PIC16F690T-E/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16F690T-E/SO is an 8-bit PIC16 microcontroller from Microchip with 7.1 KB Flash, 256 bytes RAM, 18 I/O lines, and a built-in 10-bit ADC, running at up to 20 MHz from a 2 V to 5.5 V supply. It includes UART, SPI, and I2C interfaces alongside comparators and timers in a 20-pin SOIC package. The device targets battery-powered appliances, sensor nodes, and low-cost embedded control applications requiring a compact yet feature-rich 8-bit solution.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F690T-E/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0700(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core at up to 20 MHz with 7.1 KB Flash supports mid-complexity embedded firmware
- Operates down to 2 V supply at 8 MHz for ultra-low-power battery applications
- 18 configurable I/O lines with 10-bit ADC enable direct analog and digital peripheral interfacing
- UART, SPI, and I2C on-chip reduce external component count in sensor and communication designs
- 20-pin SOIC package with boundary scan simplifies board-level testing and debugging
Applications
The PIC16F690T-E/SO is widely used in battery-operated consumer electronics such as remote controls, smoke detectors, and LED lighting controllers where the 2 V minimum supply voltage extends battery runtime. Its 10-bit ADC and multiple communication interfaces make it suitable for industrial sensor nodes collecting temperature, humidity, or pressure data and transmitting results over UART or SPI. Home appliance control panels, small motor drivers, and low-cost IoT edge devices also leverage the PIC16F690's cost-effective 20-pin SOIC package and mature development toolchain.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V SUPPLY AT 8 MHZ |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 18 |
| On Chip Program ROM Width | 8 |
| 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) | 7168 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100; TS 16949 |
| Speed | 20MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F690T-E/SO:
Microchip Technology Inc 20 Pin, 7.1 KB Std Flash, 256 RAM, 18 I/O Pb Free
Frequently Asked Questions
At what minimum supply voltage can the PIC16F690T-E/SO operate, and what clock frequency is available at that voltage?
The PIC16F690T-E/SO can operate at a minimum supply voltage of 2 V while running the CPU at up to 8 MHz. At the full 5 V supply, the maximum clock frequency extends to 20 MHz. This wide voltage range is especially beneficial for designs powered by two alkaline AA batteries in series, which start at 3 V and discharge toward 2 V near end of life, allowing the microcontroller to continue functioning throughout the usable battery capacity without a boost regulator.
How many ADC channels does the PIC16F690T-E/SO provide, and what resolution does each channel offer?
The PIC16F690T-E/SO integrates a 10-bit ADC with up to 12 multiplexed analog input channels shared across the 18 I/O lines. The 10-bit resolution delivers 1024 discrete levels over the reference voltage range, enabling measurement of analog signals—such as a temperature sensor output or a potentiometer position—with a resolution of approximately 4.9 mV when referenced to 5 V. An internal voltage reference option further simplifies designs that cannot provide a stable external reference.
For a compact sensor node with SPI and UART peripherals, how does the 20-pin SOIC package of the PIC16F690T-E/SO compare to a 20-pin SSOP alternative?
The 20-pin SOIC package has a 1.27 mm pin pitch and a body width of 7.5 mm, making it straightforward to hand-solder and rework during prototyping. A 20-pin SSOP uses a 0.635 mm pitch and a 5.3 mm wide body, requiring a fine-pitch soldering iron tip and magnification for reliable joints. Both packages occupy a similar PCB length of about 12.8 mm, but the SOIC's wider pad spacing reduces solder bridging risk in low-volume production. For automated assembly, both are equally viable, but the SOIC is the preferred choice when in-house prototype assembly is part of the development cycle.
Which cost-sensitive applications make the PIC16F690T-E/SO a practical alternative to 32-bit MCUs in high-volume production?
The PIC16F690T-E/SO is the practical choice for high-volume applications where program size fits within 7.1 KB Flash and 256 bytes RAM, such as simple thermostat controllers, pushbutton sequencers, LED PWM dimmers, and small appliance motor control. At quantities above 10,000 units, the per-unit cost of an 8-bit PIC16 is typically 30% to 50% lower than an entry-level 32-bit ARM Cortex-M0 MCU with equivalent I/O count. The mature PIC16 toolchain, free MPLAB X IDE, and decades of community application notes further reduce firmware development time compared to switching to a new 32-bit architecture for tasks that do not require more than 20 MHz processing or large memory.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $2.3400 | $234.00 |
| 1000+ | $2.1600 | $2160.00 |
| 5000+ | $2.0700 | $10350.00 |
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