PIC16F1455T-I/SL - 14KB Flash 8-bit USB MCU | Microchip
부품 번호: PIC16F1455T-I/SL ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.1 | $2.10 |
| 10 | $1.89 | $18.90 |
| 100 | $1.68 | $168.00 |
| 500 | $1.51 | $755.00 |
| 1,000 | $1.35 | $1,350.00 |
| 2,600 | $1.24 | $3,224.00 |
PIC16F1455T-I/SL 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals into one device. The PIC16F1455 belongs to Microchip's PIC16 enhanced mid-range family, which uses a Harvard RISC architecture and executes most instructions in one clock cycle, giving deterministic real-time response. The "PIC16F1454/1455/1459" trio forms a scalable family: PIC16F1454 (8 pins, 7KB Flash), PIC16F1455 (14 pins, 14KB Flash, USB), and PIC16F1459 (20 pins, 14KB Flash, USB).
Key features include 14KB self-read/write Flash, 1024 bytes RAM, a 48MHz internal oscillator, USB 2.0 full-speed with on-chip transceiver and clock recovery, a 10-bit ADC with up to 9 channels, two PWM modules, two comparators, and the eXtreme Low Power (XLP) sleep current of ~50 nA typical. The enhanced mid-range core offers 49 instructions and 16 stack levels, with 200ns instruction execution at 20MHz.
The integrated USB transceiver eliminates the need for an external crystal and dedicated PHY chip, which is the dominant differentiator versus non-USB PIC16F parts. Because the USB clock is recovered from the host signal, designers can use the internal 48MHz HFINTOSC and free both oscillator pins for I/O. According to Microchip documentation, the part is recommended for low-cost USB peripherals, capacitive-touch sensing with the mTouch CVD peripheral, and human-interface devices such as keyboards, mice, and game controllers.
Typical applications include USB HID peripherals, USB-to-UART cables, capacitive touch keypads, and simple sensor nodes. For battery-powered designs the XLP sleep current of ~50 nA typical allows multi-year life from a coin cell. Choose the PIC16F1455T-I/SL when you need USB on a 14-pin SOIC with tape-and-reel packaging suitable for high-volume pick-and-place assembly.
드롭인 대체품: PIC16F1455T-I/SL — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F1455T-I/SL (동일 폼 팩터 및 풋프린트) — 차이점: ADC, I/O Pins, Package, Operating Temperature, Timers.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F1455-I/SL
✅ 드롭인✓ 재고 있음
$1.55 / 개
데이터시트 보기 →PIC16F1454T-I/SL
✅ 드롭인✓ 재고 있음
$0.85 / 개
데이터시트 보기 →PIC16F1455T-I/SL 최대 정격 & 전기적 특성
| Core Architecture | PIC enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (RAM) | 1024 bytes |
| Data EEPROM | 0 bytes (not present in this family) |
| Maximum CPU Frequency | 48 MHz |
| Instruction Execution Time | 200 ns at 20 MHz (1 cycle/instruction) |
| Internal Oscillator | 48 MHz HFINTOSC, 31 kHz LFINTOSC |
| Operating Voltage Range | 2.3 V to 5.5 V |
| USB Module | USB 2.0 Full-Speed with on-chip transceiver and clock recovery |
| ADC | 10-bit, up to 9 channels |
| PWM Modules | 2 (10-bit) |
| Comparators | 2 |
| I/O Pins | 12 (on 14-pin package) |
| 동작 온도 범위 | -40 C to +85 C (industrial, "-I" grade) |
| 패키지 | 14-pin SOIC (SL), 0.154" (3.90 mm) body width |
| RoHS 상태 | Compliant |
PIC16F1455T-I/SL 핀 구성
| 핀 1 | RA3/AN3/VPP/MCLR — Digital I/O / analog input / programming voltage / Master Clear reset |
| 핀 2 | RA0/D-/PWM2 — Digital I/O / USB D- line / PWM2 output |
| 핀 3 | RA1/D+/PWM1 — Digital I/O / USB D+ line / PWM1 output |
| 핀 4 | RA2/AN2/T0CKI — Digital I/O / analog input / Timer0 clock input |
| 핀 5 | RA4/AN4 — Digital I/O / analog input |
| 핀 6 | RA5/AN5 — Digital I/O / analog input |
| 핀 7 | VSS — Ground |
| 핀 8 | VDD — Positive supply (2.3 V - 5.5 V) |
| 핀 9 | RB4/AN8 — Digital I/O / analog input |
| 핀 10 | RB5/AN9 — Digital I/O / analog input |
| 핀 11 | RB6/ICSPCLK — Digital I/O / ICSP clock |
| 핀 12 | RB7/ICSPDAT — Digital I/O / ICSP data |
| 핀 13 | RC0/PWM2 — Digital I/O / PWM2 output |
| 핀 14 | RC1/PWM1 — Digital I/O / PWM1 output |
일반적인 애플리케이션
PIC16F1455T-I/SL 적합 용도: 6 애플리케이션s: USB HID Peripheral (Mouse / Keyboard / Gamepad), USB-to-UART Bridge Cable, Capacitive Touch Keypad (mTouch CVD), Battery-Powered Sensor Node (XLP), Industrial USB Data Acquisition Front-End, USB LED Controller / Lighting Strip Driver.
USB HID Peripheral (Mouse / Keyboard / Gamepad)
The PIC16F1455T-I/SL is well matched to USB HID peripherals thanks to its on-chip USB 2.0 Full-Speed transceiver and clock recovery, 14 KB Flash for the HID stack plus matrix-scan keymaps, and 1024 B RAM for HID report buffers. The integrated 48 MHz HFINTOSC eliminates the external crystal typically required for USB, freeing the two oscillator pins for additional switches or LED indicators on a 14-pin PCB. With the Microchip USB stack consuming roughly 4-5 KB of Flash, the remaining ~9 KB is ample for HID report descriptors, debounce logic, and capacitive-touch sensing via the mTouch CVD peripheral.
추천
USB-to-UART Bridge Cable
In a USB-to-UART bridge the PIC16F1455T-I/SL exposes the on-chip USB Full-Speed device, runs the CDC class driver, and bit-bangs or timer-drives a UART on one of its 12 I/O pins. The 48 MHz core gives sufficient baud-rate accuracy for 115200 bps and faster, and the 14 KB Flash holds both the CDC stack and a small command parser. Because no external USB crystal is needed, the design fits in a 14-pin SOIC footprint ideal for in-line cable dongles. The XLP sleep current is irrelevant here since USB-attached devices are typically bus-powered, but the part is also useful in low-power UART-to-USB industrial bridges.
추천
Capacitive Touch Keypad (mTouch CVD)
The PIC16F1455T-I/SL's 2 PWM modules, 10-bit ADC, and mTouch CVD peripheral support capacitive touch sensing on up to 12 electrodes in a 14-pin SOIC. Combined with the on-chip USB, the part can deliver a single-chip capacitive-touch keypad that reports HID-over-USB to a host PC, eliminating the touch controller IC. The enhanced mid-range core's deterministic 1-cycle instruction execution produces consistent CVD charge/discharge timing, important for touch sensitivity and water-rejection firmware. Industrial -40 C to +85 C temperature grade supports keypad operation in uncontrolled environments.
추천
Battery-Powered Sensor Node (XLP)
For battery-powered wireless sensors or remote controls, the PIC16F1455T-I/SL's eXtreme Low Power sleep current of ~50 nA typical and 2.3 V minimum VDD allow multi-year operation from a coin cell. The 48 MHz internal oscillator wakes the core in microseconds, samples a sensor through the 10-bit ADC, optionally transmits over USB or a UART, and returns to sleep. USB is normally off in sleep mode, but the part can wake on a VBUS attach via interrupt, enabling USB-attached battery-charged accessories. The 14-pin SOIC is small enough to fit alongside a CR2032 holder in compact wearables.
추천
Industrial USB Data Acquisition Front-End
In a USB-attached industrial data acquisition front-end the PIC16F1455T-I/SL streams 10-bit ADC samples over USB CDC or vendor-class endpoints. The 48 MHz core sustains 100 ksps aggregate throughput while running the ADC and USB interrupt, and the 1024 B RAM holds double-buffered sample blocks. The industrial -40 C to +85 C temperature grade handles factory-floor environments. Two comparators enable hardware thresholding for alarm or zero-crossing detection alongside ADC conversion, useful in vibration or line-frequency sensing modules.
추천
USB LED Controller / Lighting Strip Driver
The PIC16F1455T-I/SL drives WS2812B or APA102 addressable LED strips via SPI or bit-banged PWM over USB, allowing PC-driven lighting effects. The 48 MHz core meets WS2812B's 800 kbps / 1.25 us timing and the 14 KB Flash holds the USB HID + LED protocol stack simultaneously. Two PWM modules can additionally drive high-current MOSFETs for analog dimming channels. The 14-SOIC package keeps the controller PCB under 0.5 sq cm, and the internal 48 MHz oscillator removes the external crystal required by most WS2812B implementations that lack precise timing.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F1455T-I/SL — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F1455-I/SL | PIC16F1454T-I/SL | PIC16F1455-I/P |
|---|---|---|---|---|
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-PDIP (P) - through-hole, not drop-in SMT |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 8 KB (-43%) | 14 KB |
| RAM | 1024 bytes | 1024 bytes | 512 bytes (-50%) | 1024 bytes |
| CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| USB Module | USB 2.0 Full-Speed + clock recovery | USB 2.0 Full-Speed + clock recovery | USB 2.0 Full-Speed + clock recovery | USB 2.0 Full-Speed + clock recovery |
| 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 |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Packaging | Tape & Reel (T) | Tube | Tape & Reel (T) | Tube (PDIP) |
주요 차별점
- USB Full-Speed with clock recovery + 48 MHz HFINTOSC eliminates external crystal (vs PIC16F1454T-I/SL)
- Same die in tube packaging for prototyping (vs PIC16F1455-I/SL)
- 14-pin SOIC for SMT vs through-hole prototype (vs PIC16F1455-I/P)
설계 노트
The PIC16F1455T-I/SL requires VDD decoupling of 100 nF within 5 mm of the VDD pin (pin 8) and an additional 4.7 uF bulk capacitor near the supply. The D+ (pin 3) and D- (pin 2) USB lines should be routed as a 90-ohm differential pair with no stubs, and the VBUS sense pin (typically RC2 if used) needs a divider that meets USB-IF inrush current limits. According to Microchip's USB CDC class application note, ferrite beads on VBUS are not required but a TVS diode like USBLC6-2SC6 is recommended for surge protection on host-facing designs.
Do not assume USB works below 3.0 V - the USB transceiver requires VDD >= 3.0 V for proper signaling. Below 3.0 V the core, ADC, comparators, and timers still operate, but USB must remain disabled. Estimated: at 48 MHz and 5.0 V the core draws roughly 8-10 mA active; in XLP sleep mode with USB off the part drops to ~50 nA typical. The MCLR pin (RA3) is shared with VPP programming voltage - do not pull RA3 low in the application unless using weak pull-up, or you will unintentionally reset the device during programming or run time.
For capacitive-touch (mTouch CVD) applications, guard traces around the touch electrodes with a hatched ground pour and route the electrode traces in parallel with a constant spacing of 2-3 mm to maximize coupling and improve water rejection. Keep digital switching traces away from the analog ADC inputs (AN3, AN4, AN5) on PORTA - place a ground guard between them and digitize via oversampling with software averaging to suppress coupled switching noise.
규정 준수 정보
RoHS / REACH compliance per Microchip product page. AEC-Q100 not applicable - this is a general-purpose MCU, not an automotive-grade part. Choose PIC16F1455-E/SL extended-temperature grade or PIC16F1455T-I/SL industrial grade depending on application.
