PIC16C76T-10I/SO - 8-Bit 10MHz OTP MCU, 14KB, 28-SOIC | Microchip
料号： PIC16C76T-10I/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.92 | $89.20 |
| 100 | $7.95 | $795.00 |
| 500 | $7.1 | $3,550.00 |
| 1,000 | $6.4 | $6,400.00 |
PIC16C76T-10I/SO 概述
What is an OTP microcontroller? An OTP (One-Time-Programmable) microcontroller uses EPROM-based program memory that can be written exactly once using a programming device; it cannot be erased or rewritten in-circuit. OTP sits in the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC16C mid-range family -> CMOS RISC core. OTP MCUs are favored for cost-sensitive volume production where code stability is final, in contrast to flash-based MCUs (PIC16F) which support in-circuit reprogramming.
Key features of the PIC16C76T-10I/SO include 35 single-word instructions (most single-cycle, branches 2-cycle), a programmable code protection bit, power-saving SLEEP mode, a 4-channel capture/compare/PWM module, a synchronous/asynchronous serial port (SSP/2) for SPI/I2C, an 8-bit parallel slave port, and dual analog comparators. These peripherals are tightly integrated to support motor control, sensor interfacing, and simple communication bridges without external glue logic.
The PIC16C76T-10I/SO uses Microchip's classic mid-range PIC16 architecture, which pairs a Harvard bus with 14-bit instruction words and 8-bit data, accessed through orthogonal register maps. The architecture's deterministic instruction timing (200 ns at 10 MHz) makes it well-suited to hard real-time control loops where predictable interrupt latency matters. Internal oscillator options, selectable oscillator sources, and a wide voltage range add flexibility for varied analog and digital subsystem designs.
Typical applications include industrial control, instrumentation, sensor signal conditioning, motor drive signal generation (using the CCP/PWM module), and embedded communication bridges. The integrated 8-bit A/D converter removes the need for an external ADC in many low-resolution measurement applications. For new designs, Microchip recommends the flash-based PIC16F76 as a modern drop-in alternative.
When designing with this part, verify programmer compatibility: OTP devices require an EPROM-style programmer (e.g., PICSTART Plus, MPLAB PM3) capable of programming the 14 KB OTP array and applying the proper Vpp programming voltage.
This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip's pin compatibility charts, and practical design notes beyond the manufacturer datasheet.
直接替换替代料： PIC16C76T-10I/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： PIC16C76T-10I/SO （相同外形与封装尺寸） ——差异在于 Package, Program Memory Type, Serial Interfaces, Program Memory Size, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
PIC16C76-10I/SO
✅ 直接替换✓ 有现货
$5.3 / 个
查看数据手册 →PIC16C76T-04I/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.45 / 个
查看数据手册 →PIC16C76T-04E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.95 / 个
查看数据手册 →PIC16C76T-04/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.31 / 个
查看数据手册 →PIC16F76-I/SO
✅ 直接替换✓ 有现货
$2.1 / 个
查看数据手册 →PIC16C76T-10I/SO 最大额定值与电气特性
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC16C mid-range (PIC16C7X) |
| CPU Core | PIC16 RISC |
| Program Memory Type | OTP (One-Time-Programmable EPROM) |
| Program Memory Size | 14 KB (8K x 14) |
| Data RAM | 368 bytes |
| Data EEPROM | Not present (OTP device) |
| Maximum Clock Speed | 10 MHz |
| Instruction Execution Time | 200 ns at 10 MHz |
| Supply Voltage (Vdd) | 4.0 V to 5.5 V |
| I/O Pins | 22 |
| A/D Converter | 8-bit, 5 channels |
| Capture/Compare/PWM (CCP) | 1 module |
| Serial Interfaces | SSP (SPI / I2C), USART |
| Analog Comparators | 2 |
| Timers | Timer0, Timer1, Timer2 |
| 封装 | 28-pin SOIC wide-body (SO) |
| 工作温度 | -40 C to +85 C (Industrial) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Packaging | Tape & Reel (T suffix) |
PIC16C76T-10I/SO 引脚配置
| 引脚 1 | MCLR/Vpp — Master Clear (Reset) input / Programming voltage input |
| 引脚 2 | RA0/AN0 — Port A bit 0 / Analog input channel 0 |
| 引脚 3 | RA1/AN1 — Port A bit 1 / Analog input channel 1 |
| 引脚 4 | RA2/AN2 — Port A bit 2 / Analog input channel 2 |
| 引脚 5 | RA3/AN3/Vref — Port A bit 3 / Analog input 3 / ADC reference |
| 引脚 6 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| 引脚 7 | RA5/AN4/SS — Port A bit 5 / Analog input 4 / SPI slave select |
| 引脚 8 | OSC1/CLKIN — Oscillator input / external clock input |
| 引脚 9 | OSC2/CLKOUT — Oscillator output / clock output |
| 引脚 10 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer1 oscillator output / Timer1 clock |
| 引脚 11 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer1 oscillator input / CCP2 |
| 引脚 12 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| 引脚 13 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| 引脚 14 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| 引脚 15 | RC5/SDO — Port C bit 5 / SPI data out |
| 引脚 16 | RC6/TX/CK — Port C bit 6 / USART transmit / clock |
| 引脚 17 | RC7/RX/DT — Port C bit 7 / USART receive / data |
| 引脚 18 | GND — Ground reference |
| 引脚 19 | VDD — Positive supply (4.0 V to 5.5 V) |
| 引脚 20 | RB0/INT — Port B bit 0 / External interrupt |
| 引脚 21 | RB1 — Port B bit 1 |
| 引脚 22 | RB2 — Port B bit 2 |
| 引脚 23 | RB3 — Port B bit 3 |
| 引脚 24 | RB4 — Port B bit 4 |
| 引脚 25 | RB5 — Port B bit 5 |
| 引脚 26 | RB6/PGC — Port B bit 6 / ICSP clock |
| 引脚 27 | RB7/PGD — Port B bit 7 / ICSP data |
| 引脚 28 | VSS — Ground (alternate) |
典型应用
PIC16C76T-10I/SO 适用于 6 应用s: Industrial Process Control, Motor Drive PWM Control, Sensor Signal Conditioning Hubs, Embedded Communication Bridges, Consumer Appliance Control Boards, Instrumentation Front Panels.
Industrial Process Control
The PIC16C76T-10I/SO suits industrial process controllers where stable, locked firmware is desired. Its 14 KB OTP program memory, 22 I/O lines, and integrated 5-channel 8-bit ADC let the MCU read sensors and drive actuators directly. The 200 ns deterministic instruction timing at 10 MHz supports tight control loops, and the industrial -40 C to +85 C rating handles factory-floor environments. Compared with flash parts, OTP memory prevents accidental code drift in fielded equipment.
推荐
Motor Drive PWM Control
The PIC16C76T-10I/SO's integrated CCP/PWM module, plus Timer2 as time base, generates the PWM waveforms needed for DC motor speed control, valve actuation, and small brushless drives. The 10 MHz clock offers fine PWM granularity, while the 22 I/O lines handle direction logic, brake signals, and Hall-sensor inputs. Industrial temperature grade and 5 V operation make it rugged for enclosed motor enclosures and pump controllers.
推荐
Sensor Signal Conditioning Hubs
With its integrated 8-bit 5-channel ADC, dual analog comparators, and 22 digital I/O, the PIC16C76T-10I/SO acts as a sensor-conditioning hub, digitizing analog inputs and outputting conditioned logic-level signals. The PIC16C7X core's deterministic 200 ns instruction time makes it well suited to repetitive sampling loops. Industrial temperature rating supports outdoor sensor enclosures and HVAC monitoring.
推荐
Embedded Communication Bridges
The PIC16C76T-10I/SO integrates SSP for SPI/I2C plus a USART, allowing it to bridge incompatible industrial buses or act as a sensor-to-host protocol translator. The 22 I/O lines handle flow-control signals, while 368 bytes RAM buffer short protocol packets. OTP memory locks the bridge protocol, ensuring deterministic behavior in ruggedized field installations.
推荐
Consumer Appliance Control Boards
High-volume consumer appliances often lock firmware once finalized to control BOM cost, where the PIC16C76T-10I/SO excels. The MCU drives keypads, displays, and relays directly with its 22 I/O pins, runs state-machine firmware in 14 KB OTP, and uses the integrated ADC for temperature or level sensing. The wide-body 28-SOIC supports standard SMT lines, and the OTP memory prevents end-user firmware tampering.
推荐
Instrumentation Front Panels
Bench and field instruments use the PIC16C76T-10I/SO to drive LCDs, keypads, and rotary encoders, while the 8-bit ADC digitizes analog front-end signals. The 22 I/O pins accommodate matrix keypads and indicator LEDs without external I/O expanders, and OTP memory locks calibration constants once the instrument ships. Operating from 4.0-5.5 V aligns with standard 5 V analog rails.
推荐
推荐产品汇总
工程参考数据： PIC16C76T-10I/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 | PIC16C76-10I/SO | PIC16C76T-04I/SO | PIC16C76T-04E/SO | PIC16C76T-04/SO | PIC16F76-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC wide-body | 28-SOIC wide-body (tube) | 28-SOIC wide-body (T&R) | 28-SOIC wide-body (T&R) | 28-SOIC wide-body (T&R) | 28-SOIC wide-body |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (14 KB) | OTP (14 KB) | OTP (14 KB) | OTP (14 KB) | OTP (14 KB) | Flash (14 KB) |
| Maximum Clock Speed | 10 MHz | 10 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | 0 C to +70 C (Commercial) | -40 C to +85 C (Industrial) |
| ADC Channels / Resolution | 5 ch / 8-bit | 5 ch / 8-bit | 5 ch / 8-bit | 5 ch / 8-bit | 5 ch / 8-bit | 5 ch / 8-bit |
| CCP/PWM Modules | 1 | 1 | 1 | 1 | 1 | 1 |
| Packaging Format | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tape & Reel | Tube (T&R variant = PIC16F76T-I/SO) |
关键差异点
- Microchip-recommended modern replacement available （对比 PIC16F76-I/SO)
- Drop-in same-die alternative in tube format （对比 PIC16C76-10I/SO)
- Lower clock variant for low-power applications （对比 PIC16C76T-04I/SO)
设计说明
OTP parts can only be programmed once. Verify firmware thoroughly with a flash equivalent (PIC16F76) before committing to OTP production. A single bad write wastes the die. Use MPLAB X simulator and ICD debugging on the PIC16F76 to validate code, then migrate to the PIC16C76T-10I/SO for the locked-production BOM.
The PIC16C76T-10I/SO operates from 4.0 V to 5.5 V; adding a 100 nF decoupling capacitor close to VDD and a 10 uF bulk capacitor is mandatory. For analog accuracy, decouple AVdd (pin 7 separate analog rail on some layouts) and AVss independently. Brown-out and power-on reset behavior must be configured via configuration bits before programming.
Place the crystal or resonator close to OSC1/OSC2 pins (8 and 9), with short traces and a ground guard ring for EMI-sensitive designs. Keep high-speed switching signals away from the analog ADC inputs (RA0-RA5). For ICSP, dedicate RB6/PGC and RB7/PGD as a header to allow programming without removing the MCU from the board.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications, consider PIC16F76 variants or dsPIC parts with explicit automotive qualification.
