4-bit CISC microcontroller featuring 5KB ROM and 140B RAM. This surface-mount device operates with a 4 MHz clock rate and supports 2.5V, 3.3V, and 5V supply voltages, with a maximum operating voltage of 5.5V. Housed in a 48-pin PQFP package with gull-wing leads, it offers 8 programmable I/Os and 3 timers. Operating temperature range is -20°C to 70°C.
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| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | PQFP |
| Package Description | Plastic Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 48 |
| PCB | 48 |
| Package Length (mm) | 10 |
| Package Width (mm) | 7 |
| Package Height (mm) | 1.85 |
| Seated Plane Height (mm) | 2.15(Max) |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | 4500 |
| Data Bus Width | 4bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 4MHz |
| Maximum CPU Frequency | 4MHz |
| Program Memory Type | ROM |
| Program Memory Size | 5KB |
| RAM Size | 140B |
| Number of Programmable I/Os | 8 |
| Programmability | Yes |
| Number of Timers | 3 |
| CAN | 0 |
| I2C | 0 |
| SPI | 0 |
| Ethernet | 0 |
| UART | 0 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -20°C |
| Max Operating Temperature | 70°C |
| Cage Code | SAN34 |
| EU RoHS | No |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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