PIC16F1455-E/SL - 8-Bit USB MCU 14KB Flash 48MHz | Microchip
MPN: PIC16F1455-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.1 | $2.10 |
| 10 | $1.95 | $19.50 |
| 100 | $1.78 | $178.00 |
| 500 | $1.55 | $775.00 |
| 1,000 | $1.34 | $1,340.00 |
PIC16F1455-E/SL Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, working RAM, and a rich set of peripheral interfaces such as timers, ADC, communication ports, and increasingly USB and capacitive touch sensing. The PIC16F1455 sits at the entry level of the enhanced mid-range 8-bit PIC family, providing USB connectivity that is uncommon in this pin count and price tier. Its taxonomy is: 8-bit microcontroller → enhanced mid-range PIC16 core → USB-capable PIC16F1xxx sub-family → power management IC domain (semiconductor).
Key features of the PIC16F1455-E/SL include a high-performance 49-instruction RISC core with 16 stack levels, an internal 48 MHz oscillator, self read/write Flash capability, and 128 bytes of non-volatile data storage. It also provides 12 I/O pins, multiple 8-bit and 10-bit ADC channels (per the LCSC product entry), two standalone 10-bit PWM modules, and Microchip's eXtreme Low Power (XLP) technology for sleep currents below the microamp range.
The device is built on Microchip's enhanced mid-range core architecture and supports in-circuit serial programming (ICSP) plus in-circuit debugging. Its USB 2.0 full-speed transceiver with internal clock recovery removes the cost and board area of a 12 MHz crystal for USB applications, making the part uniquely attractive in the 14-pin MCU segment.
Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-cost USB-to-UART bridges, sensor and lighting nodes requiring capacitive touch via mTouch, consumer toys, and battery-powered IoT endpoints that benefit from the XLP sleep current profile.
When designing with this MCU, note that the USB module requires a precise 48 MHz clock; although internal oscillator and PLL provide this, an external crystal can be used when stricter USB jitter compliance is required. The 14-SOIC footprint allows easy hand-soldering for prototypes while remaining production-friendly.
This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes for the PIC16F1455-E/SL that are not aggregated in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F1455-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 PIC16F1455-E/SL (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Core Architecture, RAM.
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 →PIC16F1454T-I/ST
✅ Drop-In✓ In Stock
$1.41 / Unit
View Datasheet →PIC16F1455-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1455-E/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1454-E/P
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16F1455T-I/ST
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC16F1455-E/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory | 14 KB Flash (8K x 14 words) |
| RAM | 1 KB |
| Data EEPROM | 0 bytes (HEF emulation, 128 B NVDS) |
| Maximum CPU Speed | 48 MHz |
| Internal Oscillator | 48 MHz (with USB clock recovery) |
| Instruction Set | 49 instructions, 16 stack levels |
| I/O Pins | 12 |
| USB Module | USB 2.0 Full-Speed with clock recovery from USB |
| ADC | 8-bit and 10-bit modules |
| PWM | 2x 10-bit standalone PWM modules |
| Package | 14-SOIC (SL), 0.154 in / 3.90 mm body width |
| Operating Temperature | -40 °C to +125 °C (Industrial, E suffix) |
| Low Power Technology | XLP (eXtreme Low Power) |
| Programming | ICSP (In-Circuit Serial Programming) + ICD |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1455-E/SL Pin Configuration
| Pin 1 | RA3/Vpp/MCLR — Digital I/O / programming voltage / Master Clear reset (active-low) |
| Pin 2 | RA0 — Digital I/O / analog input / DAC output |
| Pin 3 | RA1 — Digital I/O / analog input / DAC output |
| Pin 4 | Vss — Ground reference |
| Pin 5 | RA2 — Digital I/O / analog input |
| Pin 6 | RC0 — Digital I/O / USB Full-Speed D+ |
| Pin 7 | RC1 — Digital I/O / USB Full-Speed D- |
| Pin 8 | RC2 — Digital I/O |
| Pin 9 | RC3 — Digital I/O |
| Pin 10 | RC4 — Digital I/O |
| Pin 11 | RC5 — Digital I/O |
| Pin 12 | RA4 — Digital I/O / analog input |
| Pin 13 | RA5 — Digital I/O / analog input |
| Pin 14 | Vdd — Positive supply voltage |
Typical Applications
PIC16F1455-E/SL is suitable for 6 applications: USB HID Peripherals, USB-to-UART Bridge, Consumer Toys and Education Boards, Capacitive Touch Sensor Nodes, Battery-Powered IoT Endpoints, Industrial Control Interfaces.
USB HID Peripherals
The PIC16F1455-E/SL is purpose-built for low-cost USB HID devices such as keyboards, mice, game controllers, custom input panels, and vendor-class USB gadgets. Its integrated USB 2.0 Full-Speed module with on-chip clock recovery eliminates the external 12 MHz crystal normally required for USB, shrinking the BOM and board area. The 14 KB Flash and 1 KB RAM fit HID report descriptors, bootloader logic, and modest application code, while the 12 available I/O pins are sufficient for matrix-scanned keyboards, capacitive touch sliders, and rotary encoder inputs.
Recommended
USB-to-UART Bridge
The PIC16F1455-E/SL serves as a CP2102-equivalent USB-to-UART bridge for legacy equipment modernization. The on-chip USB device stack plus a software UART or bit-banged serial interface lets designers replace dedicated bridge ICs with a part that also has 12 GPIOs for RTS/CTS handshaking, status LEDs, and configuration straps. Operating from the USB 5 V bus directly with on-chip 3.3 V regulation keeps external components to a single bypass cap on most designs, and the industrial -40 to +125 °C range lets the same firmware deploy in industrial enclosures.
Recommended
Consumer Toys and Education Boards
The PIC16F1455-E/SL is popular in STEM education kits and low-cost consumer toys because it combines USB programmability (no separate programmer required) with the PIC16 enhanced mid-range 8-bit core that students can learn quickly. The 14-SOIC package fits on through-hole adapter boards for breadboarding, while still being surface-mountable for finished products. The XLP sleep current below 1 µA extends battery life in portable toys, and the mTouch capacitive sensing peripherals enable touch-button toys without mechanical switches.
Recommended
Capacitive Touch Sensor Nodes
The PIC16F1455-E/SL integrates Microchip's mTouch capacitive sensing module with up to 12 touch channels that map directly to its GPIO pins. Designers can build water-resistant touch buttons, sliders, and wheels for kitchen appliances, industrial control panels, and consumer electronics. The 10-bit ADC and 10-bit PWM modules support proximity sensing plus LED dimming on the same MCU, while the XLP sleep current keeps battery-powered touch wake-up designs in the sub-µA quiescent range.
Recommended
Battery-Powered IoT Endpoints
The PIC16F1455-E/SL is well-suited to battery-powered IoT sensor endpoints that occasionally expose a USB port for firmware updates or configuration. XLP technology holds sleep current below 1 µA, allowing coin-cell-powered nodes to run for years. The 48 MHz core wakes quickly, processes sensor readings, and returns to sleep; USB enumeration is invoked only when the host requests a connection. The 14-SOIC's small footprint and industrial temperature grade suit outdoor IoT deployments.
Recommended
Industrial Control Interfaces
The PIC16F1455-E/SL is used in industrial control interfaces such as USB-connected sensor readers, configuration programmers, and shop-floor status displays. Its -40 to +125 °C industrial temperature range ensures operation in unheated cabinets, while its 12 I/O pins drive opto-isolated inputs, relay coils, and indicator LEDs. The 48 MHz core plus 14 KB Flash supports Modbus, custom protocols, and local diagnostics without an external communication co-processor.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1455-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1455-I/SL | PIC16F1454-I/SL | PIC16F1455-E/P | PIC16F1455T-I/ST |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL), 3.90 mm body | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-PDIP (P) - different | TSSOP-14 (ST) - different |
| Program Memory (Flash) | 14 KB | 14 KB | 8 KB (-43%) | 14 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Max CPU Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| USB 2.0 Module | Yes (Full-Speed, clock recovery) | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 °C to +125 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C | -40 °C to +85 °C (Industrial) |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Approx. Qty-1 Price (USD) | 2.10 | 1.95 (-7%) | 1.70 (-19%) | 2.20 (+5%) | 2.00 (-5%) |
Key Differentiators
- Industrial -40 to +125 °C temperature grade (vs PIC16F1455-I/SL)
- Higher Flash density than PIC16F1454 family (vs PIC16F1454-I/SL)
- Smaller surface-mount footprint vs PDIP alternatives (vs PIC16F1455-E/P)
Design Notes
Route the USB D+ (RC0, pin 6) and D- (RC1, pin 7) traces as a 90 Ω differential pair directly to the USB connector with no stubs. Keep the trace length under 50 mm and maintain a continuous ground reference plane underneath. Place the 100 nF Vdd bypass capacitor as close as possible to pin 14, with a 10 µF bulk capacitor within 10 mm of the supply pin. If the design is bus-powered only, the internal 3.3 V regulator output still requires a 4.7 µF decoupling cap on the regulator pin.
Do not leave MCLR/RA3 (pin 1) floating - even in production builds, configure MCLR disabled in the configuration word and add a 10 kΩ pull-up to Vdd. The internal 48 MHz oscillator is adequate for USB Full-Speed but adds jitter; designs requiring tight USB signal integrity should add a 12 MHz external crystal to the dedicated oscillator pins. Always define unused I/O pins as outputs and tie them low, or enable the internal weak pull-up to prevent shoot-through current in sleep mode.
XLP sleep current on the PIC16F1455-E/SL is rated below 1 µA at 3.3 V with the USB transceiver disabled. For battery-powered USB endpoints that wake on Vbus attach, configure the USB interrupt to wake from sleep but keep the on-chip regulator enabled to minimize attach-detection latency. Estimated: at 1 µA sleep current and a CR2032 coin cell (220 mAh), the theoretical node lifetime is approximately 25 years - actual life is dominated by coin-cell self-discharge rather than MCU quiescent current.
Compliance Information
RoHS and REACH compliance inferred from Microchip product environmental information. AEC-Q100 not qualified - the PIC16F1455-E/SL is industrial-grade (E suffix) but not automotive-qualified; for AEC-Q100 USB PIC MCUs, consider PIC16F1459-E/SL Q1 variants or upgrade to PIC18F14K50 family.
