PIC16F54-I/P - 8-Bit 20MHz 768B Flash MCU 18-PDIP | Microchip
부품 번호: PIC16F54-I/P ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.1 | $1.10 |
| 10 | $0.98 | $9.80 |
| 100 | $0.86 | $86.00 |
| 500 | $0.76 | $380.00 |
| 1,000 | $0.68 | $680.00 |
PIC16F54-I/P 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/ROM for program code and SRAM for data), and programmable I/O peripherals onto one die. The PIC16F54 belongs to the PIC16 family, which sits inside Microchip's 8-bit PICmicro architecture hierarchy: PIC10/PIC12/PIC16/PIC18 (8-bit) -> PIC24/dsPIC (16-bit) -> PIC32 (32-bit). Within the PIC16 sub-family, the F5x series is the lowest-cost entry-level group, optimized for simple logic replacement, sensor conditioning, and appliance control rather than communication-rich applications.
Key features that differentiate this part include: 33 single-word instructions (with all branches executing in two cycles and all other instructions in one cycle), a two-level hardware stack, direct/indirect/relative addressing modes, an internal 4 MHz RC oscillator (calibrated to within ±1 % by Microchip), and a 4-channel 8-bit A/D converter (PIC16F57/59 variants only — the PIC16F54 does not include ADC). The wide 2.0 V to 5.5 V Vdd range enables direct battery operation from two alkaline cells, and the low-power CMOS design keeps operating current in the low milliamp range at full clock speed.
Architecturally, the device uses a Harvard-style bus (separate program and data paths) with a 12-bit-wide instruction word, giving a typical 2:1 code density advantage over competing 8-bit CISC architectures. The watchdog timer with on-chip RC oscillator, programmable code protection, and power-on reset (POR) provide autonomous fault recovery without external components. Three I/O ports (RA0-RA3, RB0-RB7, RC0-RC7 — though on the 18-pin PIC16F54 only RA0-RA3 and RB0-RB7 are bonded out) expose up to 12 general-purpose digital lines.
Typical applications for the PIC16F54-I/P include appliance controls (washing-machine front panels, microwave keypads), LED driving and chase-light controllers, remote-control transmitter ICs, simple battery-powered sensor interfaces, automotive body-electronics subsystems (mirror control, simple HVAC flaps, courtesy lamps), and industrial logic-replacement modules. The wide Vdd tolerance and minimal external BOM make it ideal as a "glue logic" replacement for discrete 74HC gates in space-constrained designs.
When designing with this part, note that the PIC16F5x family is OTP-style Flash (single-bank, no self-programming), uses a 12-bit instruction word (incompatible with newer 14-bit PIC16 midrange cores), and has only a two-level hardware call stack — recursion is not supported. Designers should use the MPLAB X IDE with the XC8 compiler in "pic16f54" mode and select the appropriate programmer (PICkit 3/4 or ICD) configured for the 18-pin PDIP.
This page synthesizes distributor stock and pricing, drop-in compatible alternates (including automotive-temperature PIC16F54-E/P and PIC16F54T-I/P reel variants), and practical design notes not consolidated on any single manufacturer or distributor page.
드롭인 대체품: PIC16F54-I/P — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F54-I/P (동일 폼 팩터 및 풋프린트) — 차이점: Program Memory Type, Package, Program Memory Size, Operating Temperature, Timers.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F54-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F54-E/P
✅ 드롭인✓ 재고 있음
$0.84 / 개
데이터시트 보기 →PIC16F54T-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16C54A-10/P
✅ 드롭인✓ 재고 있음
$0.98 / 개
데이터시트 보기 →PIC16F54-I/P 최대 정격 & 전기적 특성
| Core Architecture | PIC16 (8-bit RISC, 12-bit instruction word) |
| Program Memory Type | Flash |
| Program Memory Size | 768 B (512 x 12 words) |
| Data Memory (SRAM) | 25 B |
| EEPROM | None |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Instruction Set Size | 33 single-word instructions |
| I/O Pins | 12 |
| Operating Voltage Range | 2.0 V to 5.5 V |
| 동작 온도 범위 | -40 C to +85 C (Industrial, -I suffix) |
| 패키지 | 18-pin PDIP (through-hole, 7.62 mm row spacing) |
| 실장 유형 | Through-Hole (DIP) |
| Watchdog Timer | Yes, with dedicated on-chip RC oscillator |
| ADC | Not present on PIC16F54 (available on PIC16F57/59) |
| Hardware Stack | 2 levels |
| Internal Oscillator | 4 MHz RC (factory calibrated) |
| RoHS 상태 | Compliant |
PIC16F54-I/P 핀 구성
| 핀 1 | RA2 — Bidirectional I/O port A bit 2 |
| 핀 2 | RA3 — Bidirectional I/O port A bit 3 |
| 핀 3 | RA4/T0CKI — Bidirectional I/O port A bit 4 / Timer0 clock input |
| 핀 4 | MCLR — Master Clear reset input (active low) |
| 핀 5 | GND — Ground reference |
| 핀 6 | RB0/INT — Bidirectional I/O port B bit 0 / external interrupt |
| 핀 7 | RB1 — Bidirectional I/O port B bit 1 |
| 핀 8 | RB2 — Bidirectional I/O port B bit 2 |
| 핀 9 | RB3 — Bidirectional I/O port B bit 3 |
| 핀 10 | RB4 — Bidirectional I/O port B bit 4 |
| 핀 11 | RB5 — Bidirectional I/O port B bit 5 |
| 핀 12 | RB6 — Bidirectional I/O port B bit 6 |
| 핀 13 | RB7 — Bidirectional I/O port B bit 7 |
| 핀 14 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| 핀 15 | OSC2/CLKOUT — Oscillator crystal output / CLKOUT |
| 핀 16 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| 핀 17 | RA0 — Bidirectional I/O port A bit 0 |
| 핀 18 | RA1 — Bidirectional I/O port A bit 1 |
일반적인 애플리케이션
PIC16F54-I/P 적합 용도: 6 애플리케이션s: Appliance Front-Panel Control, LED Chase / Decorative Lighting Controller, Remote-Control Transmitter (IR/RF Keyfob), Automotive Body Electronics (Courtesy / Mirror), Industrial Sensor Interface / Logic-Replacement, Battery-Powered Consumer Electronics.
Appliance Front-Panel Control
The PIC16F54-I/P is well matched to washing-machine, dishwasher and microwave front-panel keypads because its 12 I/O pins directly drive 7-segment LED digit lines and scanned matrix key matrices without external decode logic. The 768 B Flash (512 words) accommodates a state-machine plus canned-message lookup table, and 25 B SRAM is sufficient for a 4-digit debounce buffer. The 2.0 V to 5.5 V Vdd range allows direct operation from a rectified 5 V transformer rail without an LDO, reducing BOM by one regulator and several capacitors.
추천
LED Chase / Decorative Lighting Controller
For LED chase lights, sign edge-lighting and holiday-light effects the PIC16F54-I/P drives 12 individual LED strings via direct 25 mA sink/source per pin. At 20 MHz (200 ns instruction cycle) the firmware can PWM 12 channels simultaneously using software timers in the 25 B SRAM. The 2.0 V minimum Vdd permits 2-cell alkaline or NiMH battery packs for portable installations, while the 5.5 V maximum tolerates USB or 5 V regulated supplies without level shifters.
추천
Remote-Control Transmitter (IR/RF Keyfob)
Battery-powered IR or sub-GHz keyfob transmitters pair well with the PIC16F54-I/P because its < 2 mA active current and low-power CMOS process preserve coin-cell life. The 768 B Flash stores 4 to 8 button commands plus a rolling-code encoder; the internal 4 MHz RC oscillator eliminates the external crystal and the MCLR pin can be repurposed as a wake-up input in sleep mode. The wide 2.0 V to 5.5 V range supports CR2032 (3 V) and 2x AA (3 V) supplies without boost converters.
추천
Automotive Body Electronics (Courtesy / Mirror)
For non-safety automotive body modules such as courtesy lamps, mirror position controllers and seat heaters, the PIC16F54-I/P drives relays and small solenoids through its 12 I/O pins. The -I industrial temperature grade covers most cabin environments (-40 to +85 C). For under-hood or extreme-temperature zones, the drop-in PIC16F54-E/P (-40 to +125 C) keeps the same PCB and firmware, simplifying BOM across product variants.
추천
Industrial Sensor Interface / Logic-Replacement
The PIC16F54-I/P excels as a discrete 74HC logic replacement with programmable behavior. Its 12 I/O pins can implement multiplexer, latch, debounce and one-shot functions that would otherwise require 3 to 5 separate 74HC chips, reducing PCB area and power. The industrial -40 to +85 C range, watchdog timer and power-on reset provide autonomous fault recovery in unattended installations such as vending machines, HVAC damper actuators and conveyor sensors.
추천
Battery-Powered Consumer Electronics
For two-cell battery products (remote controls, digital scales, thermometers, simple toys) the PIC16F54-I/P's 2.0 V minimum Vdd enables direct battery operation down to the cell end-point. At 4 MHz internal RC the current draw is below 2 mA active, and the watchdog + sleep modes can drop quiescent current under 1 uA. The 12 I/O pins drive LCD segments (1/2 duty, 1/2 bias via external resistors) or scan up to 12 keys with zero external components.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F54-I/P — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F54-I/SO | PIC16F54-E/P | PIC16F54T-I/P | PIC16C54A-10/P |
|---|---|---|---|---|---|
| Package | PDIP-18 | SOIC-18 (SMT, same die) | PDIP-18 (extended -40/+125 C) | PDIP-18 (tape & reel) | PDIP-18 (EPROM, 10 MHz) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 768 B Flash (512 x 12) | 768 B Flash (same die) | 768 B Flash (same die) | 768 B Flash (same die) | 768 B OTP EPROM |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 10 MHz (-50%) |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.0 V to 6.0 V (narrower) |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | 0 C to +70 C (Commercial) |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Memory Type | Flash | Flash | Flash | Flash | OTP EPROM (one-time) |
| Pin Compatibility | PDIP-18 baseline | Same pinout (SOIC package) | Same pinout (same package) | Same pinout (same package) | Same pinout (same package) |
주요 차별점
- Lowest-cost 8-bit Flash PICmicro in the portfolio (vs PIC16F505-I/P)
- Flash reprogrammability vs OTP EPROM (vs PIC16C54A-10/P)
- Extended-temperature drop-in variant available (vs PIC16F54-E/P)
설계 노트
Place a 100 nF decoupling capacitor as close as possible (within 3 mm) to the VDD pin (pin 14). For designs with high I/O switching (more than 4 outputs simultaneously changing), add a bulk 1 uF to 10 uF tantalum or ceramic capacitor to the same VDD trace. The wide 2.0 V to 5.5 V range eliminates the need for an LDO when the upstream rail is already regulated to 5 V or 3.3 V; for USB-powered designs, tap VDD from the 5 V USB rail directly.
The PIC16F54-I/P's 33-instruction set is the original 12-bit PIC16F5x core, NOT the 14-bit midrange core used by PIC16F1xx and later. Code compiled with XC8 in default "pic16f1xxx" mode will produce errors. In MPLAB X, select the "pic16f54" target explicitly in project properties. Also note: the two-level hardware stack means there is no software recursion support - only GOTO and one-level CALL are possible.
Keep the crystal or ceramic resonator traces (OSC1 pin 16, OSC2 pin 15) short (less than 10 mm) and away from high-current switching signals. When using the internal 4 MHz RC oscillator, leave OSC1 and OSC2 as no-connect or route to test points for calibration. Place the MCLR pull-up resistor (typically 10 kohm) close to pin 4 and add a 100 nF cap to ground for noise immunity in electrically noisy environments (motor control, relay boards).
규정 준수 정보
RoHS and lead-free per Microchip product page; PIC16F54 family is not AEC-Q100 qualified (use PIC16F54-E/P for extended temperature but still not AEC-Q100); REACH compliance inferred from Microchip's published substance declarations.
