| Part Number | DS87C520-QCL | DS87C550-QCL+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
|
|
|
| Product Status | Obsolete | Obsolete |
| Core Processor | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 33MHz | 33MHz |
| Connectivity | EBI/EMI, SIO, UART/USART | EBI/EMI, SIO, UART/USART |
| Peripherals | Power-Fail Reset, WDT | Power-Fail Reset, PWM, WDT |
| Number of I/O | 32 | 55 |
| Program Memory Size | 16KB (16K x 8) | 8KB (8K x 8) |
| Program Memory Type | OTP | OTP |
| EEPROM Size | - | - |
| RAM Size | 1K x 8 | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Data Converters | - | A/D 6x10b |
| Oscillator Type | External | External |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-LCC (J-Lead) | 68-LCC (J-Lead) |
| Supplier Device Package | 44-PLCC (16.59x16.59) | 68-PLCC (24.23x24.23) |