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PIC16F18326-I

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16F18326-I

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SOIC-14

PIC16F18326-I from Microchip Tech, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive supply; operating range is 2.3V to 5.5V for PIC16F18326 and all VDD pins must be connected.
2 RA5 bidirectional General purpose I/O with ANA5, T1CKI, SOSCIN/SOSCI, CLCIN3, CLKIN and OSC1 crystal/resonator functions.
3 RA4 bidirectional General purpose I/O with ANA4, T1G, SOSCO, CLKOUT (FOSC/4) and OSC2 crystal/resonator functions.
4 RA3 input Input-only pin: general purpose input, MCLR master clear with internal weak pull-up, or VPP programming voltage.
5 RC5 bidirectional General purpose I/O with ANC5, MDCIN2, T3CKI, CCP1, SDI2/SDA2, and EUSART RX and DT functions.
6 RC4 bidirectional General purpose I/O with ANC4, T3G, SCK2/SCL2 and CLCIN1 functions.
7 RC3 bidirectional General purpose I/O with ANC3, C1IN3-/C2IN3-, MDMIN, T5G, CCP2, SS1 and CLCIN0 functions.
8 RC2 bidirectional General purpose I/O with ANC2, C1IN2-/C2IN2- comparator negative inputs and MDCIN1 functions.
9 RC1 bidirectional General purpose I/O with ANC1, C1IN1-/C2IN1-, CCP4, SDI1/SDA1 and CLCIN2 functions.
10 RC0 bidirectional General purpose I/O with ANC0, C2IN0+, T5CKI and SCK1/SCL1 functions.
11 RA2 bidirectional General purpose I/O with ANA2, VREF-, DAC1REF-, T0CKI, CCP3, CWG1IN, CWG2IN and INT functions.
12 RA1 bidirectional General purpose I/O with ANA1, VREF+, C1IN0-/C2IN0-, DAC1REF+ and ICSPCLK/ICDCLK clock functions.
13 RA0 bidirectional General purpose I/O with ANA0, C1IN0+, DAC1OUT, SS2 and ICSPDAT/ICDDAT data functions.
14 VSS power_in Ground reference; all VSS pins must be connected.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOIC-14
Category Single Chip Microcomputer/Microcontroller
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VDD 2.3 5.5 V FOSC <= 16 MHz 414
Supply Voltage VDD 2.5 5.5 V FOSC > 16 MHz 414
RAM Data Retention VDR 1.7 V Device in Sleep mode 414
Voltage on VDD pin VDD -0.3 6.5 V PIC16F18326/18346, with respect to VSS 411
Voltage on MCLR pin -0.3 9 V with respect to VSS 411
Ambient temperature under bias -40 125 °C 411
Storage temperature -65 150 °C 411
Max current on VSS pin 350 mA -40°C <= TA <= +85°C 411
Max current on VSS pin 120 mA +85°C <= TA <= +125°C 411
Max current on any I/O pin 50 mA 411
Clamp current IK 20 mA VPIN < 0 or VPIN > VDD 411
Total power dissipation 800 mW 411
Input Low Voltage TTL VIL 0.8 V 4.5V <= VDD <= 5.5V 418
Input Low Voltage Schmitt Trigger VIL 0.2 V 2.0V <= VDD <= 5.5V, 0.2 VDD 418
Input High Voltage TTL VIH 2 V 4.5V <= VDD <= 5.5V 418
Input High Voltage Schmitt Trigger VIH 0.8 V 2.0V <= VDD <= 5.5V, 0.8 VDD 418
Input Leakage Current I/O Ports IIL -125 5 125 nA VSS <= VPIN <= VDD, Pin at high-impedance, 85°C 418
Weak Pull-up Current IPUR 25 120 200 µA VDD = 3.0V, VPIN = VSS 418
Output Low Voltage VOL 0.6 V IOL = 10.0 mA, VDD = 3.0V 418
I/O pin capacitance CIO 5 50 pF 418
Supply current XT 4 MHz IDDXT4 332 479 uA XT = 4 MHz, 3.0V 416
Supply current HFO 16 MHz IDDHFO16 1.4 1.9 mA HFO = 16 MHz, 3.0V 416
Supply current HFO 32 MHz IDDHFOPLL 2.3 2.9 mA HFO = 32 MHz, 3.0V 416
Power-down base current IPD 0.4 2.5 µA 3.0V, max at +85°C (6 µA at +125°C) 417
Brown-out Reset Voltage VBOR 2.55 2.7 2.85 V BORV = 0 428
Brown-out Reset Voltage VBOR 2.3 2.45 2.6 V BORV = 1 (PIC16F18326/18346) 428
System Clock Frequency FOSC 32 MHz 422
Precision Calibrated HFINTOSC Frequency FHFOSC 3.92 4 4.08 MHz 25°C 423
ADC Resolution NR 10 bit 429
ADC Integral Error EIL -1 1 LSb ADCREF+ = 3.0V, ADCREF- = 0V 429
Comparator Input Offset Voltage VIOFF -50 50 mV VICM = VDD/2 432
FVR 1x Gain (1.024V) VFVR1 -4 4 % VDD >= 2.5V, -40°C to 85°C 432
FVR 2x Gain (2.048V) VFVR2 -4 4 % VDD >= 2.5V, -40°C to 85°C 432
FVR 4x Gain (4.096V) VFVR4 -5 5 % VDD >= 4.75V, -40°C to 85°C 432
Thermal Resistance Junction to Ambient θJA 95.3 °C/W 14-pin SOIC package 420
Thermal Resistance Junction to Case θJC 31 °C/W 14-pin SOIC package 420
Maximum Junction Temperature TJMAX 150 °C 420
Operating Ambient Temperature (Industrial) TA -40 85 °C Industrial 412

CAD (KiCad official)

  • Symbol: PIC16F18326-I
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: pic16f18326-i-etched.step / pic16f18326-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16f18326-i.step / pic16f18326-i.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (500 pp, sha256 caaf66beaba7d548, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF