PIC12C509A-04I/SM Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC12C509A-04I/SM is an 8-bit OTP microcontroller with 1 KB program memory running up to 4 MHz from a 2.5 V to 5.5 V supply. Features 6 I/O pins and internal oscillator in an SOIC-8 SMD package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC12C509A-04I/SM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2800(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
- 8-bit PIC12 OTP microcontroller with 1 KB one-time-programmable program memory and 4 MHz maximum clock for cost-optimized fixed-function embedded designs
- 6 configurable I/O pins with integrated pull-up resistors, reducing external component count in simple control and sequencing applications
- Internal 4 MHz RC oscillator option eliminates external crystal cost, enabling minimal-component solutions in SOIC-8 SMD package operating from 2.5 V to 5.5 V
Applications
The PIC12C509A-04I/SM is suited for simple, fixed-function control tasks such as appliance power-on sequencing, LED dimming controllers, and low-cost consumer product timers where the code does not need to change after programming. Its 1 KB OTP memory and internal oscillator allow a complete controller solution with fewer than 5 external components. The SOIC-8 SMD package supports automated assembly for high-volume cost-sensitive products.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIJ-8 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1996-05-10 |
| YTEOL | 3 |
| Has ADC | NO |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC12 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 6 |
| Number of Timers | 2 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 12 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 41 |
| ROM (words) | 1024 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Supply Current-Max | 1.4mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC12C509A-04I/SM:
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
Frequently Asked Questions
What is the maximum clock frequency and supply voltage range for the PIC12C509A-04I/SM in a battery-powered appliance design?
The PIC12C509A-04I/SM runs at up to 4 MHz and accepts a supply voltage from 2.5 V to 5.5 V. This makes it compatible with two-cell alkaline battery packs or regulated 3.3 V and 5 V rails. At lower frequencies enabled by the internal RC oscillator, the device draws minimal standby current, helping extend battery life in portable appliance control applications.
Since PIC12C509A-04I/SM uses OTP memory, when should a designer choose it over a flash-based PIC12F508 for a production run?
OTP parts like PIC12C509A-04I/SM are optimal when firmware is finalized and the production volume is high enough to justify non-reprogrammable devices, typically thousands of units where per-unit cost savings outweigh development flexibility. The PIC12F508 offers flash reprogrammability for prototyping and small runs, but the OTP device provides lower unit cost. Both share a similar 1 KB code space and 4 MHz maximum clock, so the choice is purely economic above roughly 5000 units.
How many I/O pins are available on PIC12C509A-04I/SM, and what peripherals are integrated to minimize external component count?
The PIC12C509A-04I/SM provides 6 configurable I/O pins in the 8-pin SOIC-8 (SOIJ-8) package, with individual software-configurable input/output direction per pin. Internal weak pull-up resistors on input pins eliminate external pull-up resistors, and the integrated 4 MHz RC oscillator removes the need for a crystal or external clock source. There is no ADC, so analog inputs require external conditioning, but for simple digital control the part needs only a bypass capacitor to operate.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5200 | $1.52 |
| 2+ | $1.4009 | $2.80 |
| 1000+ | $1.3400 | $1340.00 |
| 5000+ | $1.2800 | $6400.00 |
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