DS89C440-ENG
IC MCU 8BIT 32KB FLASH 44TQFPManufacturer: Analog Devices Inc./Maxim Integrated
Categories: Microcontrollers
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The Analog Devices Inc./Maxim Integrated DS89C440-ENG is an 8-bit 8051 microcontroller featuring 32KB of FLASH program memory and 1KB of RAM. This device operates at a maximum frequency of 25MHz and includes an EBI/EMI interface, SIO, and UART/USART for connectivity. Peripherals such as Power-Fail Reset and a Watchdog Timer are integrated for enhanced system reliability. The microcontroller is housed in a 44-TQFP (10x10) package and supports surface mount installation. It requires an external oscillator and operates within a voltage range of 4.5V to 5.5V. This component is suitable for applications in industrial automation and consumer electronics.
Additional Information
Series: 89CRoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BagDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bag |
| Package / Case | 44-TQFP |
| Mounting Type | Surface Mount |
| Speed | 25MHz |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 1K x 8 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Oscillator Type | External |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| Core Processor | 8051 |
| Data Converters | - |
| Core Size | 8-Bit |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Connectivity | EBI/EMI, SIO, UART/USART |
| Peripherals | Power-Fail Reset, WDT |
| Supplier Device Package | 44-TQFP (10x10) |
| Number of I/O | 32 |
| Programmable | Not Verified |
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