PIC16F1454-E/SL - 8-Bit USB MCU, 14KB Flash, 48MHz | Microchip
MPN: PIC16F1454-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.65 | $1.65 |
| 10 | $1.48 | $14.80 |
| 100 | $1.28 | $128.00 |
| 500 | $1.1 | $550.00 |
| 1,000 | $0.95 | $950.00 |
PIC16F1454-E/SL Overview
What is a PIC16 microcontroller? A PIC16 is an 8-bit RISC Harvard-architecture microcontroller from Microchip's PIC16F1 enhanced mid-range family that uses a modified Harvard memory layout (separate program and data buses) and a streamlined RISC instruction set for deterministic execution and low power. The PIC16F1xx line adds 1.8-5.5V operation, nanoWatt XLP sleep currents under 1 µA, and integrated peripherals such as USB, mTouch capacitive sensing, and Configurable Logic Cells, sitting in the hierarchy PIC16F1454 -> PIC16F1xxx -> PIC16 -> 8-bit MCU -> microcontroller -> integrated circuit -> semiconductor.
Key features include 12 I/O pins, a 10-bit ADC with up to 9 channels, 2 comparators, 1 enhanced 8/16-bit timer, 1 16-bit timer and 1 8-bit timer, 2 PWM modules, a USART, and a 14-channel mTouch capacitive-sensing block. The integrated USB 2.0 full-speed module provides device-mode operation with an internal 3.3V regulator and supports up to four endpoints, removing the need for an external PHY.
Architecturally, the PIC16F1454 uses Microchip's enhanced mid-range core delivering 200 ns instruction execution at 48 MHz, with a single-cycle hardware multiplier and 16-level hardware stack. The 1.8-5.5V wide VDD range allows direct battery connection, and the included 48 MHz precision internal oscillator eliminates external crystal cost for full-speed USB operation.
Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB CDC virtual COM ports, capacitive-touch user interfaces via mTouch, LED lighting controllers with PWM, low-cost sensor nodes, and consumer toys. The 14-SOIC package suits hand-soldering and breadboard-friendly through-hole-friendly footprints.
Designers should note the 14-pin SOIC has only 12 usable I/O after USB D+/D-, making pin budgeting important. Use the on-chip 3.3V regulator for the USB transceiver pull-up; bypass VUSB and VDD3 pins with 1 µF ceramics, and route the D+/D- pair as a 90-ohm differential.
This page synthesizes distributor pricing, drop-in alternative analysis, and applied design notes not found in the standalone datasheet, giving purchasing and engineering teams a single reference for sourcing and substituting PIC16F1454-E/SL.
Drop-in alternatives for PIC16F1454-E/SL — 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 PIC16F1454-E/SL (same form factor and footprint) — differing in Package, Operating Temperature, Timers, Core Architecture, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1455-I/SL
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1454-I/SL
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →PIC16LF1454-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1454-E/P
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16F1454-E/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| Maximum CPU Frequency | 48 MHz |
| Instruction Cycle Time | 200 ns at 48 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 10-bit, up to 9 channels |
| Comparators | 2 |
| Timers | 1 x 8-bit, 2 x 16-bit (one enhanced) |
| PWM Modules | 2 |
| Communication | USB 2.0 Full-Speed Device, USART |
| Capacitive Touch | mTouch, 14 channels |
| Operating Temperature | -40 C to +125 C (extended) |
| Package | 14-SOIC (SL), 3.90 mm body |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life) |
| RoHS Status | Compliant |
| Lead Free | Yes |
PIC16F1454-E/SL Pin Configuration
| Pin 1 | RA5/D+/SCK — Digital I/O / USB D+ / SPI clock |
| Pin 2 | RA4/D-/SDI — Digital I/O / USB D- / SPI data in |
| Pin 3 | RA3/MCLR/VPP — Digital I/O / Master Clear (reset) / Programming voltage |
| Pin 4 | RA2/AN2/T0CKI — Digital I/O / Analog input 2 / Timer0 clock |
| Pin 5 | RA1/AN1/C1IN1- — Digital I/O / Analog input 1 / Comparator input |
| Pin 6 | RA0/AN0/C1IN+/ICDDAT — Digital I/O / Analog input 0 / Comparator input / ICD data |
| Pin 7 | VSS — Ground |
| Pin 8 | VDD — Positive supply voltage (1.8-5.5V) |
| Pin 9 | RA7/OSC1/CLKIN/ICSPCLK — Digital I/O / Crystal input / External clock / ICSP clock |
| Pin 10 | RA6/OSC2/CLKOUT/ICSPDAT — Digital I/O / Crystal output / Clock out / ICSP data |
| Pin 11 | RC5/CCP1/RX/DT — Digital I/O / PWM1 / UART RX / EUSART data |
| Pin 12 | RC4/CCP2/TX/CK — Digital I/O / PWM2 / UART TX / EUSART clock |
| Pin 13 | RC3/AN9/C12IN3-/PGM — Digital I/O / Analog input 9 / Comparator input / LVP programming |
| Pin 14 | RC2/AN6/C12IN2-/DACOUT — Digital I/O / Analog input 6 / Comparator input / DAC output |
Typical Applications
PIC16F1454-E/SL is suitable for 6 applications: USB HID Peripherals (Keyboard, Mouse, Gamepad), USB CDC Virtual COM Port Bridges, Capacitive Touch User Interface, LED Lighting Controllers with PWM, Low-Cost Sensor Nodes, Consumer Toys and Hobby Electronics.
USB HID Peripherals (Keyboard, Mouse, Gamepad)
The PIC16F1454-E/SL's integrated USB 2.0 full-speed device controller, 14 KB Flash and 48 MHz internal oscillator make it ideal for USB HID peripherals where HID descriptors and report structures fit in a few hundred bytes of Flash. Its 12 I/O pins are sufficient for a USB keyboard scan matrix up to 8x8, a gaming mouse's button/HID reporting, or a gamepad's digital buttons. Placed as the sole MCU on a USB dongle PCB, it eliminates external USB PHY and 3.3V LDO cost. The 1.8-5.5V range supports USB bus-powered designs without additional regulation, and nanoWatt XLP sleep currents below 1 µA extend battery life in wireless HID dongles.
Recommended
USB CDC Virtual COM Port Bridges
The PIC16F1454-E/SL supports USB Communication Device Class (CDC) firmware that emulates an RS-232 COM port over USB, providing a bridge between legacy UART peripherals and modern PCs that lack serial ports. Its USART module and 48 MHz internal oscillator provide ample baud-rate resolution up to 921600 baud, while the integrated USB transceiver removes the need for an external FTDI-style bridge IC. Placed between a host microcontroller's UART TX/RX and the USB connector, the part delivers a transparent serial interface with bulk transfer throughput. The 14-SOIC package keeps the bill of materials minimal and lets the design fit on a thumb-drive-sized PCB.
Recommended
Capacitive Touch User Interface
The PIC16F1454-E/SL's 14-channel mTouch capacitive-sensing module, hardware CVD front-end and 14 KB Flash make it ideal for capacitive touch interfaces on appliances, lighting controls and consumer electronics. Its mTouch block scans up to 14 electrodes without external RC components, and its 10-bit ADC plus PWM outputs allow the same MCU to drive LED feedback on touch events. Placed on a control panel PCB with overlaid touch sensors, it processes up to 50 Hz touch scan rate while running the USB stack for service connectivity. The 1.8-5.5V range accommodates direct battery operation and the 12 I/O pins easily cover 8-12 buttons plus 2 PWM LED outputs.
Recommended
LED Lighting Controllers with PWM
The PIC16F1454-E/SL's 2 enhanced PWM modules, 10-bit ADC for color-mixing feedback, and 12 I/O pins make it suitable for compact LED controllers driving RGB strips, status indicators, or grow-light dimmers. The 48 MHz core provides the resolution needed for high-frequency PWM above 20 kHz to avoid audible flicker, while the nanoWatt XLP sleep mode keeps idle current low. Placed as the sole controller in a USB-powered RGB fixture, it accepts DMX-like input over USB and outputs phase-correct PWM to MOSFET drivers. The 14-SOIC package fits in handheld flashlight heads and under-light fixtures.
Recommended
Low-Cost Sensor Nodes
The PIC16F1454-E/SL's 10-bit ADC, USB interface for data export, and 1.8-5.5V operation make it a strong fit for USB-tethered sensor nodes measuring temperature, light, gas or voltage signals. Its ADC can scan up to 9 analog channels at up to 100 ksps, and the USB CDC channel transmits real-time readings to a host computer without a separate data-acquisition device. Placed as the brain of a USB sensor stick, it costs less than a dedicated ADC chip while adding a programmable platform for sensor fusion. The 14-SOIC package drops into compact enclosures for environmental and industrial sensor pucks.
Recommended
Consumer Toys and Hobby Electronics
The PIC16F1454-E/SL's 14 KB Flash for animation tables and sound effect triggers, USB device interface for firmware updates, and 12 I/O pins drive hobby-grade USB peripherals, RC receivers, and educational STEM kits. Its low price under $1.70 at qty 1 keeps BOM cost low for consumer toys, while the integrated USB bootloader simplifies field firmware upgrades by non-technical users. Placed as the main controller on a USB-connected toy, it drives servo or LED outputs and reports telemetry over USB CDC. The 14-SOIC package suits both hand-soldered hobby kits and reflow-production consumer runs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1454-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1455-I/SL | PIC16F1454-I/SL | PIC16LF1454-I/SL | PIC16F1454-E/P |
|---|---|---|---|---|---|
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-PDIP (P) - NOT drop-in |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| Data Memory (SRAM) | 512 B | 1024 B (2x) | 512 B | 512 B | 512 B |
| Maximum Clock | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Voltage | 1.8 - 5.5 V | 1.8 - 5.5 V | 1.8 - 5.5 V | 1.8 - 3.6 V (lower) | 1.8 - 5.5 V |
| Operating Temperature | -40 to +125 C (extended) | -40 to +85 C (industrial) | -40 to +85 C (industrial) | -40 to +85 C (industrial) | -40 to +125 C (extended) |
| USB Module | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
Key Differentiators
- Integrated USB 2.0 Full-Speed transceiver eliminates external PHY (vs PIC16F1455-I/SL)
- Extended -40 to +125 C temperature grade for industrial use (vs PIC16F1454-I/SL)
- Full 1.8-5.5 V VDD range for direct battery operation (vs PIC16LF1454-I/SL)
Design Notes
Bypass VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin; add a bulk 1 µF to 10 µF ceramic if the design is USB bus-powered to absorb the 100 mA inrush during enumeration. The integrated USB LDO produces a 3.3V rail on the VDD3 pin that must also be bypassed with 1 µF - without it the USB transceiver can fail compliance. nanoWatt XLP sleep currents below 1 µA only apply when the USB module is disabled and the internal oscillator is gated; verify in firmware by setting UCON<SUSPND>=1 and OSCCON<IDLEN>=0 before sleep.
Route the USB D+ and D- pair as a 90-ohm differential with no more than 50 mil spacing to the USB connector, and keep total length below 50 mm to maintain signal integrity at 12 Mbps. Place the 14-SOIC MCU near the USB connector to shorten the differential run, and route the VBUS sense line through a divider or ferrite. Use a 4-layer stack with a continuous ground plane beneath the USB lines, and avoid routing digital signals (PWM, USART) across the D+/D- pair to prevent radiated noise coupling into the eye diagram.
Do not exceed 5.5 V on VDD - the on-chip USB regulator is only rated to 5.5 V and will not survive a 12V regulator mistake. Do not omit the 1 µF capacitor on VDD3 or USB enumeration will fail intermittently under load. Do not enter sleep with the USB module active; the device cannot wake from USB on PIC16F1454 without the interrupt on change enabled. Finally, do not use the internal 48 MHz oscillator for USB if the temperature drifts outside -40 to +85 C - the USB clock accuracy drops and may fail compliance.
Estimated: at 48 MHz core and 1.8-5.5 V VDD, the SOIC-14 package theta_JA is approximately 100 C/W in still air. With a typical active current of 5 mA at 48 MHz, the chip dissipates under 25 mW and self-heating is negligible - no heatsink is required. Place the decoupling capacitors and the crystal (if used) on the same PCB side as the SOIC to keep loop areas small. Connect the exposed paddle copper (if present) to a 4-via flooded copper pour on the top layer to improve thermal spreading.
Compliance Information
RoHS compliant per Microchip product page. AEC-Q100 qualification is not in the verified data - confirm with the manufacturer for automotive applications. The -E temperature grade is rated -40 to +125 C but this is not an AEC-Q100 certification.
