PIC16C558-04I/P - 4MHz 8-Bit OTP MCU 13 I/O 18-PDIP | Microchip
MPN: PIC16C558-04I/P ✗ Cuối đờiPIC16C558-04I/P Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (ROM/OTP/Flash), working RAM, and programmable peripherals. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, enabling deterministic instruction timing critical for real-time control. The PIC16C55x family targets low-cost embedded control and belongs to the broader category: microcontroller -> embedded processor -> semiconductor IC.
Key features of the PIC16C558-04I/P include its 4 MHz maximum operating frequency (the -04 speed grade), 13 I/O pins across PORTA (5 bits) and PORTB (8 bits), a 2-level hardware stack, direct/indirect/relative addressing modes, and 8-bit real-time clock/counter TMR0 with software-programmable prescaler. The OTP (One-Time Programmable) program memory enables low per-unit cost in production volumes.
The architecture uses a 12-bit wide instruction word with an 8-bit data path, maximizing code density. Seven special-function hardware registers plus two file-select registers govern I/O and control. The device supports in-circuit serial programming (ICSP) via RB6/RB7, enabling firmware update after PCB assembly. The "I" industrial temperature suffix extends operation to -40C to +85C.
Typical applications include automotive body controllers, industrial sensor interfaces, appliance control boards, security system keypads, and low-end consumer electronics. The wide 2.5V-5.5V range supports both 3.3V and 5V system designs with a single BOM.
When designing with this device, ensure MCLR is tied high through a 10 kohm pull-up for normal operation; tie low only for reset. Place a 0.1 uF decoupling capacitor on VDD within 5 mm of the pin, with a bulk 1-10 uF cap on the same rail. Watchdog timer and power-on reset defaults must be configured in software at startup.
This page synthesizes current distributor pricing, drop-in PIC16C55x alternatives from Microchip's parametric family, and practical through-hole PCB layout notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16C558-04I/P — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16C558-04I/P (cùng hình factor và footprint) — khác nhau ở Timers, Package, Program Memory Size, Operating Temperature, Core Architecture.
PIC16C554-04I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C556-04I/P
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C558-04/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C558-20I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F57-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F54-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C558-04I/P Tỷ lệ tối đa & tính chất điện
| Manufacturer | Microchip Technology |
| Series | PIC 16C |
| Core Processor | PIC |
| Core Size | 8-bit |
| Program Memory Type | OTP |
| Program Memory Size | 3.5KB (2K x 14) |
| Data RAM Size | 128 B |
| Tần số xung maksimum | 4 MHz |
| Instruction Cycle Time | 200 ns |
| Number of I/O Pins | 13 |
| ADC | None |
| Timers | 1 x 8-bit (TMR0 with 8-bit prescaler) |
| Điện áp cung cấp hoạt động | 2.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, 'I' suffix) |
| Hộp / Vỏ | 18-PDIP (0.300 inch / 7.62 mm) |
| Kiểu lắp đặt | Through Hole |
| Packaging | Tube |
| Speed Grade | -04 (4 MHz) |
| Hardware Stack | 2-level |
| Instruction Set Size | 35 single-word instructions |
Cấu hình chân PIC16C558-04I/P
| Chân 1 | RA2 — Bidirectional I/O pin, PORTA bit 2 |
| Chân 2 | RA3 — Bidirectional I/O pin, PORTA bit 3 |
| Chân 3 | RA4/T0CKI — Bidirectional I/O pin / Timer0 clock input, PORTA bit 4 |
| Chân 4 | MCLR — Master Clear (reset) input, active low; tie through 10 kohm to VDD |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — Bidirectional I/O pin PORTB bit 0 / External interrupt input |
| Chân 7 | RB1 — Bidirectional I/O pin, PORTB bit 1 |
| Chân 8 | RB2 — Bidirectional I/O pin, PORTB bit 2 |
| Chân 9 | RB3 — Bidirectional I/O pin, PORTB bit 3 |
| Chân 10 | RB4 — Bidirectional I/O pin, PORTB bit 4 |
| Chân 11 | RB5 — Bidirectional I/O pin, PORTB bit 5 |
| Chân 12 | RB6 — Bidirectional I/O pin, PORTB bit 6 / ICSP clock |
| Chân 13 | RB7 — Bidirectional I/O pin, PORTB bit 7 / ICSP data |
| Chân 14 | VDD — Positive supply voltage, 2.5V to 5.5V |
| Chân 15 | OSC2/CLKOUT — Oscillator crystal output / CLKOUT (Fosc/4) in RC mode |
| Chân 16 | OSC1/CLKIN — Oscillator crystal input / External clock input in RC mode |
| Chân 17 | RA0 — Bidirectional I/O pin, PORTA bit 0 |
| Chân 18 | RA1 — Bidirectional I/O pin, PORTA bit 1 |
Ứng dụng tiêu biểu
PIC16C558-04I/P phù hợp cho 7 Áp dụngs: Industrial Sensor Interface Module, Automotive Body Control Module, Security Keypad and Access Controller, Home Appliance Control Board, Hobbyist and Educational Development Platform, Low-Cost Consumer Remote Control, Battery-Powered Wireless Sensor Node.
Industrial Sensor Interface Module
The PIC16C558-04I/P fits industrial sensor interface modules because its 4 MHz clock and 200 ns instruction cycle support real-time polling of 4-8 sensors at sub-millisecond rates, while the 3.5KB OTP program memory holds linearization tables for thermocouple or RTD signal conditioning. The 13 digital I/O pins drive LED status indicators and accept discrete limit-switch inputs without external logic. The 2.5V-5.5V supply range operates directly from a regulated 24V-to-5V industrial bus, eliminating level shifters.
Được đề xuất
Automotive Body Control Module
The PIC16C558-04I/P fits cost-sensitive automotive body control modules (window lifters, seat controllers, mirror adjusters) where its 13 I/O pins drive relay coils and read switch positions with 25 mA sink/source per pin. The 4 MHz clock delivers deterministic H-bridge PWM at 8-bit resolution sufficient for motor soft-start. Industrial temperature rating (-40C to +85C) tolerates cabin and under-hood thermal environments, though it lacks AEC-Q100 qualification so it is used only in non-safety body electronics.
Được đề xuất
Security Keypad and Access Controller
The PIC16C558-04I/P serves in security keypads and access controllers where its 8-bit PORTB drives 4x4 matrix scan with 8 I/O pins (4 row + 4 column) and PORTA provides additional relay/buzzer control. The 3.5KB program memory stores credential lookup tables for up to 50 user codes, and 128B RAM buffers debounce state. OTP memory prevents reverse-engineering of access logic. The 18-PDIP package simplifies through-hole keypad PCB assembly and field service replacement.
Được đề xuất
Home Appliance Control Board
The PIC16C558-04I/P fits washing machine, dishwasher, and microwave control boards where 13 I/O pins control valve solenoids, motor triacs, and 7-segment displays while TMR0 provides the timing base for cycle sequencing. The 3.5KB OTP memory holds appliance firmware (wash cycles, fault codes) cost-effectively for high-volume production. Industrial temperature range supports appliance thermal exposure, and 2.5V-5.5V supply operates from rectified mains-derived rails without additional regulators.
Được đề xuất
Hobbyist and Educational Development Platform
The PIC16C558-04I/P serves educational microcontroller training kits and hobbyist projects because the 18-PDIP package is breadboard-friendly and the simple 35-instruction PIC instruction set is widely documented in textbooks. The 4 MHz speed grade (vs -20 variant) is sufficient for learning fundamentals without overshoot noise. Microchip's MPLAB IDE and PICSTART Plus programmer support in-circuit serial programming, though OTP means students must commit code per device (PIC16F alternatives better for classroom reuse).
Được đề xuất
Low-Cost Consumer Remote Control
The PIC16C558-04I/P fits IR/RF remote controls for TVs, fans, and motorized blinds where 13 I/O pins scan button matrices and drive an IR LED or 433 MHz transmitter. The 4 MHz clock with TMR0 generates carrier frequencies and button-repeat timing without additional hardware. 128B RAM buffers button debouncing and protocol frames. The 18-PDIP package is suitable for hand-held remote enclosures, and the OTP memory prevents firmware cloning by competitors.
Được đề xuất
Battery-Powered Wireless Sensor Node
The PIC16C558-04I/P serves as the controller in battery-powered wireless sensor nodes where the 2.5V low-end of its supply range allows operation from a single Li-ion cell (3.0V nominal, 2.5V cutoff) without boost regulators. Sleep current under firmware control (WDT disabled) draws microamps, extending coin-cell battery life. The 4 MHz clock provides enough compute for sensor sampling and protocol framing. 13 I/O pins accept analog-multiplexed sensors via external ADC or digital sensor I/O directly.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C558-04I/P — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16C554-04I/P | PIC16C556-04I/P | PIC16C558-04/P | PIC16C558-20I/P | PIC16F57-I/P | PIC16F54-I/P |
|---|---|---|---|---|---|---|---|
| Package | 18-PDIP | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (3.5KB / 2Kx14) | OTP 768B | OTP 1KB | OTP 3.5KB | OTP 3.5KB | Flash 3.5KB | Flash 768B |
| Data RAM | 128 B | 128 B | 128 B | 128 B | 128 B | 128 B | 25 B |
| Maximum Clock Frequency | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz | 20 MHz | 20 MHz |
| Number of I/O Pins | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | 0C to +70C (Commercial) | -40C to +85C | -40C to +85C | -40C to +85C |
| Operating Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | Active | Active |
Bảo phân biệt quan trọng
- Same package but with Flash memory and active lifecycle status (vsPIC16F57-I/P)
- More program memory than other PIC16C55x family members (vsPIC16C554-04I/P)
- Industrial temperature range with same die as commercial variant (vsPIC16C558-04/P)
Ghi chú thiết kế
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 14) to suppress high-frequency switching noise, and add a bulk 1-10 uF electrolytic or tantalum capacitor on the same rail for low-frequency transient suppression. For battery-powered designs, place a 10 kohm pull-up on MCLR (pin 4) to prevent spurious resets during brownout, and consider an external voltage supervisor for VDD < 2.7V applications.
When laying out the 18-PDIP footprint, allow 0.300 inch (7.62 mm) row spacing and use 0.040 inch (1.0 mm) through-hole pads per standard DIP-18 mechanical drawings. Keep the RC oscillator components (R, C) or crystal within 5 mm of pins 15-16 (OSC1/OSC2) to minimize parasitic capacitance that could shift the oscillator off-frequency. Route the MCLR trace away from switching nodes and I/O driver traces to avoid capacitive coupling-induced resets.
The OTP memory on PIC16C558-04I/P can only be programmed once - verify firmware with PIC16F57 or PIC16F84A flash equivalents during development before committing to OTP production. The -04 speed grade limits clock to 4 MHz maximum; do not substitute a -20 grade part without confirming code timing budget. PORTB RB0 doubles as the external interrupt input - if not using INT, configure RB0 as digital output but disable the INTE bit in the OPTION/INTCON register to avoid spurious interrupts on firmware startup.
Thông tin tuân thủ
AEC-Q100 not qualified per Microchip product page. RoHS/REACH compliance status not explicitly stated in provided data; OTP microcontrollers in PDIP package typically predate RoHS directives and may require exemption analysis. Conflict Minerals compliance per Microchip corporate statement.
