PIC16F18325T-E/STVAO - 14KB Flash 8-bit MCU | Microchip
MPN: PIC16F18325T-E/STVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.84 | $18.40 |
| 100 | $1.62 | $162.00 |
| 500 | $1.41 | $705.00 |
| 1,000 | $1.22 | $1,220.00 |
| 3,000 | $1.05 | $3,150.00 |
PIC16F18325T-E/STVAO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data memory (EEPROM), and a rich set of peripherals (ADC, timers, PWM, communication, GPIO) into one package. Microcontrollers occupy the middle tier of the embedded computing hierarchy: simpler than microprocessors (which require external RAM/Flash) and more capable than basic logic controllers. The PIC16F family targets low-pin-count, cost-sensitive, ultra-low-power (XLP) applications where peripherals, deterministic execution, and long battery life matter more than raw compute throughput.
Key features include 14KB (8K x 14) Flash program memory, 256B EEPROM, 1KB RAM, 12 I/O pins, a 32MHz internal oscillator, 10-bit PWM, Capture/Compare/PWM (CCP), Complementary Waveform Generator (CWG), Core Independent Peripherals (CIPs), Peripheral Pin Select (PPS), and eXtreme Low Power (XLP) technology with sub-uA sleep currents. The device runs from 2.3V to 5.5V and is AEC-Q100 qualified for automotive environments.
The architecture uses an enhanced mid-range 8-bit PIC16 core with a 14-bit instruction word, hardware stack, and 49 instructions. Core Independent Peripherals such as CWG, NCO, and configurable logic cells allow timing-critical functions to execute without CPU intervention, reducing code complexity and power consumption.
Typical applications include automotive body controllers and sensor nodes, low-power IoT sensors, LED lighting drivers, home appliances, and battery-powered handheld instruments. The TSSOP-14 footprint suits space-constrained PCBs.
When designing with this MCU, ensure the ICSP/ICD pins (RA0/RA1) are accessible for in-circuit programming and debugging. Use PPS to remap peripherals to alternative pins, simplifying PCB layout. Select the appropriate oscillator mode (HFINTOSC, LFINTOSC, or external) to balance speed and power.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F18325T-E/STVAO — 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 PIC16F18325T-E/STVAO (same form factor and footprint) — differing in Core Architecture, Package, Program Memory (Flash), Automotive Qualification, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18325T-I/STVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325T-E/7NVAO
✅ Drop-In✓ In Stock
$1.08 / Unit
View Datasheet →PIC16F18325T-E/STVAO
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18324T-E/STVAO
✅ Drop-In✓ In Stock
$1.22 / Unit
View Datasheet →PIC16F18323T-E/STVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18313T-E/SNVAO
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC16F1825T-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325T-E/STVAO Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16 Enhanced Mid-Range (14-bit instruction) |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data EEPROM | 256 B |
| Data SRAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| I/O Pins | 12 |
| Package | 14-TSSOP (4.40 mm body width) |
| Mounting Type | Surface Mount |
| Operating Temperature (E suffix) | -40C to +125C (Extended) |
| AEC-Q100 Qualification | Qualified (VAO suffix indicates automotive ordering option) |
| PWM | 10-bit PWM |
| CCP Modules | Yes |
| CWG (Complementary Waveform Generator) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| eXtreme Low Power (XLP) | Yes |
| RoHS Status | Compliant |
PIC16F18325T-E/STVAO Pin Configuration
| Pin 1 | RA3/AN9/MCLR/VPP — Digital I/O / Analog input / Master Clear reset (input) / Programming voltage |
| Pin 2 | RA4/AN10/OSC2/CLKOUT — Digital I/O / Analog input / Oscillator output / Clock output |
| Pin 3 | RA5/AN11/OSC1/CLKIN — Digital I/O / Analog input / Oscillator input / Clock input |
| Pin 4 | VDD — Positive supply voltage (2.3V-5.5V) |
| Pin 5 | VSS — Ground reference |
| Pin 6 | RB4/AN12 — Digital I/O / Analog input (PPS-mappable) |
| Pin 7 | RB5/AN13/RX — Digital I/O / Analog input / EUSART RX (PPS) |
| Pin 8 | RB6/AN14/SCK/TX — Digital I/O / Analog input / MSSP SCK / EUSART TX (PPS) |
| Pin 9 | RB7/AN15/SDI/SDA — Digital I/O / Analog input / MSSP SDI/SDA (PPS) |
| Pin 10 | RA0/ICSPDAT/AN4 — Digital I/O / ICSP data / Analog input |
| Pin 11 | RA1/ICSPCLK/AN5 — Digital I/O / ICSP clock / Analog input |
| Pin 12 | RA2/AN6 — Digital I/O / Analog input |
| Pin 13 | RA6/AN7 — Digital I/O / Analog input (PPS) |
| Pin 14 | RA7/AN8 — Digital I/O / Analog input (PPS) |
Typical Applications
PIC16F18325T-E/STVAO is suitable for 7 applications: Automotive Body Control Modules, Low-Power IoT Sensor Nodes, LED Lighting Drivers, Battery-Powered Handheld Instruments, Home Appliance Controllers, Industrial Sensor & Actuator Nodes, Touch-Sensing User Interfaces.
Automotive Body Control Modules
The PIC16F18325T-E/STVAO's AEC-Q100 qualification, -40C to +125C operating range, and 12 I/O pins make it well-suited for body electronics such as door modules, mirror controllers, seat adjusters, and HVAC dampers. The device's Peripheral Pin Select (PPS) allows each peripheral to be routed to the most convenient pin for the harness layout. The CWG and CCP modules generate complementary PWM outputs for motor drivers, while the 10-bit ADC reads thermistor and position-sensor inputs without external components.
Recommended
Low-Power IoT Sensor Nodes
eXtreme Low Power (XLP) technology gives the PIC16F18325T-E/STVAO sleep modes in the sub-uA range, enabling coin-cell-powered wireless sensor nodes that wake only on external interrupts or timer events. The Core Independent Peripherals (CIPs) read sensors, compare thresholds, and signal events without waking the CPU, dramatically extending battery life. Combined with PPS, the same die can serve temperature, humidity, and occupancy sensor products on a unified PCB layout.
Recommended
LED Lighting Drivers
The PIC16F18325T-E/STVAO integrates a 10-bit PWM, a Complementary Waveform Generator (CWG), and CCP modules to drive constant-current LED drivers with smooth dimming and dead-band control. The 32MHz CPU and 14KB Flash allow implementation of DALI, DMX, or proprietary lighting protocols, while the -40C to +125C range supports outdoor and industrial luminaires. PPS lets the designer remap the PWM to any available I/O, simplifying PCB layout for linear or matrix LED arrays.
Recommended
Battery-Powered Handheld Instruments
With sub-uA sleep current, 2.3V-5.5V operation, and a small TSSOP-14 footprint, the PIC16F18325T-E/STVAO powers handheld multimeters, remote controls, and portable medical devices. The on-chip 10-bit ADC reads sensors with hardware averaging, and the CIPs perform off-timers automatically. PPS gives engineers flexibility to route analog and digital signals around compact PCB layouts, while the 14KB Flash comfortably supports graphical LCD menu firmware.
Recommended
Home Appliance Controllers
The PIC16F18325T-E/STVAO's 12 I/O pins and Core Independent Peripherals make it ideal for white-goods controllers such as washing-machine front panels, induction cooktops, and microwave user modules. The CWG drives TRIAC-based AC loads with zero-cross switching, while timers and the 10-bit ADC handle temperature and water-level sensing. The -40C to +125C grade supports kitchen environments with wide thermal variation.
Recommended
Industrial Sensor & Actuator Nodes
The PIC16F18325T-E/STVAO's wide supply range, rugged temperature grade, and Core Independent Peripherals fit industrial 4-20mA sensor transmitters, smart actuator nodes, and motor-control peripherals. The 32MHz CPU computes linearization and PID loops in firmware, while the CWG generates high-resolution PWM for proportional control. PPS, combined with AEC-Q100, also makes the part viable in industrial cabinets and process-control enclosures.
Recommended
Touch-Sensing User Interfaces
The PIC16F18325T-E/STVAO's hardware Capacitive Voltage Divider (CVD) module, part of the 10-bit ADC peripheral, enables mTouch capacitive touch-button and slider implementations without external components. Combined with the 32MHz CPU and 14KB Flash, designers can implement debounce, gesture recognition, and LED feedback in firmware. PPS routes the touch channels and PWM LED drivers efficiently, and the -40C to +125C grade suits outdoor and appliance front-panel use.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18325T-E/STVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18325T-I/STVAO | PIC16F18324T-E/STVAO | PIC16F18323T-E/STVAO | PIC16F1825T-I/ST |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 8 KB |
| SRAM | 1 KB | 1 KB | 512 B | 512 B | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| AEC-Q100 Qualified | Yes (VAO suffix) | Yes (VAO suffix) | Yes (VAO suffix) | Yes (VAO suffix) | No |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
Key Differentiators
- AEC-Q100 automotive qualification with extended -40C to +125C temperature range (vs PIC16F18325T-I/STVAO)
- Largest Flash in PIC16F183xx TSSOP-14 family (vs PIC16F18324T-E/STVAO)
- Full PIC16F18325 peripheral set (CIPs, CWG, PPS, XLP) retained at smallest package (vs PIC16F1825T-I/ST)
Design Notes
Estimated: PIC16F18325T-E/STVAO active current at 32MHz and 5V is roughly 6-8 mA with peripherals active, while XLP sleep modes drop below 1 uA. For battery-powered designs, use the IDLE and DOZE modes plus peripheral sleep to extend life. Always place a 0.1 uF decoupling capacitor as close as possible to the VDD pin (pin 4) to suppress switching noise.
The ICSP/ICD pins (RA0/ICSPCDAT and RA1/ICSPCLK) must be accessible for in-circuit programming. Do not place series resistors or capacitors on these pins if ICSP is required. Use Peripheral Pin Select (PPS) to remap peripherals to alternative I/O pins, which can simplify PCB routing when the ICSP footprint is constrained.
Keep the TSSOP-14 thermal pad connected to a copper flood for heat spreading, especially at high CPU clock speeds. For automotive AEC-Q100 designs, follow IPC-9592 power and thermal derating guidelines and ensure the trace between TC and reference GND is short. Avoid routing analog signals near PWM or digital switching traces to minimize coupling.
Do not exceed the absolute maximum VDD of 5.5V, or the on-chip EEPROM may be corrupted. When using the internal HFINTOSC, the device can wake from sleep faster but consumes more current; LFINTOSC is preferred for low-power sleep retention. The MCLR pin (RA3) must be pulled to VDD via a 10-kohm resistor for normal use, and a low-pass-only reset circuit may cause spurious resets.
When routing the analog ADC inputs, keep traces short and avoid running them parallel to high-frequency digital lines. Use a ground plane under the MCU to provide shielding. The 10-bit ADC achieves best performance when the source impedance is below 10 kohm, so add a small buffer or RC filter for high-impedance sensors.
Compliance Information
VAO suffix indicates AEC-Q100 qualified per automotive ordering supplier page. RoHS and REACH status confirmed by distributor listings (DigiKey, Mouser). Halogen-free per Microchip automotive-grade portfolio.
