PIC16LF721-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16LF721-I/SO is an 8-bit PIC16 microcontroller with 7 KB of Flash and 256 B of SRAM running at up to 16 MHz, housed in a 20-pin SOIC package with 18 I/O lines and an integrated ADC. Low-power 'LF' variant supports wide voltage operation ideal for battery and industrial applications. Available from stock worldwide with competitive pricing and fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16LF721-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1800(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 PIC16LF721-I/SO?
- 8-bit PIC16 core with 7 KB Flash and 256 B SRAM running at up to 16 MHz for responsive control tasks
- 18 configurable I/O lines with integrated ADC enabling direct sensor interfacing without external components
- Low-power LF variant with wide operating voltage range suits battery-powered and industrial 3.3 V systems
What is PIC16LF721-I/SO used for?
The PIC16LF721-I/SO is ideal for embedded control applications such as home appliance panels, industrial sensor interfaces, and building automation modules where an 8-bit core running at 16 MHz and 18 I/O lines provide sufficient compute power in a compact SOIC-20 footprint. Its integrated ADC simplifies analog signal acquisition from temperature sensors, potentiometers, and pressure transducers without additional external components. The low-power LF variant is equally suited to battery-backed remote sensors, HVAC controllers, and portable handheld instruments requiring long operation between charges.
What are the specifications of PIC16LF721-I/SO?
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 256 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 16MHz |
| Supply Current-Max | 3.9mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 3.3V |
| 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 | Malaysia, Philippines, Thailand |
Where can I find the PIC16LF721-I/SO datasheet?
PIC16LF721-I/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16LF721-I/SO?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much program memory and RAM does PIC16LF721-I/SO provide for firmware storage?
The PIC16LF721-I/SO includes 7 KB of Flash program memory and 256 bytes of SRAM data memory, which is sufficient for compact control firmware, lookup tables, and sensor calibration data in a single 8-bit MCU without requiring external memory devices.
Which ADC capability does PIC16LF721-I/SO offer for analog sensor interfacing?
The device integrates a multi-channel ADC that samples analog inputs from sensors such as thermistors, potentiometers, and pressure transducers. With up to 18 I/O lines available in the SOIC-20 package, multiple analog channels can be monitored simultaneously at the 16 MHz core clock rate.
For a compact motor-control PCB, how does the SOIC-20 package of PIC16LF721-I/SO compare in board area to a DIP package?
The SOIC-20 package measures approximately 12.8 mm × 7.5 mm with 1.27 mm pin pitch, occupying roughly half the board area of an equivalent 20-pin DIP-20 package. This smaller footprint lets designers place the MCU closer to motor driver ICs and reduce PCB trace lengths for better noise immunity.
When is PIC16LF721-I/SO a suitable lower-power alternative to the standard PIC16F721?
The LF variant operates at a supply voltage as low as 1.8 V with reduced active and sleep current compared to the standard PIC16F721, making it preferable in battery-powered designs that must maintain operation over extended periods. At 16 MHz from a 3.3 V rail, the LF suffix device achieves a materially lower power-versus-performance ratio.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5300 | $1.53 |
| 5+ | $1.4900 | $7.45 |
| 25+ | $1.3200 | $33.00 |
| 100+ | $1.2700 | $127.00 |
| 114+ | $1.2200 | $139.08 |
| 1000+ | $1.1800 | $1180.00 |
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