| PartNumber | TS87C54X2-VIA | TS87C54X2-VIB | TS87C54X2-VIC |
| Description | IC MCU 8BIT 16KB OTP 40PDIL | IC MCU 8BIT 16KB OTP 44PLCC | IC MCU 8BIT 16KB OTP 44PQFP |
| Manufacturer | - | Atmel | - |
| Product Category | - | Embedded - Microcontrollers | - |
| Series | - | 87C | - |
| Packaging | - | Tube | - |
| Package Case | - | 44-LCC (J-Lead) | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | 44-PLCC (16.59x16.59) | - |
| Number of I O | - | 32 | - |
| Speed | - | 40/30MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | 80C51 | - |
| RAM Size | - | 256 x 8 | - |
| Program Memory Type | - | OTP | - |
| Peripherals | - | POR, WDT | - |
| Connectivity | - | UART/USART | - |
| Voltage Supply Vcc Vdd | - | 4.5 V ~ 5.5 V | - |
| Core Size | - | 8-Bit | - |
| Program Memory Size | - | 16KB (16K x 8) | - |
| Data Converters | - | - | - |
| Oscillator Type | - | Internal | - |