PIC16F1507T-I/SO - 8-bit MCU, 3.5KB Flash, 20MHz, SOIC-20 | Microchip
MPN: PIC16F1507T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.34 | $1.34 |
| 10 | $1.21 | $12.10 |
| 100 | $1.04 | $104.00 |
| 500 | $0.91 | $455.00 |
| 1,000 | $0.78 | $780.00 |
| 3,300 | $0.65 | $2,145.00 |
PIC16F1507T-I/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and configurable peripherals such as ADC, timers, and communication modules. The PIC16F1507 belongs to Microchip's enhanced mid-range core family, which sits in the PIC architecture hierarchy between baseline 14-bit cores and the higher-end PIC18/dsPIC families, and it is engineered to bring configurable peripherals like CWG, NCO, and CLC to cost-sensitive 8-bit designs.
Key features include 49 instructions, a 16-level hardware stack, an internal 16MHz oscillator, four standalone PWM channels, a Complementary Waveform Generator (CWG), a Numerically Controlled Oscillator (NCO), two Configurable Logic Cells (CLC), an integrated temperature indicator, and a 12-channel 10-bit ADC with voltage reference. The 18 strong I/O drivers can source or sink up to 25mA per pin for direct LED or transistor drive, eliminating external driver stages in many designs.
Architecturally, the device uses a Harvard RISC core with separate program and data buses, enabling single-cycle instruction fetch and a deterministic 200ns instruction cycle at 20MHz. Self-read/write Flash lets firmware perform in-application updates without an external bootloader, and the 128-byte non-volatile data EEPROM (separate from program Flash) is rated for 100k erase/write cycles per Microchip's endurance specification.
Typical applications include consumer appliances, low-cost sensor interfaces, LED lighting controllers, battery-powered IoT edge nodes, automotive body controllers (AEC-Q100 grade 3 qualified), and small motor / fan speed controllers. The combination of CWG for complementary drive and NCO for precision timing makes it well suited to LED dimming and brushed DC motor control.
When designing with this part, leave a minimum of 1ms for the Power-on Reset and oscillator stabilization before code execution begins, place a 0.1uF decoupling capacitor within 5mm of VDD, and verify the ADC reference selection with the REFCON register because the internal 1.024V reference must be enabled before ADC readings above VDD/2 are accurate.
This page synthesizes distributor pricing, same-package drop-in alternates from Microchip's PIC16 family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F1507T-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1507T-I/SO (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), I/O Pins, Internal Oscillator.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1507-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1509-I/SO
✅ Drop-In✓ In Stock
$1.34 / Unit
View Datasheet →PIC16F1707-I/SO
✅ Drop-In✓ In Stock
$1.38 / Unit
View Datasheet →PIC16LF1507T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1507-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1507T-I/SO Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC enhanced mid-range core (Harvard, RISC) |
| Instruction Set | 49 instructions |
| Maximum CPU Clock | 20 MHz (200 ns instruction cycle) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data Memory (RAM) | 128 bytes |
| I/O Pins | 18 (with interrupt-on-change) |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Internal Oscillator | 16 MHz (factory calibrated, ±1% typical) |
| ADC | 12-channel, 10-bit, with internal voltage reference |
| PWM Channels | 4 standalone 10-bit PWM outputs |
| Configurable Logic Cell (CLC) | 2 blocks |
| Complementary Waveform Generator (CWG) | 1 block |
| Numerically Controlled Oscillator (NCO) | 1 block, 20-bit accumulator |
| Temperature Indicator | Internal |
| I/O Pin Drive Strength | 25 mA source / sink per pin |
| Operating Temperature | -40 C to +85 C (industrial grade, 'I' suffix) |
| Package | 20-pin SOIC (300 mil), Tape & Reel ('T') |
| Mounting Type | Surface Mount |
| AEC-Q100 Qualification | Grade 3 qualified |
| RoHS Status | Compliant |
PIC16F1507T-I/SO Pin Configuration
| Pin 1 | RA3/MCLR — Digital I/O / Master Clear (reset) input |
| Pin 2 | RA4 — Digital I/O / analog channel AN3 |
| Pin 3 | RA5 — Digital I/O / analog channel AN4 |
| Pin 4 | RA0 — Digital I/O / analog channel AN0 |
| Pin 5 | RA1 — Digital I/O / analog channel AN1 |
| Pin 6 | RA2 — Digital I/O / analog channel AN2 |
| Pin 7 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RB7 — Digital I/O / ICSPDAT |
| Pin 10 | RB6 — Digital I/O / ICSPCLK |
| Pin 11 | RB5 — Digital I/O / analog channel AN11 |
| Pin 12 | RB4 — Digital I/O / analog channel AN10 |
| Pin 13 | RB3 — Digital I/O / analog channel AN9 |
| Pin 14 | RB2 — Digital I/O / analog channel AN8 |
| Pin 15 | RB1 — Digital I/O / analog channel AN7 / CWG1FLT |
| Pin 16 | RB0 — Digital I/O / analog channel AN6 / INT |
| Pin 17 | RA7 — Digital I/O / analog channel AN5 |
| Pin 18 | RA6 — Digital I/O / oscillator output |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
Typical Applications
PIC16F1507T-I/SO is suitable for 6 applications: Consumer Appliance Control, LED Lighting Controllers, Battery-Powered IoT Edge Nodes, Automotive Body Electronics, Small Motor / Fan Speed Controllers, Industrial Sensor Interfaces.
Consumer Appliance Control
The PIC16F1507T-I/SO fits appliance controllers because its 3.5 KB Flash covers main-loop and state-machine code for washers, microwaves, and small kitchen devices, while 128 bytes of RAM is enough for status variables and small buffers. The four standalone 10-bit PWM channels drive solenoids, relays, or triac gate pulses directly through the 25 mA I/O drivers, eliminating external transistors. The industrial -40 C to +85 C temperature grade survives under-cabinet and machine-interior environments, and the AEC-Q100 Grade 3 rating supports adjacent automotive body-electronics reuse. Designers should reserve one PWM for a buzzer or alarm tone and one for heater/valve drive; the on-chip CWG handles dead-band timing if the appliance uses an H-bridge for motor reversal.
Recommended
LED Lighting Controllers
The PIC16F1507T-I/SO suits dimmable LED lighting because its Complementary Waveform Generator (CWG) produces hardware dead-band control for half-bridge FET drive, eliminating the shoot-through risk that software-only PWM introduces. The 20-bit Numerically Controlled Oscillator (NCO) generates sub-Hz resolution needed for breathing effects or color-mixing frequencies, while the four 10-bit PWM channels handle warm-white, cool-white, red, green, and blue LED strings in typical RGBCW fixtures. The 12-channel 10-bit ADC reads thermistor or ambient-light sensors for closed-loop thermal fold-back and daylight harvesting. A 0.1 uF decoupling capacitor within 5 mm of VDD and a 4.7 uF bulk cap near the CWG output stage keep the PWM edges clean at full brightness.
Recommended
Battery-Powered IoT Edge Nodes
The PIC16F1507T-I/SO works as a sleepy sensor-node MCU because the enhanced mid-range core offers low-power sleep modes while still retaining the internal 16 MHz oscillator for fast wake-up to ADC measurement. The internal temperature indicator removes the need for an external sensor in cold-chain or environmental monitoring. With 3.5 KB Flash it comfortably fits BLE-beacon or LoRa-payload formatter code, and the wide 2.5 V to 5.5 V supply range accepts single-cell Li-Ion or two-cell alkaline stacks directly. The internal 1.024 V ADC reference lets the MCU measure its own supply voltage for battery-fuel gauging without an external reference IC, extending shelf life on shelf products.
Recommended
Automotive Body Electronics
The PIC16F1507T-I/SO is AEC-Q100 Grade 3 qualified, qualifying it for many interior and body-electronics modules such as seat controllers, ambient lighting, mirror adjusters, and HVAC mode switches. The 18 strong I/O pins at 25 mA drive directly handle LED indicators and small relays, reducing BOM cost in BCM and door-module designs. The CWG and NCO modules support brushed DC motor control for window lifters or seat adjusters without an external motor-driver IC. The industrial -40 C to +85 C temperature grade comfortably handles cabin environments, and the -40 C to +125 C extended 'E' variant PIC16F1507-E/SO upgrades the design for under-hood or sun-exposed locations.
Recommended
Small Motor / Fan Speed Controllers
The PIC16F1507T-I/SO drives small brushed DC motors and fans because the NCO and PWM modules together provide both variable frequency and variable duty-cycle control, allowing closed-loop RPM regulation through a back-EMF or tach input. The CLC blocks let designers implement hardware input-capture and edge-detection without loading the CPU, freeing cycles for the speed-control algorithm. The 12-channel ADC samples motor current through a shunt resistor for soft-start and stall protection. Because the device operates to 5.5 V, the same MCU drives 5 V gate logic directly; for 12 V or 24 V brushed motors an external N-FET half-bridge completes the power stage.
Recommended
Industrial Sensor Interfaces
The PIC16F1507T-I/SO is well matched to 4 mA to 20 mA or 0 V to 10 V industrial sensor transmitters because the 12-channel 10-bit ADC with selectable internal reference handles the full industrial sensor range without an external precision reference IC. The industrial -40 C to +85 C temperature grade matches cabinet and factory-floor environments, while the 25 mA I/O drivers directly drive opto-isolators for loop-powered isolation barriers. The 128-byte RAM buffers ADC samples, calibration constants, and a small Modbus RTU message while the Flash holds the application firmware plus a bootloader for field firmware updates. The Configurable Logic Cell (CLC) generates hardware interrupt pulses from sensor edges without CPU intervention.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1507T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1507-I/SO | PIC16F1509-I/SO | PIC16F1707-I/SO | PIC16LF1507T-I/SO | PIC16F1507-E/SO |
|---|---|---|---|---|---|---|
| Package | SOIC-20 (300 mil) | SOIC-20 (300 mil) - same | SOIC-20 (300 mil) - same | SOIC-20 (300 mil) - same | SOIC-20 (300 mil) - same | SOIC-20 (300 mil) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 7 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 128 B | 128 B | 512 B | 256 B | 128 B | 128 B |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 1.8 V to 3.6 V | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (extended) |
| On-chip Op-Amps / DAC | None | None | None | Op-amps + 8-bit DAC | None | None |
Key Differentiators
- Built-in configurable peripherals (CWG, NCO, CLC) without Flash overhead (vs PIC16F1503-I/ST)
- Tape-and-reel packaging ready for SMT production (vs PIC16F1507-I/SO)
- AEC-Q100 Grade 3 qualified for automotive body-electronics (vs PIC16LF1507T-I/SO)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of the VDD pin and a 4.7 uF bulk capacitor near the supply rail to suppress switching transients when the CWG or PWM outputs toggle high-current loads. According to Microchip datasheet (document 40001586D), the device draws up to approximately 5 mA at 20 MHz with all peripherals enabled, so the bulk capacitor should be sized to supply that peak without VDD dipping more than 50 mV. Do not share the MCU's VDD pin decoupling with high-current relay or motor coils; route a separate star-ground trace back to the regulator.
Keep the ICSPDAT / ICSPCLK pins (RB7 and RB6) accessible by leaving test-pad access on every production board; these pins are required for in-circuit serial programming and debugging. The RA4 pin is an open-drain output on most PIC16F1507 packages, so an external pull-up resistor is mandatory if RA4 drives any logic input. Route the analog-input traces (AN0-AN11) perpendicular to digital PWM traces and keep them short to minimize ADC cross-talk; for sub-LSB accuracy use a ground pour under the analog traces and place the input RC filter within 10 mm of the pin.
Three frequent integration errors on the PIC16F1507: (1) leaving the CONFIG1 register's WDTE bit enabled in firmware that does not service the watchdog, causing spurious resets every ~2 seconds; (2) enabling the internal ADC reference through the FVRCON register but failing to wait the reference stabilization time (typically 5 ms) before starting a conversion, which yields incorrect high-Z ADC codes; (3) driving the MCLR pin low during normal operation - it is an active-low reset and must be tied to VDD through a 10 kohm resistor unless an external reset supervisor is used. According to Microchip's PIC16F1507 errata, the internal oscillator calibration may shift at temperatures below 0 C, so designs operating in cold environments should consider the optional external crystal oscillator mode for time-critical UART or PWM frequencies.
Compliance Information
AEC-Q100 Grade 3 qualified per Microchip product page. RoHS compliance confirmed by Microchip ordering information. REACH and conflict-minerals statements available from Microchip's product-compliance portal. Halogen-free status not explicitly stated in the Verified Web Data.
