PIC16LCE623-04E/P - 8-Bit 4MHz OTP MCU 896B | Microchip
料号： PIC16LCE623-04E/P ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.88 | $28.80 |
| 100 | $2.55 | $255.00 |
| 500 | $2.25 | $1,125.00 |
| 1,000 | $1.98 | $1,980.00 |
PIC16LCE623-04E/P 概述
An 8-bit microcontroller (MCU) is a small computer-on-a-chip containing a CPU, program memory, RAM, and peripherals designed for embedded control tasks. PIC microcontrollers use a Harvard RISC architecture that executes most instructions in a single cycle (200 ns at 20 MHz), simplifying deterministic real-time firmware development. The PIC16C family sits within Microchip's hierarchy of 8-bit MCU -> microcontroller -> embedded processor -> semiconductor, and the PIC16CE623 specifically targets low-voltage (LC suffix) applications requiring EPROM-style OTP programming at reduced cost.
Key features include 35 single-cycle instructions (except two-cycle branches), 4 MHz maximum clock input (200 ns instruction cycle), wide 2.5 V to 5.5 V supply range for battery-friendly operation, and 13 digital I/O pins. The external oscillator interface supports crystals, resonators, or external clock sources up to 4 MHz. OTP memory provides one-time field programmability at production-time cost below flash-based parts.
The architecture combines a RISC CPU core with dedicated peripheral registers, an 8-bit ALU, and a hardware multiplier-less instruction set optimized for byte and bit manipulation. The 512 x 14 program word size accommodates 14-bit opcodes, which is standard for mid-range PIC16 devices. Power management is handled by oscillator selection (LP/XT/HS modes) and sleep mode with wake-up on pin change or watchdog timeout.
Typical applications include low-power embedded control, battery-powered sensor interfaces, simple motor control loops, appliance front-panel controllers, and consumer electronics requiring small-form-factor 8-bit processing. The PIC16LCE623 family is well documented in legacy designs, hobbyist projects, and educational kits where 8-bit simplicity outweighs the need for larger flash and modern peripherals.
When designing with this device, note that OTP memory cannot be erased or rewritten; production programming must be error-free. For engineering samples or development cycles, consider the flash-based PIC16F630 family as a pin-compatible substitute. Industrial temperature grade (E suffix) supports -40C to +125C operation.
This page synthesizes distributor pricing, parametric comparisons, drop-in alternatives, and practical design guidance not consolidated on a single manufacturer datasheet page, supporting faster procurement and design-in decisions.
直接替换替代料： PIC16LCE623-04E/P ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LCE623-04E/P （相同外形与封装尺寸） ——差异在于 Program Memory Size, Instruction Cycle Time, Program Memory Type, RAM Size, Core.
快速对比工具——选择替代料号进行并排对比：
PIC16LCE623-04/P
✅ 直接替换✓ 有现货
$1.45 / 个
查看数据手册 →PIC16F630-I/P
✅ 直接替换✓ 有现货
$0.86 / 个
查看数据手册 →PIC16LC620A-04/P
✅ 直接替换✓ 有现货
$1.3 / 个
查看数据手册 →PIC16LC621A-04/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LC622-04/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LCE623-04E/P 最大额定值与电气特性
| Core | PIC 8-bit RISC (mid-range PIC16) |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 896 B (512 x 14 words) |
| RAM Size | 96 x 8 bytes |
| EEPROM Size | 128 x 8 bytes |
| 最大时钟频率 | 4 MHz |
| Instruction Cycle Time | 200 ns (single cycle, except branches) |
| Number of I/O Pins | 13 |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Oscillator Type | External |
| 工作温度范围 | -40 C to +125 C (industrial, E suffix) |
| 封装 / 外壳 | 18-DIP (0.300 inch, 7.62 mm) |
| 安装类型 | Through-Hole |
| Number of Instructions | 35 |
| 数据总线宽度 | 8-bit |
| Lead Free / RoHS | Compliant (per distributor listing) |
| Packaging | Tube |
PIC16LCE623-04E/P 引脚配置
| 引脚 1 | RA2 — Port A bit 2 / analog input |
| 引脚 2 | RA3 — Port A bit 3 / analog input |
| 引脚 3 | RA4 — Port A bit 4 / T0CKI |
| 引脚 4 | MCLR — Master clear / reset (active low) |
| 引脚 5 | VSS — Ground reference |
| 引脚 6 | RB0 — Port B bit 0 / INT |
| 引脚 7 | RB1 — Port B bit 1 |
| 引脚 8 | RB2 — Port B bit 2 |
| 引脚 9 | RB3 — Port B bit 3 |
| 引脚 10 | RB4 — Port B bit 4 |
| 引脚 11 | RB5 — Port B bit 5 |
| 引脚 12 | RB6 — Port B bit 6 / ICCLK |
| 引脚 13 | RB7 — Port B bit 7 / ICDAT |
| 引脚 14 | VDD — Positive supply voltage |
| 引脚 15 | OSC2 — Oscillator output |
| 引脚 16 | OSC1 — Oscillator input |
| 引脚 17 | RA0 — Port A bit 0 / analog input |
| 引脚 18 | RA1 — Port A bit 1 / analog input |
典型应用
PIC16LCE623-04E/P 适用于 6 应用s: Battery-Powered Sensor Interface, Industrial Appliance Controller, Consumer Electronics Remote Control, Simple Motor Speed Controller, Hobbyist / Educational MCU Kit, Security / Access Control Panel.
Battery-Powered Sensor Interface
The PIC16LCE623-04E/P fits low-power sensor nodes thanks to its 2.5 V-5.5 V supply range and 4 MHz operation. With 13 digital I/O, 96 B RAM, and 128 B EEPROM, it can interface multiple digital sensors, store calibration coefficients in EEPROM, and run periodic sleep/wake cycles. Placed near a 3 V lithium coin cell, its external low-power oscillator enables multi-year battery life. Unlike higher-MHz PIC16F parts, the LCE623 trades speed for lower dynamic current, ideal for duty-cycled environmental sensors.
推荐
Industrial Appliance Controller
The PIC16LCE623-04E/P is well suited to industrial appliance front-panel controllers, leveraging its -40 C to +125 C industrial temperature range and 18-PDIP through-hole package for harsh-environment mounting. With 896 B OTP memory and 13 I/O pins, it can drive LED indicators, read keypad matrices, and control relays or triacs. The PIC16C architecture's deterministic 200 ns instruction cycle ensures predictable timing for motor-control state machines. Consider the flash-based PIC16F630 family for new designs requiring firmware updates.
推荐
Consumer Electronics Remote Control
The PIC16LCE623-04E/P supports compact IR/RF remote control designs with its 2.5 V-5.5 V supply range compatible with two AAA cells, 8-bit RISC core for low-latency button scanning, and 13 I/O pins sufficient for matrix keypads and status LEDs. The OTP memory provides low unit cost for high-volume consumer products where firmware is fixed. Its external oscillator interface supports 32-768 kHz watch crystals for ultra-low standby current, enabling months of standby battery life in handheld remotes.
推荐
Simple Motor Speed Controller
The PIC16LCE623-04E/P can drive brushed DC motor speed control via PWM using its CCP module and external oscillator input for deterministic switching frequencies. With 13 I/O, multiple control signals (direction, brake, enable) and tachometer feedback are accommodated, while the 18-PDIP package handles moderate thermal dissipation through its leads. Compared with dedicated motor-driver ICs, the LCE623 offers flexible firmware-configurable control loops at the cost of higher CPU overhead. PIC16F630 is the recommended flash-based alternative for tuning iterations.
推荐
Hobbyist / Educational MCU Kit
The PIC16LCE623-04E/P is widely used in educational microcontroller labs and hobby kits, owing to its simple PIC16C RISC architecture (35 instructions), 18-PDIP breadboard-friendly through-hole package, and well-documented instruction set. With 896 B OTP and 96 B RAM, students can implement timers, counters, and I/O control routines in assembly or C without the complexity of modern 32-bit MCUs. The Microchip MPLAB IDE supports the entire PIC16C family, making this part a teaching staple since the 1990s.
推荐
Security / Access Control Panel
The PIC16LCE623-04E/P serves security panel and access control designs where OTP memory is acceptable for fixed-function firmware, 13 I/O pins are sufficient for keypad, indicator LEDs, and a magnetic-door sensor interface, and -40 C to +125 C operation supports outdoor or unconditioned environments. Its deterministic 200 ns instruction cycle ensures reliable keypad debounce and alarm-trigger response. For new security designs, the PIC16F630-I/P offers flash reprogrammability for code updates without board rework.
推荐
推荐产品汇总
工程参考数据： PIC16LCE623-04E/P ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LCE623-04/P | PIC16F630-I/P | PIC16LC620A-04/P | PIC16LC621A-04/P | PIC16LC622-04/P |
|---|---|---|---|---|---|---|
| Package | 18-PDIP (0.300 inch) | 18-PDIP (0.300 inch) - same | 18-PDIP (0.300 inch) - same | 18-PDIP (0.300 inch) - same | 18-PDIP (0.300 inch) - same | 18-PDIP (0.300 inch) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (512 x 14) | OTP (512 x 14) - same | Flash (1K x 14) | OTP | OTP | OTP |
| Maximum Clock Frequency | 4 MHz | 4 MHz | 20 MHz | 4 MHz | 4 MHz | 4 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.0 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (E suffix) | 0 C to +70 C (commercial) | -40 C to +85 C (I suffix) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) |
| Unit Price (qty 1) | $3.20 | $3.05 (est.) | $1.95 (est.) | $3.10 (est.) | $3.10 (est.) | $3.10 (est.) |
关键差异点
- Flash reprogrammability at half the unit cost （对比 PIC16F630-I/P)
- Industrial -40 C to +125 C temperature range （对比 PIC16LCE623-04/P)
- Pin-compatible with the entire PIC16LC62x family （对比 PIC16LC622-04/P)
设计说明
Estimated: At VDD=3.3 V and 4 MHz oscillator, the PIC16LCE623-04E/P draws approximately 2-5 mA active (datasheet-typical). For battery operation, use sleep mode between sensor reads with wake-on-WDT or external interrupt; idle current drops to microampere levels. Place a 100 nF decoupling capacitor within 5 mm of the VDD pin and a 10 uF bulk capacitor at the supply rail to suppress switching transients.
Keep the oscillator traces (OSC1, OSC2) as short as possible and route them away from noisy digital lines; use a guard ground around the crystal to reduce EMI coupling. Place MCLR pull-up resistor (typically 10 kOhm) close to the MCLR pin to ensure clean reset. For ICSP, route RB6/ICCLK and RB7/ICDAT to a 5-pin header with VPP, VDD, GND; this enables in-circuit OTP programming without removing the device from the board.
OTP memory cannot be erased - any code error after programming is permanent. For development cycles, use the flash-based PIC16F630-I/P as a functional substitute; the production programmer must verify code checksum before committing to OTP. Note that the LCE623's analog comparator pins (RA0-RA3) double as digital I/O - configure ANSEL register bits correctly to avoid analog mode lockup. Watchdog timer must be cleared before timeout or the part resets.
The 18-PDIP package allows standard 0.1 inch (2.54 mm) pitch through-hole footprints compatible with breadboards, perfboards, and standard IC sockets. For hand-prototyping, use a machined-pin DIP socket to allow chip removal. Keep analog input traces (RA0-RA4) short and away from switching nodes to minimize ADC comparator noise. Where possible, dedicate one ground plane for the MCU with star-ground topology to noisy peripherals.
合规信息
RoHS and lead-free compliance confirmed per distributor listings. AEC-Q100 not applicable (industrial-grade MCU, not automotive-qualified).
