| Part Number | SST89E58RDA-40-C-PIE | SST89E54RDA-40-C-PIE |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Obsolete |
| Core Processor | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 40MHz | 40MHz |
| Connectivity | EBI/EMI, SPI, UART/USART | EBI/EMI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT |
| Number of I/O | 32 | 32 |
| Program Memory Size | 40KB (40K x 8) | 24KB (24K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 1K x 8 | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Data Converters | - | - |
| Oscillator Type | External | External |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 40-DIP (0.600", 15.24mm) | 40-DIP (0.600", 15.24mm) |
| Supplier Device Package | 40-PDIL | 40-PDIL |