PIC12F509T-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC12F509T-I/SN is an 8-bit PIC12 microcontroller running up to 4 MHz in an 8-pin SOIC package with 1.5 KB Flash and 6 general-purpose I/O pins. It operates from a 2 V to 5.5 V supply, making it ideal for low-cost sensor and control applications. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F509T-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-compact 8-pin SOIC footprint with 6 I/O pins and 4 MHz maximum clock enables space-constrained single-chip control designs
- Wide 2 V to 5.5 V operating range suits battery-powered and mixed-voltage applications without additional regulators
- 1.5 KB on-chip Flash program memory and 25 bytes RAM provide sufficient resources for simple finite-state-machine firmware
Applications
The PIC12F509T-I/SN is ideal for extremely compact, cost-sensitive applications such as LED dimming controls, simple sensor interfaces, and home appliance switch panels where only 6 I/O pins and a 4 MHz clock are needed. Its 8-pin SOIC form factor and 2 V to 5.5 V supply range simplify the transition from battery to regulated-rail power in consumer electronics and IoT edge nodes. Designers also use it in relay-driver circuits and simple communication bridges where program complexity is low and BOM cost reduction is the primary goal.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Has ADC | NO |
| Bit Size | 8 |
| CPU Family | PIC12 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | R-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,.23 |
| Package Shape | RECTANGULAR |
| 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 | 1.27mm |
| 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 | Mainland China, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC12F509T-I/SN:
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDSO8
Frequently Asked Questions
How much memory and I/O does the PIC12F509T-I/SN provide in its 8-pin package?
The PIC12F509T-I/SN fits 1.5 KB of Flash program memory, 25 bytes of RAM, and 6 configurable I/O pins into an 8-pin SOIC package. This resource set is sufficient for simple event-driven firmware running at up to 4 MHz, covering tasks like switch debouncing, LED sequencing, and tone generation.
For what kind of battery-powered designs is the PIC12F509T-I/SN a strong fit?
The PIC12F509T-I/SN suits applications powered by two AA cells or a single lithium coin cell, since its 2 V to 5.5 V supply range accommodates declining battery voltage across the full discharge curve. At 4 MHz and with sleep-mode current in the microamp range, it extends battery life in simple sensor nodes, door chimes, and remote-control keyfobs where only 6 I/O pins are required.
How does the PIC12F509T-I/SN compare to the PIC12F675 for low-cost controller selection?
The PIC12F509T-I/SN is a lower-cost option when analog-to-digital conversion is not needed, since it omits the ADC present in the PIC12F675. With only 1.5 KB Flash versus 1.75 KB in the PIC12F675, it is appropriate for simpler firmware, but its 4 MHz maximum clock and 8-pin SOIC package are identical, so pin-compatible designs can switch between the two based on feature requirements and pricing.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9100 | $0.91 |
| 100+ | $0.7700 | $77.00 |
| 1000+ | $0.7000 | $700.00 |
| 5000+ | $0.6700 | $3350.00 |
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