PIC16CE623T-20E/SO - 8-Bit 20MHz OTP MCU 896B | Microchip
料号： PIC16CE623T-20E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.5 | $3.50 |
| 10 | $3.15 | $31.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.5 | $1,250.00 |
| 1,000 | $2.2 | $2,200.00 |
PIC16CE623T-20E/SO 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable I/O peripherals. PIC16C-family MCUs are based on Microchip's 8-bit modified Harvard RISC architecture with a 14-bit instruction word; the PIC16CE62X sub-family adds an internal EEPROM data block for non-volatile storage of user parameters. They sit at the low end of the MCU hierarchy, below 16-bit and 32-bit Cortex-M devices, but offer very small footprint, deterministic single-cycle instruction execution, and proven long-term support.
Key features of the PIC16CE623T-20E/SO include 13 digital I/O pins, 35 single-word instructions, an instruction cycle of 200 ns at 20 MHz, a wide 3 V to 5.5 V supply range, an internal watchdog timer, an analog comparator, and a capture/compare/PWM (CCP) module. The 35-instruction RISC core and Harvard bus deliver deterministic interrupt latency and code density that benefits small embedded firmware.
Architecturally, the PIC16CE62X uses a two-stage pipeline and a separate 14-bit program bus and 8-bit data bus, eliminating fetch-decode bottlenecks. The integrated 128-byte EEPROM block is byte-erasable and rated for high endurance, providing non-volatile parameter storage without external NVRAM. Brown-out reset (BOR), power-on reset (POR), and the watchdog timer (WDT) collectively make this part tolerant of industrial-grade noise and power transients.
Typical applications include low-cost sensor interfaces, small appliance controls, automotive body modules (non-safety), HVAC damper/valve controllers, and battery-powered metering nodes where 8-bit PIC code reuse, OTP security, and an integrated EEPROM make sense. Designers migrating firmware from other PIC16C62X members can drop this part onto the same PCB footprint and recompile against the shared header file.
When designing with this MCU, reserve two I/O pins for the In-Circuit Serial Programming (ICSP) interface (RB6/RB7) so firmware can be loaded after PCB assembly. The OTP memory means each unit must be programmed once at production - volume programming should plan for the full programming cycle including EEPROM write time.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet.
直接替换替代料： PIC16CE623T-20E/SO ——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： PIC16CE623T-20E/SO （相同外形与封装尺寸） ——差异在于 Package, Program Memory Size, Instruction Cycle Time, Core Architecture, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
PIC16CE623T-04E/SO
✅ 直接替换✓ 有现货
$2.55 / 个
查看数据手册 →PIC16CE623-20/SO
✅ 直接替换✓ 有现货
$0.87 / 个
查看数据手册 →PIC16CE623-20I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16CE623T-04/SO
✅ 直接替换✓ 有现货
$1.85 / 个
查看数据手册 →PIC16CE623T-20E/SS
✅ 直接替换✓ 有现货
$2.55 / 个
查看数据手册 →PIC16CE623-20/SS
✅ 直接替换✓ 有现货
$1.06 / 个
查看数据手册 →PIC16CE623T-20E/SO 最大额定值与电气特性
| Core | PIC 8-bit |
| Series | PIC 16C |
| Core Architecture | 8-bit modified Harvard RISC |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 896 B (512 x 14) |
| RAM Size | 96 B |
| EEPROM Size | 128 B |
| Maximum Clock Input | 20 MHz |
| Instruction Cycle Time | 200 ns (at 20 MHz) |
| Instruction Set Size | 35 single-word instructions |
| Supply Voltage (Vdd) | 3 V to 5.5 V |
| I/O Pins | 13 |
| 工作温度范围 | -40 C to +125 C (Extended, "E") |
| 封装 | 18-pin SOIC (SO) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel ("T") |
PIC16CE623T-20E/SO 引脚配置
| 引脚 1 | RA2 — Bidirectional I/O port A bit 2 |
| 引脚 2 | RA3 — Bidirectional I/O port A bit 3 |
| 引脚 3 | RA4 — Bidirectional I/O port A bit 4 (open-drain) |
| 引脚 4 | MCLR — Master Clear (reset) input, active low |
| 引脚 5 | VSS — Ground reference |
| 引脚 6 | RB0 — Bidirectional I/O port B bit 0 |
| 引脚 7 | RB1 — Bidirectional I/O port B bit 1 |
| 引脚 8 | RB2 — Bidirectional I/O port B bit 2 |
| 引脚 9 | RB3 — Bidirectional I/O port B bit 3 |
| 引脚 10 | RB4 — Bidirectional I/O port B bit 4 |
| 引脚 11 | RB5 — Bidirectional I/O port B bit 5 |
| 引脚 12 | RB6 — Bidirectional I/O port B bit 6 / ICSP clock |
| 引脚 13 | RB7 — Bidirectional I/O port B bit 7 / ICSP data |
| 引脚 14 | VDD — Positive supply voltage |
| 引脚 15 | RC6 — Bidirectional I/O port C bit 6 |
| 引脚 16 | RC7 — Bidirectional I/O port C bit 7 |
| 引脚 17 | RA0 — Bidirectional I/O port A bit 0 |
| 引脚 18 | RA1 — Bidirectional I/O port A bit 1 |
典型应用
PIC16CE623T-20E/SO 适用于 7 应用s: Small Appliance Control Board, Sensor Interface and Transmitter Module, Battery-Powered Metering Node, Automotive Body and Comfort Module (Non-Safety), HVAC Damper and Valve Controller, Industrial Control Panel I/O Board, Consumer Toy and Hobby Electronics.
Small Appliance Control Board
The PIC16CE623T-20E/SO is well-suited for small appliance controls such as coffee makers, blenders, and countertop ovens. Its 35-instruction RISC core executes deterministic 200 ns instructions at 20 MHz, giving responsive button-debounce and PWM control for heating elements or motors. The integrated 128-byte EEPROM stores user preferences and calibration constants across power cycles without external NVRAM. With 13 digital I/O, the MCU directly drives LEDs, keypads, triac gates, and zero-cross detectors. The 3.0 V to 5.5 V supply range simplifies designs powered from rectified mains via a small dropper regulator, and the Extended -40C to +125C temperature grade tolerates under-hood appliance heat. Brown-out reset and watchdog timer further improve field reliability in noisy motor environments.
推荐
Sensor Interface and Transmitter Module
For 4-20 mA loop-powered sensor transmitters and small analog front-end modules, the PIC16CE623T-20E/SO delivers enough compute horsepower for linearization, scaling, and HART-like protocol handling on its 8-bit core. The on-chip analog comparator allows direct interface to bridge sensors without an external op-amp, while 13 I/O lines drive the ADC, EEPROM, and serial interface. The 128-byte EEPROM retains calibration coefficients and sensor IDs even when the loop power is removed. With 20 MHz operation, the MCU completes a measurement cycle, runs compensation math, and updates the output within microseconds - well within loop-update timing budgets. The wide 3.0 V to 5.5 V supply tolerates loop-side regulation variation, and the small 18-pin SOIC footprint supports compact field-mount enclosures.
推荐
Battery-Powered Metering Node
Battery-powered metering nodes such as water, gas, or pulse-count utility meters benefit from the PIC16CE623T-20E/SO's fully static core, which allows clock throttling down to DC for sleep-mode operation. Combined with the watchdog timer and brown-out reset, the MCU delivers years of service on a single lithium cell while maintaining accurate pulse counting and tamper detection. The 128-byte EEPROM preserves cumulative register and event logs across battery replacement, eliminating external NVRAM. The 13 I/O pins accommodate pulse inputs, LCD segment control via external drivers, and a low-energy RF or wired M-Bus interface. The Extended -40C to +125C temperature grade supports outdoor and basement deployments, while the small 18-pin SOIC package enables slim meter-form-factor PCBs.
推荐
Automotive Body and Comfort Module (Non-Safety)
Within non-safety automotive body controllers such as mirror adjusters, ambient lighting drivers, seat-position memory modules, and auxiliary HVAC damper actuators, the PIC16CE623T-20E/SO provides a cost-effective compute platform with extended-temperature tolerance up to +125 C. Its 20 MHz core handles CAN-compatible bit timing via the CCP module and a software UART, supporting slow-speed body networks. The internal 128-byte EEPROM stores user-preset positions for seats and mirrors that must survive battery disconnect during service. Brown-out reset and watchdog timer are essential for surviving automotive cranking transients. The 18-pin SOIC supports compact body-module PCBs where space is constrained, and the OTP program memory reduces per-unit cost in high-volume automotive production.
推荐
HVAC Damper and Valve Controller
Building HVAC damper actuators, zone valves, and small VAV controllers rely on the PIC16CE623T-20E/SO for proportional control loops, position feedback, and Modbus-style wired communications. The integrated analog comparator reads thermistor or potentiometer feedback directly, while the CCP module generates PWM outputs for actuator motors. With 20 MHz instruction throughput, the MCU maintains tight control-loop sample rates even while servicing communication interrupts. The 128-byte EEPROM preserves commissioning parameters and set-points through power outages. The Extended -40C to +125 C temperature rating covers rooftop and plant-room environments. The 18-pin SOIC package fits inside small actuator housings where PCB area is at a premium.
推荐
Industrial Control Panel I/O Board
Distributed I/O boards and small PLC expansion modules commonly deploy the PIC16CE623T-20E/SO as a peripheral MCU handling digital input debounce, relay/SSR drive, and simple protocol bridging. The 13 I/O pins comfortably service 8 inputs and 8 outputs via charlieplexing or a small I/O expander, while the 35-instruction RISC core executes deterministic logic. The 128-byte EEPROM stores node address and configuration. Industrial -40C to +125 C temperature operation tolerates panel-internal heat rise, and brown-out reset plus watchdog timer satisfy IEC 61131-3 style reliability expectations for distributed control. The wide 3.0 V to 5.5 V supply accepts 24 V industrial rails via small local regulators.
推荐
Consumer Toy and Hobby Electronics
Consumer toys, RC accessories, and hobby electronics benefit from the PIC16CE623T-20E/SO's low cost, tiny SOIC footprint, and integrated peripherals. The 35-instruction RISC core is straightforward for beginners and hobbyists, while the 20 MHz throughput supports servo control, sound playback, and LED animation. The 128-byte EEPROM retains user preferences and game state, and the analog comparator reads simple sensor inputs without external components. The OTP memory keeps firmware secure from casual reverse-engineering. The wide 3.0 V to 5.5 V supply range supports 2x AA, single-cell Li-ion, or USB-powered designs. The Extended temperature grade handles everything from refrigerated environments to sun-heated dashboards.
推荐
推荐产品汇总
工程参考数据： PIC16CE623T-20E/SO ——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 | PIC16CE623T-04E/SO | PIC16CE623-20/SO | PIC16CE623-20I/SO | PIC16CE623T-04/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-pin SOIC | 18-pin SOIC | 18-pin SOIC | 18-pin SOIC | 18-pin SOIC |
| Max Clock Input | 20 MHz | 4 MHz | 20 MHz | 20 MHz | 4 MHz |
| Program Memory | 896 B OTP | 896 B OTP | 896 B OTP | 896 B OTP | 896 B OTP |
| RAM | 96 B | 96 B | 96 B | 96 B | 96 B |
| EEPROM | 128 B | 128 B | 128 B | 128 B | 128 B |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | 0 C to +70 C (Commercial) |
| I/O Pins | 13 | 13 | 13 | 13 | 13 |
关键差异点
- True 20 MHz instruction throughput （对比 PIC16CE623T-04E/SO)
- Extended -40 C to +125 C temperature grade （对比 PIC16CE623T-04/SO)
- Integrated 128-byte on-chip EEPROM （对比 PIC16F716-I/SO)
- 18-pin SOIC small-footprint OTP variant （对比 PIC16CE623T-20E/SS)
设计说明
Always reserve pins RB6 and RB7 for In-Circuit Serial Programming (ICSP) - they are the dedicated ICSP clock and data lines for the PIC16C family. Do not load these pins heavily with low-impedance circuits; a series resistor or buffer may be required if the application circuit interferes with programming. Place a 100 nF decoupling capacitor as close as possible to the Vd pin (pin 14) and a bulk capacitor (1-10 uF) nearby. Keep the MCLR pull-up (typically 10 kOhm) short and direct to avoid spurious resets.
Because PIC16CE623T-20E/SO uses One-Time Programmable (OTP) memory, any programming error permanently bricks the device at the unit level. Always verify firmware on a windowed (JW) or Flash equivalent first, then move to OTP for production. Plan programming time: each unit may require several seconds for the 512-word OTP plus the 128-byte EEPROM initialization. Bulk programming fixtures should include continuity and checksum verification between batches.
Estimated: at 20 MHz with Vdd = 5.0 V and all 13 I/O pins toggling at full CMOS drive, the PIC16CE623T-20E/SO dissipates approximately 50-80 mW in the 18-pin SOIC. With a typical SOIC theta_JA near 100 C/W, junction temperature rise is roughly 5-8 C above ambient - well within the +125 C Extended limit. For enclosed industrial enclosures with elevated ambient, derate by 1-2 mW per toggling I/O. Brown-out reset is essential where supply regulation is marginal.
Route the oscillator traces (OSC1/OSC2 or external clock) short and over a continuous ground plane to minimize EMI. If using an external crystal, place load capacitors within 2-3 mm of the OSC pins. Avoid running PWM or relay-drive traces parallel to the oscillator to prevent coupling. Keep analog comparator inputs away from switching nodes; if the comparator drives an interrupt, filter the input to avoid spurious wake-ups in noisy industrial environments.
合规信息
RoHS and REACH status not explicitly stated in retrieved data; manufacturer product page should be checked for the most recent compliance statement. Lead-free finish is standard for SOIC-packaged PIC16C OTP parts. Not AEC-Q100 qualified - this is a standard-grade part; automotive designs require separate qualification.