4-bit microcontroller featuring 4.4MHz clock speed and 4096 words of MROM. This CMOS integrated circuit offers 128 bytes of RAM and 19 I/O lines. Operating within a commercial extended temperature range of -25°C to 75°C, it requires a supply voltage from 2.3V to 5.5V. Packaged in a 28-terminal PDSO (SOP-28) with dimensions of 18.5mm x 7.5mm.
Rohm BU34440 technical specifications.
| Max Operating Temperature | 75 |
| Number of Terminals | 28 |
| Min Operating Temperature | -25 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G28 |
| Width | 7.5 |
| Length | 18.5 |
| Pin Count | 28 |
| Temperature Grade | COMMERCIAL EXTENDED |
| Supply Voltage-Min | 2.3 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 4.4 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 19 |
| External Data Bus Width | 0 |
| Address Bus Width | 0 |
| Bit Size | 4 |
| Speed | 4.4 |
| ROM Programmability | MROM |
| ROM (words) | 4096 |
| RAM (bytes) | 128 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | Yes |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
Download the complete datasheet for Rohm BU34440 to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.