PIC16CE623-04E/P - 4MHz 8-Bit OTP MCU, 896B, 128B EEPROM | Microchip
MPN: PIC16CE623-04E/P ✓ Hoạt độngPIC16CE623-04E/P Tóm tắt
An 8-bit microcontroller (MCU) is a self-contained single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data memory (RAM), non-volatile data memory (EEPROM), and configurable digital I/O peripherals on a single die. In the broader semiconductor taxonomy, the PIC16CE623 belongs to the microcontroller (MCU) family, which itself is a sub-class of microcomputer -> embedded processor -> integrated circuit. The PIC architecture follows a Harvard RISC model with separated program and data buses, enabling simultaneous instruction fetch and operand access.
Key features include 13 bidirectional digital I/O pins, an integrated EEPROM data area for non-volatile parameter storage (calibration, serial numbers, configuration), a hardware timer/counter subsystem, and the standard PIC mid-range peripheral set (interrupt controller, watchdog timer, sleep mode for power savings). The '04' speed suffix specifies 4MHz maximum clock input, and the 'E' industrial/automotive temperature grade extends operation across -40C to +125C, qualifying the part for harsh-environment and automotive under-hood deployments.
Architecturally, the PIC16CE623 implements a 14-bit instruction word for compact code density and uses 35 single-word instructions plus 200 ns single-cycle execution (except branches, which are 2-cycle). Its CMOS process delivers low quiescent current suitable for battery-backed and sleep-mode applications. The integrated 128-byte EEPROM is byte-erasable and rated for >1M erase/write cycles, providing on-chip non-volatile storage that would otherwise require an external serial EEPROM.
Typical applications include automotive body and chassis controllers, appliance control boards, industrial sensor signal conditioning front-ends, low-cost remote-control transmitters, simple closed-loop regulators, and consumer white goods. The 18-pin PDIP package is preferred for hobby, prototyping, educational, and legacy industrial designs because it is socketable, hand-solderable, and breadboard-friendly. The '04E/P' suffix designates 4MHz max clock, automotive temperature grade, and PDIP through-hole package.
When designing with this part, note that OTP memory cannot be re-programmed - firmware must be fully validated before committing. Designers migrating to a flash-based variant (e.g., PIC16F627A) gain re-programmability while retaining pin compatibility. The 18-pin PDIP footprint matches other PIC16C6x/62x/84/84A devices, easing PCB layout reuse. Decoupling: place a 100 nF ceramic capacitor as close as possible to the VDD pin and a 10 uF bulk capacitor near the IC supply trace.
This page synthesizes distributor pricing, drop-in same-package alternatives, an 18-pin PDIP pinout reference, and practical design notes for the PIC16CE623-04E/P - content not consolidated on the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC16CE623-04E/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 PIC16CE623-04E/P (cùng hình factor và footprint) — khác nhau ở I/O Pins, Package, Core Architecture, Instruction Cycle Time, Program Memory.
PIC16F628A-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F627A-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F84A-I/P
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16CE624-04E/P
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16CE625-04E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16CE623-04E/P Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Instruction Word Width | 14 bits |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 896 bytes (512 x 14 words) |
| Data RAM | 96 bytes |
| EEPROM Data Memory | 128 bytes |
| Tần số xung maksimum | 4 MHz |
| Instruction Cycle Time | 200 ns (single-cycle) |
| Supply Voltage (VDD) | 3.0 V to 5.5 V |
| I/O Pins | 13 bidirectional |
| Number of Instructions | 35 single-word |
| Temperature Grade (E suffix) | -40C to +125C (Automotive/Industrial) |
| Hộp | 18-pin PDIP (Plastic DIP, through-hole) |
| Terminal Form | Through-Hole |
| Package Dimensions | 0.300 inch row spacing (PDIP-18) |
| Lifecycle Stage | ACTIVE |
| Watchdog Timer | Yes (integrated) |
Cấu hình chân PIC16CE623-04E/P
| Chân 1 | RA2 — Port A bit 2 (bidirectional digital I/O) |
| Chân 2 | RA3 — Port A bit 3 (bidirectional digital I/O) |
| Chân 3 | RA4/T0CKI — Port A bit 4 / Timer 0 clock input |
| Chân 4 | MCLR — Master Clear (reset, active low) |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — Port B bit 0 / External interrupt input |
| Chân 7 | RB1 — Port B bit 1 (bidirectional digital I/O) |
| Chân 8 | RB2 — Port B bit 2 (bidirectional digital I/O) |
| Chân 9 | RB3 — Port B bit 3 (bidirectional digital I/O) |
| Chân 10 | RB4 — Port B bit 4 (bidirectional digital I/O, interrupt-on-change) |
| Chân 11 | RB5 — Port B bit 5 (bidirectional digital I/O, interrupt-on-change) |
| Chân 12 | RB6 — Port B bit 6 (bidirectional digital I/O, interrupt-on-change) |
| Chân 13 | RB7 — Port B bit 7 (bidirectional digital I/O, interrupt-on-change) |
| Chân 14 | VDD — Positive supply voltage (3.0V to 5.5V) |
| Chân 15 | OSC2/CLKOUT — Oscillator output / Clock output |
| Chân 16 | OSC1/CLKIN — Oscillator input / External clock input |
| Chân 17 | RA0 — Port A bit 0 (bidirectional digital I/O) |
| Chân 18 | RA1 — Port A bit 1 (bidirectional digital I/O) |
Ứng dụng tiêu biểu
PIC16CE623-04E/P phù hợp cho 6 Áp dụngs: Automotive Body Control Modules, Appliance Control Boards, Industrial Sensor Signal Conditioning, Remote Control and RF Transmitter Encoders, Battery-Backed Sleep-Mode Devices, Educational and Hobbyist Microcontroller Projects.
Automotive Body Control Modules
The PIC16CE623-04E/P suits automotive body and chassis control modules where deterministic real-time response and code security are paramount. Its OTP memory cannot be read back, protecting proprietary body-control algorithms (lighting sequencing, wiper logic, accessory multiplexing) from reverse engineering - an advantage flash MCUs cannot match. The 'E' temperature grade supports -40C to +125C operation under the hood and in cabin thermal extremes. With 13 I/O pins and 4 MHz instruction cycle, it handles multiple switch-input scanning and relay-driver PWM outputs at automotive-grade timing margins.
Được đề xuất
Appliance Control Boards
White goods and small appliances (washing machines, dishwashers, microwave ovens, rice cookers) benefit from the PIC16CE623-04E/P's OTP security, low cost, and 128-byte on-chip EEPROM for user-preference storage. The 896-byte OTP accommodates full state-machine firmware for cycle selection, sensor reading, and actuator control without external memory. The 18-pin PDIP is socketable for factory programming and field serviceability - a major advantage over SMD alternatives in cost-sensitive consumer appliances.
Được đề xuất
Industrial Sensor Signal Conditioning
For industrial 4-20 mA loop-powered sensor transmitters and isolated signal-conditioning front-ends, the PIC16CE623-04E/P provides EEPROM-stored calibration coefficients that survive power cycles and field-recalibration events. The PIC 14-bit instruction word and 35-instruction RISC core enable precise digital filtering (moving average, exponential smoothing) within the 4 MHz instruction budget. Its 3-5.5V supply range is well-matched to industrial 5V regulated rails, and the 18-pin PDIP withstands conformal coating and through-hole assembly for harsh industrial environments.
Được đề xuất
Remote Control and RF Transmitter Encoders
Low-cost RF remote-control transmitters for garage doors, gate openers, and key-fob entry systems use the PIC16CE623-04E/P to encode fixed transmission IDs and rolling-code algorithms. OTP prevents cloning attacks because the programmed firmware cannot be extracted by an attacker. The 128-byte EEPROM stores unique device serial numbers and rolling-code counters. With 4 MHz operation, the device generates precise 38 kHz carrier modulation for IR protocols and OOK/ASK RF transmissions at sub-millisecond timing accuracy.
Được đề xuất
Battery-Backed Sleep-Mode Devices
The PIC16CE623-04E/P's CMOS process and integrated sleep mode deliver nanoampere-level standby current, making it ideal for battery-backed devices like smoke detectors, security sensors, and IoT edge nodes that spend 99% of their lifetime asleep. The 128-byte EEPROM preserves user configuration and event counters across battery-replacement cycles. Wake-up via watchdog timer or external interrupt allows periodic sensor polling at multi-second intervals while preserving coin-cell battery life for years.
Được đề xuất
Educational and Hobbyist Microcontroller Projects
The PIC16CE623-04E/P's 18-pin PDIP form factor is breadboard-friendly and socketable, making it a popular choice for university embedded-systems courses, maker projects, and electronics hobbyists learning microcontroller programming. The simple 35-instruction PIC mid-range instruction set is ideal for teaching RISC fundamentals, and OTP prevents accidental firmware loss. With 13 I/O pins, students can interface LEDs, pushbuttons, 7-segment displays, and basic sensors without complex pin-multiplexing schemes.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16CE623-04E/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 | PIC16F628A-I/P | PIC16F627A-I/P | PIC16F84A-I/P | PIC16CE624-04E/P | PIC16CE625-04E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-18 | PDIP-18 (same) | PDIP-18 (same) | PDIP-18 (same) | PDIP-18 (same) | PDIP-18 (same) |
| Program Memory | 896 B OTP | 2048 B Flash (+129%) | 1024 B Flash (+14%) | 1024 B Flash (+14%) | 2048 B OTP (+129%) | 4096 B OTP (+358%) |
| Program Memory Type | OTP | Flash (re-programmable) | Flash (re-programmable) | Flash (re-programmable) | OTP (same) | OTP (same) |
| Max Clock Frequency | 4 MHz | 20 MHz (+400%) | 20 MHz (+400%) | 20 MHz (+400%) | 4 MHz (same) | 4 MHz (same) |
| Data RAM | 96 B | 224 B (+133%) | 128 B (+33%) | 68 B (-29%) | 96 B (same) | 96 B (same) |
| EEPROM | 128 B | 128 B (same) | 128 B (same) | 64 B (-50%) | 128 B (same) | 128 B (same) |
| I/O Pins | 13 | 16 (+23%) | 16 (+23%) | 13 (same) | 13 (same) | 13 (same) |
| Temperature Grade | -40C to +125C (Automotive E) | -40C to +85C (Industrial I) | -40C to +85C (Industrial I) | -40C to +85C (Industrial I) | -40C to +125C (Automotive E, same) | -40C to +125C (Automotive E, same) |
Bảo phân biệt quan trọng
- OTP memory provides firmware security that flash cannot match (vsPIC16F628A-I/P)
- Same-package compatibility with full PIC16CE62x family for memory upgrade path (vsPIC16CE624-04E/P)
- Extended -40C to +125C automotive temperature range (vsPIC16F628A-I/P)
Ghi chú thiết kế
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 14) and a 10 uF bulk tantalum or aluminum capacitor on the same supply trace. For battery-powered designs, add a 100 kohm pull-up on MCLR (pin 4) to prevent spurious resets during VDD ramp-up; the MCLR pin is internally Schmitt-triggered but benefits from the external pull-up for noisy environments.
Keep the oscillator traces (OSC1 pin 16, OSC2 pin 15) short and routed over a continuous ground plane to minimize EMI radiation and clock jitter. For crystal operation, place the two load capacitors (typically 15-33 pF for 4 MHz) within 5 mm of the oscillator pins and use symmetrical trace lengths. Avoid routing high-speed switching signals adjacent to the oscillator traces.
OTP memory cannot be re-programmed - thoroughly validate firmware on a flash equivalent (PIC16F628A-I/P in same PDIP-18 package) before committing code to PIC16CE623-04E/P production parts. The 'E' temperature grade spans -40C to +125C; if your application requires only commercial 0-70C range, the lower-cost 'I' industrial variants are sufficient. Configuration bits must be set before programming; an unprogrammed configuration word may enable features like code protection unexpectedly.
Thông tin tuân thủ
RoHS/REACH/lead-free status not explicitly stated in the verified web data; marked unknown pending Microchip compliance documentation review. The 'E' temperature grade is automotive-grade but specific AEC-Q100 qualification documents should be requested from Microchip for safety-critical automotive ECUs. Conflict minerals compliance per Microchip policy.
