UPD78F0503AMC-CAB-AX Renesas Electronics Integrated Circuit (Small Outline Packages) In Stock
The Renesas UPD78F0503AMC-CAB-AX is an 8-bit 78K0 series microcontroller featuring a 20 MHz maximum clock, integrated ADC, and 30-pin small outline package for compact embedded control designs. It targets home appliance, industrial sensor, and consumer electronics applications requiring reliable 8-bit processing with on-chip analog capability. Available from stock with worldwide shipping.
- Manufacturer
- Renesas Electronics
- Package
- Small Outline Packages
- Pin Count
- 30
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- UPD78F0503AMC-CAB-AX Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 20 MHz maximum clock frequency on the 78K0 8-bit core enables responsive real-time control for appliance and consumer electronics
- Integrated ADC supports direct analog sensor signal acquisition without external converter components
- 30-pin small outline package (PLSP0030JB) provides a compact, surface-mount footprint for space-constrained PCB designs
- Lead-free (Pb-free) construction meets RoHS requirements and supports lead-free reflow assembly processes
- 78K0 CPU family architecture offers deterministic interrupt handling suited to timer-driven and event-driven control firmware
Applications
The UPD78F0503AMC-CAB-AX is used in home appliance control units, industrial sensor interfaces, and consumer electronic products that require an 8-bit MCU with analog input capability and a compact SMD footprint. Its 20 MHz 78K0 core handles sequential control logic, PWM generation, and ADC-based sensor digitization in 5 V systems. The 30-pin SOT package suits motor control modules, display drivers, and keypad interface boards where board space is constrained.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PLSP0030JB |
| Factory Lead Time | 12Weeks |
| YTEOL | 3 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | UPD78K0 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | R-PDSO-G30 |
| JESD-609 Code | e4 |
| Number of I/O Lines | 23 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP30,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1024 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 6.9mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.15 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum clock frequency does the UPD78F0503AMC-CAB-AX support and how does it affect real-time control responsiveness?
The UPD78F0503AMC-CAB-AX operates at up to 20 MHz, enabling the 8-bit 78K0 core to execute up to 20 million single-cycle instructions per second. This throughput is sufficient for responsive interrupt-driven control loops in appliance timers, sensor polling at 1 ms intervals, and PWM generation for motor or LED dimming at switching frequencies up to several kilohertz, meeting most embedded control requirements without requiring a higher-performance 32-bit MCU.
For a home appliance control board, how does the integrated ADC of the UPD78F0503AMC-CAB-AX simplify the design?
The on-chip ADC in the UPD78F0503AMC-CAB-AX allows direct digitization of analog sensor signals such as thermistor temperature readings or potentiometer position feedback without an external ADC IC. This reduces BOM cost by eliminating a separate converter and its decoupling components, and the 30-pin small outline package keeps the total board footprint compact for cost-optimized appliance control PCBs operating at 5 V with moderate analog accuracy requirements.
How does the 30-pin PLSP0030JB package of the UPD78F0503AMC-CAB-AX benefit space-constrained PCB layouts?
The 30-pin PLSP0030JB small outline package has a compact surface-mount footprint that occupies significantly less board area than a 30-pin DIP equivalent, enabling placement in enclosures where a through-hole package would not fit. For consumer electronics and appliance control boards where PCB dimensions are tightly constrained to match product housing, this SMD package allows the MCU to be placed close to its associated peripherals, shortening signal traces and reducing susceptibility to noise at 20 MHz.
When should an engineer consider migrating from UPD78F0503AMC-CAB-AX to a more modern Renesas 8-bit or 16-bit MCU?
Migration from the UPD78F0503AMC-CAB-AX becomes necessary when the application exceeds its 20 MHz throughput, requires more than the available 30-pin I/O count, needs peripherals such as a DAC, USB, or CAN interface, or when the 12-week factory lead time creates supply chain risk. Renesas RL78 or RX series 16-bit MCUs offer pin-compatible upgrades with significantly higher performance, more on-chip Flash, lower active current at equivalent clock speeds, and modern tool chain support.
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About Renesas Electronics
Renesas Electronics is a Japanese semiconductor manufacturer specializing in microcontrollers, analog products, and SoC solutions for automotive, industrial, and IoT applications.
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