PIC12F509-I/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC12F509-I/MS is an 8-bit PIC12 microcontroller with 1.5K Flash, 41 bytes RAM, and a 4 MHz clock. It offers 6 I/O pins in a tiny MSOP-8 package, targeting cost-sensitive embedded control applications. Ideal for simple switching, LED control, and sensor interfacing tasks with minimal BOM.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F509-I/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6800(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC12F509-I/MS?
- 8-bit PIC12 core running at up to 4 MHz with 1.5K words of on-chip Flash for compact firmware storage
- Ultra-small MSOP-8 package with 6 configurable I/O pins for the smallest possible PCB footprint in constrained designs
- Low-power standby modes and direct 5 V GPIO drive reduce external component count in battery-powered sensor nodes
What is PIC12F509-I/MS used for?
The PIC12F509-I/MS is used in cost-optimized embedded designs such as LED lighting controllers, power sequencing circuits, and simple sensor interfaces where an 8-pin MCU is sufficient. Its 1.5K Flash and 41-byte RAM are adequate for state machines and basic input/output control routines running at 4 MHz. The MSOP-8 package allows placement in extremely tight PCB layouts typical of consumer appliance controls and industrial IO expanders.
What are the specifications of PIC12F509-I/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | NO |
| Bit Size | 8 |
| CPU Family | PIC12 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 6 |
| On Chip Program ROM Width | 8 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 41 |
| ROM (words) | 1536 |
| ROM Programmability | FLASH |
| Speed | 4MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC12F509-I/MS datasheet?
PIC12F509-I/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC12F509-I/MS?
Compatible alternatives and drop-in replacements for PIC12F509-I/MS:
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDSO8
Frequently Asked Questions
How much program memory does the PIC12F509-I/MS have and what size firmware can it run?
The PIC12F509-I/MS provides 1.5K words (approximately 1536 14-bit instructions) of on-chip Flash and 41 bytes of data RAM. This capacity is sufficient for simple state machines, 4 MHz timer-driven PWM generation, and I/O control routines typical of appliance button interfaces, LED dimming controllers, or small sensor conditioning loops.
What is the maximum clock frequency of the PIC12F509-I/MS and how does it handle timing-sensitive 5 V GPIO tasks?
The PIC12F509-I/MS runs at up to 4 MHz, yielding a 250 ns instruction cycle time. This is fast enough for bit-banged serial protocols at up to 100 kbps and software PWM at frequencies above 1 kHz, making the device suitable for 5 V GPIO-driven relay sequencing, LED brightness control, and capacitive touch debouncing in consumer appliances.
When is the PIC12F509-I/MS preferred over larger 8-pin MCUs such as the PIC12F683 for new designs?
PIC12F509-I/MS is preferred over PIC12F683 when the design needs the absolute minimum die cost and the application does not require an ADC or EUSART peripheral. The 1.5K Flash and 41-byte RAM meet simple sequencing tasks, and the MSOP-8 package at standard 0.65 mm pitch fits onto smaller PCBs than a standard PDIP-8, lowering both component cost and board area by roughly 50%.
Does PIC12F509-I/MS include an ADC, and what alternatives should engineers consider if analog measurement is needed?
No, the PIC12F509-I/MS does not include an ADC or DAC. Designers requiring on-chip analog-to-digital conversion should consider the PIC12F675 (4-channel 10-bit ADC, 8 pins) or PIC12F683 (4-channel 10-bit ADC, 4 MHz, MSOP-8), both of which offer the same 8-pin form factor while adding 10-bit analog measurement capability for temperature sensor or battery voltage monitoring applications.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9200 | $0.92 |
| 25+ | $0.8500 | $21.25 |
| 100+ | $0.7800 | $78.00 |
| 1000+ | $0.7100 | $710.00 |
| 5000+ | $0.6800 | $3400.00 |
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