| 80C52 |  | Atmel | CMOS 0 to 44 MHz Single Chip 8-bit Microcontroller | Original | PDF | 299.74KB | 25 | 
| 80C52 |  | Intel | MCU, Up-Down Timer/Counter | Original | PDF | 24.09KB | 6 | 
| 80C52 |  | Intel | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | Original | PDF | 316.88KB | 23 | 
| 80C52 |  | Intel | CHMOS Single Chip 8-Bit Microcomputer | Original | PDF | 426KB | 13 | 
| 80C52 |  | Philips Semiconductors | CMOS single-chip 8-bit microcontroller | Original | PDF | 454.72KB | 26 | 
| 80C52 |  | Temic Semiconductors | CMOS 0 to 44 MHz Single Chip 8-Bit Microntroller | Original | PDF | 395.18KB | 20 | 
| 80C52 |  | Temic Semiconductors | 8-bit CMOS Microcontroller 0-60 MHz | Original | PDF | 361.42KB | 54 | 
| 80C52 |  | Philips Semiconductors | CMOS single-chip 8-bit microcontroller | Scan | PDF | 470.97KB | 14 | 
| 80C521 |  | Advanced Micro Devices |  | Scan | PDF | 1.6MB | 25 | 
| 80C52-12 |  | Temic Semiconductors | CMOS 0 to 44 MHz Single Chip 8-bit Microntroller | Original | PDF | 395.21KB | 20 | 
| 80C52-12/BMA |  | Philips Semiconductors | CMOS single-chip 8-bit microcontroller | Scan | PDF | 369.32KB | 12 | 
| 80C52-12D |  | Temic Semiconductors | CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller | Original | PDF | 228.74KB | 20 | 
| 80C52-12R |  | Temic Semiconductors | CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller | Original | PDF | 228.74KB | 20 | 
| 80C52-16 |  | Temic Semiconductors | CMOS 0 to 44 MHz Single Chip 8-bit Microntroller | Original | PDF | 395.2KB | 20 | 
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| 80C52-16/BMA |  | Philips Semiconductors | CMOS single-chip 8-bit microcontroller | Scan | PDF | 369.32KB | 12 | 
| 80C52-16/BQA |  | Philips Semiconductors | CMOS single-chip 8-bit microcontroller | Scan | PDF | 369.32KB | 12 | 
| 80C52-16D |  | Temic Semiconductors | CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller | Original | PDF | 228.74KB | 20 | 
| 80C52-16R |  | Temic Semiconductors | CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller | Original | PDF | 228.74KB | 20 | 
| 80C52-20 |  | Temic Semiconductors | CMOS 0 to 44 MHz Single Chip 8-bit Microntroller | Original | PDF | 395.2KB | 20 | 
| 80C52-20D |  | Temic Semiconductors | CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller | Original | PDF | 228.74KB | 20 |