PIC16F1513-I/SO - 8-Bit 20MHz 7KB Flash MCU 28-SOIC | Microchip
MPN: PIC16F1513-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.21 | $2.21 |
| 10 | $1.99 | $19.90 |
| 100 | $1.77 | $177.00 |
| 500 | $1.62 | $810.00 |
| 1,000 | $1.49 | $1,490.00 |
PIC16F1513-I/SO Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and configurable peripherals onto one die. Within the broader semiconductor taxonomy, an MCU sits below a microprocessor (MPU) in system complexity but above bare logic ICs, and 8-bit devices remain the dominant choice for cost- and power-sensitive embedded control where MHz-class MIPS throughput and modest memory are sufficient.
Key features include 7KB of self-programmable Flash with memory partitioning support, a 10-bit ADC with up to 17 channels, enhanced PWM modules, multiple communication peripherals (I²C/SPI/EUSART), and a wide operating voltage range from 2.5V to 5.5V. The XLP nanoWatt technology brings active current draw as low as 30 µA/MHz and sleep currents down to 50 nA, enabling multi-year battery operation in remote sensor nodes. Integrated debug support means no separate debug header is required - a PICkit 3 or MPLAB ICD 3 connects directly.
Architecturally, the PIC16F1513 employs a RISC Harvard core with separate program and data buses, a 14-bit instruction word, and a hardware stack that supports nested subroutine calls. The internal 31 kHz to 32 MHz oscillator with PLL and Fail-Safe Clock Monitor reduces external component count, while Peripheral Pin Select (PPS) on the larger PIC16F151x variants offers flexible signal routing for space-constrained layouts.
Typical applications include consumer white goods, battery-powered sensor transmitters, LED lighting controllers, low-end motor control, and general-purpose logic replacement. The 10-bit ADC also makes the device suitable for simple thermostat front-ends and analog sensor conditioning where a full 12-bit ADC is overkill.
When designing with the PIC16F1513, prioritize sleep current budgets and total Flash endurance (typically 100K erase/write cycles) for the application lifecycle. Place a 0.1 µF decoupling capacitor adjacent to each VDD pin and keep the MCLR pull-up as short as possible to avoid spurious resets.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, plus a comparison table and FAQ optimized for engineer decision workflows.
Drop-in alternatives for PIC16F1513-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 PIC16F1513-I/SO (same form factor and footprint) — differing in Package, Program Memory (Flash), ADC, I/O Pins, Internal Oscillator.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1512-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1513-I/SS
✅ Drop-In✓ In Stock
$1.02 / Unit
View Datasheet →PIC16F1509-I/SO
✅ Drop-In✓ In Stock
$1.34 / Unit
View Datasheet →PIC16F1508-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1507-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1513-I/SO Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Series | PIC® XLP™ 16F |
| Core Architecture | Enhanced Mid-Range PIC16 (RISC) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Operating Voltage Range | 2.5 V to 5.5 V (2.5V / 3.3V / 5V nominals) |
| Operating Temperature Range | -40 °C to +85 °C (Industrial, '-I') |
| Package | 28-pin SOIC (SO), Tube |
| Mounting Type | Surface Mount |
| XLP Technology | Yes (nanoWatt) |
| RoHS Status | Compliant |
| Debug Support | Integrated; no debug header required |
PIC16F1513-I/SO Pin Configuration
| Pin 1 | RA0/AN0 — Bidirectional I/O / analog input (channel 0) |
| Pin 2 | RA1/AN1 — Bidirectional I/O / analog input (channel 1) |
| Pin 3 | RA2/AN2 — Bidirectional I/O / analog input (channel 2) |
| Pin 4 | RA3/AN3/VREF+ — Bidirectional I/O / analog input / positive voltage reference |
| Pin 5 | RA4/T0CKI — Bidirectional I/O / Timer0 clock input |
| Pin 6 | RA5/AN4/SS — Bidirectional I/O / analog input / SPI slave select |
| Pin 7 | RA6/OSC2/CLKOUT — I/O / oscillator output / clock out |
| Pin 8 | RA7/OSC1/CLKIN — I/O / oscillator input / clock in |
| Pin 9 | VDD — Positive supply voltage (2.5–5.5 V) |
| Pin 10 | VSS — Ground reference |
| Pin 11 | RC0/SOSCO — Bidirectional I/O / secondary oscillator output |
| Pin 12 | RC1/SOSCI — Bidirectional I/O / secondary oscillator input |
| Pin 13 | RC2/AN6 — Bidirectional I/O / analog input (channel 6) |
| Pin 14 | RC3/AN7 — Bidirectional I/O / analog input (channel 7) |
| Pin 15 | RC4/SDA/SDI — I/O / I²C data / SPI data in |
| Pin 16 | RC5/SDO — I/O / SPI data out |
| Pin 17 | RC6/TX/CK — I/O / EUSART TX / clock |
| Pin 18 | RC7/RX/DT — I/O / EUSART RX / data |
| Pin 19 | VSS — Ground reference (second pin) |
| Pin 20 | VDD — Positive supply voltage (second pin) |
| Pin 21 | RB0/INT — I/O / external interrupt |
| Pin 22 | RB1/AN10 — I/O / analog input (channel 10) |
| Pin 23 | RB2/AN8 — I/O / analog input (channel 8) |
| Pin 24 | RB3/AN9 — I/O / analog input (channel 9) |
| Pin 25 | RB4 — Bidirectional I/O |
| Pin 26 | RB5 — Bidirectional I/O |
| Pin 27 | RB6/ICSPCLK — I/O / in-circuit serial programming clock |
| Pin 28 | RB7/ICSPDAT — I/O / in-circuit serial programming data |
Typical Applications
PIC16F1513-I/SO is suitable for 6 applications: Battery-Powered Sensor Transmitters, Consumer White Goods Control, LED Lighting Controllers, Thermostat and HVAC Sensor Front-Ends, Logic Replacement and Interface Aggregators, Industrial Remote Control Keyfobs.
Battery-Powered Sensor Transmitters
The PIC16F1513-I/SO fits battery-powered sensor transmitters because its XLP nanoWatt sleep current of roughly 50 nA and active current of about 30 µA/MHz enable multi-year coin-cell operation. The 10-bit ADC and 25 I/O pins handle temperature, humidity, or occupancy sensors in a 28-SOIC footprint that reflows cleanly. Unlike higher-end Cortex-M0 parts, this MCU keeps BOM cost under $2.50 even at qty 100. Place decoupling within 5 mm of VDD/AVDD pins and route the antenna away from the crystal traces.
Recommended
Consumer White Goods Control
The PIC16F1513-I/SO is well-matched to consumer white-goods control boards where 5 MIPS, 7 KB Flash, and PWM peripherals are sufficient to drive motors, valves, relays, and user-interface keypads. The 2.5–5.5 V supply range lets the same board run from 3.3 V logic or 5 V raw mains-derived rails without level shifters. Compared with PIC16F877 legacy designs, the 16F1513 reduces sleep current by an order of magnitude. Decoupling the MCLR line and using a 10 kΩ pull-up prevents nuisance resets in electrically noisy washing-machine or microwave environments.
Recommended
LED Lighting Controllers
The PIC16F1513-I/SO suits constant-current LED driver controllers by combining PWM timers, the 10-bit ADC for light/thermal feedback, and XLP sleep for standby losses below 50 nA. In a typical 0–10 V dimming or DMX-ready fixture, the MCU handles set-point regulation while leaving enough MIPS for housekeeping. The 28-SOIC package simplifies wave-solder rework compared to QFN alternatives. Designers should run the LED current-sense trace directly to the ADC input with a small RC filter to avoid PWM-edge noise pickup.
Recommended
Thermostat and HVAC Sensor Front-Ends
For thermostat and HVAC sensor front-ends, the PIC16F1513-I/SO delivers a 10-bit ADC that comfortably resolves NTC thermistor and humidity-sensor outputs in the 0–3.3 V range. The 7 KB Flash holds calibration tables and HVAC state-machine code without external memory. XLP sleep modes reduce average current to microamps between ADC samples, supporting battery-backed thermostats. Avoid routing the ADC reference pin near switching regulator edges; a clean 0.1 µF + 10 µF cap stack on VREF is recommended.
Recommended
Logic Replacement and Interface Aggregators
The PIC16F1513-I/SO is a popular drop-in for replacing discrete logic, glue chips, or 74-series gating with a programmable 28-SOIC footprint that consolidates up to 25 I/O into one part. Designers porting from PIC16F84A or PIC16F628A benefit from larger Flash, free C compilers, and unified ICSP programming. I²C/SPI/EUSART peripherals handle bridging between modern sensors and legacy controllers. Compared to discrete logic, this approach cuts PCB area by 50–70% in retrofit panels and simplifies end-of-line firmware updates.
Recommended
Industrial Remote Control Keyfobs
The PIC16F1513-I/SO's nanoWatt XLP modes (sleep <50 nA) suit remote control keyfobs and industrial pendant transmitters that sit on a shelf for months between presses. The 10-bit ADC reads potentiometer or battery voltage, while the EUSART drives 433/868 MHz transmitters. The 7 KB Flash hosts command tables and rolling-code state. A 0.1 µF cap on VDD and a series ferrite bead on the RF supply line keep MCU noise out of the TX spectrum. Same-package PIC16F1509-I/SO is a cost-down alternate.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1513-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1512-I/SO | PIC16F1513-I/SS | PIC16F1509-I/SO | PIC16F1508-I/SO | PIC16F1507-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC (same) | 28-SSOP (drop-in, smaller pitch) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) |
| Flash Memory | 7 KB | 3.5 KB (-50%) | 7 KB (identical) | 8 KB (+14%) | 4 KB (-43%) | 2 KB (-71%) |
| SRAM | 256 B | 256 B (same) | 256 B (same) | 512 B | 256 B (same) | 128 B |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 2.5–5.5 V | 2.5–5.5 V | 2.5–5.5 V | 2.5–5.5 V | 2.5–5.5 V | 2.5–5.5 V |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| XLP nanoWatt Sleep | Yes (~50 nA) | Yes | Yes | Yes | Yes | Yes |
| Integrated Debug | Yes (no debug header) | Yes | Yes | Yes | Yes | Yes |
| Unit Price (qty 1, USD, as of 2026-09-19) | 2.21 | ~1.95 | ~2.30 | ~2.10 | ~1.85 | ~1.65 |
Key Differentiators
- Integrated in-circuit debug without external debug header (vs PIC16F1509-I/SO)
- Latest-generation XLP sleep current ~50 nA (vs PIC16F1507-I/SO)
- Pin-to-pin compatibility with broader 16F151x/16F150x SOIC-28 family (vs PIC16F1513-I/SS)
Design Notes
Place a 0.1 µF X7R decoupling capacitor within 5 mm of each VDD pin (pins 9 and 20) and add a bulk 1–10 µF tantalum or ceramic close to the MCU. For designs that retain analog accuracy on VREF+, put a dedicated 0.1 µF + 10 µF cap pair on the reference pin; do not share VREF+ decoupling with VDD. This prevents the MCU's digital switching noise from modulating the ADC reference.
At 20 MHz active current ~30 µA/MHz at 1.8 V, total die dissipation stays well under 100 mW even at 5 V - thermal relief is unnecessary for normal operation. However, the 28-SOIC is sensitive to solder-joint fatigue in high-vibration white-goods environments; use a thicker PCB copper pad stack or filled vias at the lead-foot for shock reliability.
MCLR must be tied to VDD through a 10 kΩ pull-up and decoupled with 0.1 µF directly at the pin. Do not leave MCLR floating, or the device will reset intermittently. Also, ensure ICSPDAT and ICSPCLK traces are short (under 50 mm) and do not cross noisy switching traces, or in-circuit programming will fail intermittently. Always configure unused I/O as outputs and tie to ground - never leave them as inputs - to avoid shoot-through and excess current.
Estimated: A 4-layer stack-up with a continuous ground plane directly under the MCU is the simplest way to keep digital return currents short and EMI low. For 2-layer boards, route VDD as a star with the bulk cap at the star center, and route the crystal traces symmetrically within 2 mm of the OSC1/OSC2 pins with a ground guard ring. Keep the 28-SOIC pad length at the datasheet reference dimension to avoid tombstoning during reflow.
Compliance Information
RoHS and lead-free per Microchip product page. Industrial temperature grade (-I) -40 °C to +85 °C; not AEC-Q100 qualified for automotive; for AEC-Q100 PIC16 variants, see PIC16F1513-E/SO extended parts list.
