282938 | AT89C51RC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282939 | AT89C51RC-24AC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
|
| 282940 | AT89C51RC-24AI | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282941 | AT89C51RC-24JC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282942 | AT89C51RC-24JI | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282943 | AT89C51RC-24PC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282944 | AT89C51RC-24PI | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282945 | AT89C51RC-33AC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282946 | AT89C51RC-33JC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282947 | AT89C51RC-33PC | 8-bit Microcontroller with 32K Bytes Flash | Atmel |
| 282948 | AT89C51RC2 | High performance 8-bit microcontroller 32 Kbytes Flash | Atmel |
| 282949 | AT89C51RC2-3CSCM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282950 | AT89C51RC2-3CSIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282951 | AT89C51RC2-RLTCM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282952 | AT89C51RC2-RLTIL | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282953 | AT89C51RC2-RLTIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282954 | AT89C51RC2-SLSCM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282955 | AT89C51RC2-SLSIL | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282956 | AT89C51RC2-SLSIM | 8-bit Microcontroller with 16K/ 32K Bytes Flash | Atmel |
| 282957 | AT89C51RD2 | High performance 8-bit microcontroller with 64 Kbytes Flash | Atmel |
| 282958 | AT89C51RD2-IM | 8-bit Flash Microcontroller | Atmel |
| 282959 | AT89C51RD2-RDTIM | 8-bit Flash Microcontroller | Atmel |
| 282960 | AT89C51RD2-RLTIM | 8-bit Flash Microcontroller | Atmel |
