PIC16F18326-E/JQ - 8-bit MCU, 32MHz, 28KB Flash, 16-UQFN | Microchip
MPN: PIC16F18326-E/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.61 | $1.61 |
| 10 | $1.45 | $14.50 |
| 100 | $1.28 | $128.00 |
| 500 | $1.14 | $570.00 |
| 1,000 | $1.02 | $1,020.00 |
PIC16F18326-E/JQ Overview
An 8-bit microcontroller (MCU) is a compact programmable computing device that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces onto a single silicon die. The 8-bit PIC architecture uses a modified Harvard structure with separate program and data buses, optimized RISC instruction set, and rich Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. Within the broader semiconductor taxonomy, an MCU sits under microcontroller -> embedded processor -> semiconductor device, and serves as the digital brain of countless battery- and line-powered products.
Key differentiating features include 2KB RAM, a 10-bit ADC, 5-bit DAC, configurable logic cells (CLC), Complementary Waveform Generator (CWG), PWM modules, and communication peripherals including SPI and I2C. Peripheral Pin Select (PPS) enables flexible pin mapping of digital peripherals, simplifying PCB routing and BOM reuse across product variants. The /JQ suffix denotes the 16-pin UQFN (4x4) package and -E denotes the -40C to +125C extended industrial temperature range.
The eXtreme Low Power (XLP) technology delivers nanoWatt sleep currents and active-mode efficiencies that make the PIC16F18326-E/JQ particularly suitable for battery-powered sensor nodes, wearable devices, and IoT endpoints where battery life is critical. Functional Safety (FuSa) features aid documentation for IEC 61508 / ISO 26262 system-level safety integration.
Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered instrumentation, automotive body and comfort modules, consumer appliances, and industrial sensor interfaces. PPS allows a common firmware base across different PCB pinouts without redesign.
When designing with this MCU, always allocate at least one decoupling capacitor (100 nF X7R) close to each VDD pin and provide a low-impedance ground return on the exposed thermal pad. Configure unused pins as digital outputs low to minimize quiescent current and prevent floating-input shoot-through.
This page synthesizes distributor pricing, drop-in alternatives, application notes, and practical design considerations that go beyond the manufacturer datasheet summary, providing engineers with the context needed for fast, confident component selection.
Drop-in alternatives for PIC16F18326-E/JQ — 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 PIC16F18326-E/JQ (same form factor and footprint) — differing in Communication, Operating Temperature, Operating Voltage (VDD), Package, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18326-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18326-E/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325-I/JQ
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18325-E/JQ
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F18324-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18313-E/RFVAO
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16F18326-E/JQ Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC (RISC, modified Harvard) |
| Family | PIC16F XLP Functional Safety (FuSa) |
| Max CPU Frequency | 32 MHz |
| Program Memory (FLASH) | 28 KB (16K x 14 words) |
| Data Memory (RAM) | 2 KB |
| EEPROM | 256 B |
| ADC | 10-bit |
| DAC | 5-bit |
| Communication | SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals | CLC, CWG, PWM, CCP |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| Operating Temperature | -40C to +125C (E suffix) |
| Package | 16-pin UQFN (4x4) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F18326-E/JQ Pin Configuration
| Pin 1 | RA5 — Digital I/O / analog input / ICSP programming clock |
| Pin 2 | RA4 — Digital I/O / analog input / ICSP programming data |
| Pin 3 | RA3 — Digital I/O / analog input / MCLR (reset) |
| Pin 4 | RA2 — Digital I/O / analog input / DAC output |
| Pin 5 | RA1 — Digital I/O / analog input |
| Pin 6 | RA0 — Digital I/O / analog input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RC5 — Digital I/O / PPS-mappable peripheral |
| Pin 9 | RC4 — Digital I/O / PPS-mappable peripheral |
| Pin 10 | RC3 — Digital I/O / PPS-mappable peripheral / SCL |
| Pin 11 | RC2 — Digital I/O / PPS-mappable peripheral |
| Pin 12 | RC1 — Digital I/O / PPS-mappable peripheral / SDA |
| Pin 13 | RC0 — Digital I/O / PPS-mappable peripheral |
| Pin 14 | VDD — Power supply (2.3 V to 5.5 V) |
| Pin 15 | RA7 — Digital I/O / analog input |
| Pin 16 | RA6 — Digital I/O / analog input |
| Pin EP | EP — Exposed thermal pad - solder to ground |
Typical Applications
PIC16F18326-E/JQ is suitable for 6 applications: IoT Battery-Powered Sensor Node, Automotive Body and Comfort Module, Industrial Sensor Interface, Low-Power Wireless Remote Control, Consumer Appliance Control Board, Portable Medical Monitoring Device.
IoT Battery-Powered Sensor Node
The PIC16F18326-E/JQ's XLP nanoWatt sleep currents and 32 MHz active-mode performance make it an excellent fit for low-power IoT sensor nodes. With typical sleep currents in the nanoamp range and active efficiency near 30 uA/MHz, a single CR2032 coin cell can power the MCU for years of intermittent sensor reads. The 10-bit ADC and 5-bit DAC support direct interface with analog sensors, while SPI/I2C enables simple connections to digital sensors and sub-GHz transceivers.
Recommended
Automotive Body and Comfort Module
The PIC16F18326-E/JQ's -40C to +125C operating range and Functional Safety (FuSa) support make it well suited for non-safety-critical automotive body and comfort modules such as interior lighting, seat controllers, and HVAC flaps. The CIPs (CLC, CWG, PWM, CCP) handle motor-control and lighting sequences in hardware, offloading the CPU. PPS allows pin reassignment to simplify PCB routing across vehicle variants, reducing development time for OEM programs.
Recommended
Industrial Sensor Interface
The PIC16F18326-E/JQ's 10-bit ADC, 5-bit DAC, and Core Independent Peripherals make it an excellent controller for industrial sensor interfaces including 4-20 mA loop drivers, RTD conditioning, and process-control feedback loops. The CWG module can generate precise PWM waveforms for valve or heater control while the CPU remains in low-power mode. Extended -40C to +125C operation supports deployment in factory and outdoor enclosures.
Recommended
Low-Power Wireless Remote Control
For handheld remote controls and key fobs, the PIC16F18326-E/JQ's deep-sleep currents below 1 uA extend battery life while the 32 MHz performance runs RF protocol encoding in firmware. The CLC module can generate bit-banged sub-GHz modulation without CPU intervention. PPS lets designers route the same firmware across multiple SKUs with different PCB antenna layouts, accelerating time to market.
Recommended
Consumer Appliance Control Board
White-goods and small-appliance control boards benefit from the PIC16F18326-E/JQ's small 16-UQFN footprint, built-in EEPROM for user settings, and PWM channels for motor or heater control. The 10-bit ADC reads thermistors and current shunts, and CWG provides hardware-level waveform generation for triac gate timing or LED dimming. Low cost at high volume supports cost-sensitive consumer products.
Recommended
Portable Medical Monitoring Device
The PIC16F18326-E/JQ's combination of low power, ample 28 KB FLASH for algorithm code, and 10-bit ADC for biosignal acquisition supports portable medical monitoring designs such as pulse oximeters, single-lead ECG patches, and sleep trackers. The XLP nanoWatt sleep mode extends battery life during idle periods, while CWG and PWM drive low-power displays or haptic feedback elements.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18326-E/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18326-I/JQ | PIC16F18325-I/JQ | PIC16F18325-E/JQ | PIC16F18324-I/JQ | PIC16F18313-E/RFVAO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN (4x4) | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN family |
| FLASH Memory | 28 KB | 28 KB | 14 KB | 14 KB | 7 KB | 2 KB |
| RAM | 2 KB | 2 KB | 1 KB | 1 KB | 512 B | 256 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| PPS (Peripheral Pin Select) | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Functional Safety (FuSa) documentation package (vs PIC16F18325-I/JQ)
- 28 KB FLASH - twice the program space of the 18325 (vs PIC16F18325-I/JQ)
- 2 KB RAM - twice the working memory of the 18325 (vs PIC16F18325-I/JQ)
Design Notes
Estimated: with VDD = 3.3 V and a 32 MHz clock, the active current draw of the PIC16F18326-E/JQ typically stays around 1 mA. Add a 100 nF X7R ceramic bypass capacitor within 3 mm of each VDD pin and a 10 uF bulk capacitor at the board supply input. The exposed thermal pad must be soldered to a contiguous ground plane that carries both the GND return and acts as a thermal sink; do not leave the EP floating.
Route ICSP programming pins (RA0/RA4/RA5/MCLR/VDD/GND) to a 5-pin header or test pad so the firmware can be programmed in-circuit on production boards. According to the Microchip datasheet, the ICSP pins are shared with general I/O and do not require exclusive use. Keep the SWD/programming traces short, place a small series resistor on MCLR (typical 10 kohm to VDD) for noise immunity, and avoid crossing programming traces with high-current switching signals.
Do not leave unused pins floating - configure them as digital outputs driving low (or as inputs with the internal weak pull-up enabled) to minimize quiescent current and prevent shoot-through. According to the Microchip PIC16F18326 datasheet, the MCLR pin must never be left unbonded in production boards: either tie it to VDD through a 10 kohm resistor with a capacitor to GND, or use the internal MCLR disable configuration. Brown-out reset (BOR) should be enabled in the configuration words for reliable startup.
Compliance Information
RoHS and REACH compliance per Microchip product page. The part includes Functional Safety (FuSa) documentation for IEC 61508 / ISO 26262 system-level integration but is not itself AEC-Q100 qualified - select PIC16F18326 automotive-graded variants where AEC-Q100 is required.
