PIC17LC752-08I/PT - 8-Bit 8MHz CMOS EPROM MCU, 16KB | Microchip
料号： PIC17LC752-08I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.1 | $131.00 |
| 100 | $11.85 | $1,185.00 |
| 500 | $10.65 | $5,325.00 |
| 1,000 | $9.55 | $9,550.00 |
PIC17LC752-08I/PT 概述
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (ROM/Flash/OTP), volatile data memory (RAM), and a configurable set of peripherals such as timers, A/D converters, communication ports, and interrupt controllers. Within the broader semiconductor taxonomy, the PIC17LC752 belongs to the 8-bit MCU -> microcontroller -> embedded processor -> semiconductor hierarchy. The PIC17 family specifically targets higher pin-count, higher-performance 8-bit applications that require more peripherals and I/O than the baseline PIC16 family can offer.
Key features include a 10-bit A/D converter with up to 12 channels, dual capture/compare/PWM modules, a USART port, an SSP port supporting SPI and I2C, hardware multiplication, and a flexible interrupt controller with vectored interrupts. The OTP program memory is one-time programmable, making this part well suited to mature, high-volume production where field firmware updates are not required. The wide 2.5 V to 5.5 V supply range allows operation from regulated 3.3 V rails or directly from a 5 V system bus.
Typical applications include industrial control front-ends, HVAC and appliance controllers, motor control peripheral boards, instrumentation front panels, and embedded sensor hubs where deterministic real-time response matters. The 121 ns single-cycle instruction execution provides predictable interrupt latency that simplifies firmware timing analysis in safety-related control loops.
When designing with this device, ensure the EPROM programming window is correctly handled in production programming equipment and that brown-out and watchdog timer settings are tuned to the application. The industrial (-40C to +85C) temperature grade and the legacy PDIP package make the PIC17LC752-08I/PT primarily suited to through-hole industrial designs.
This page aggregates distributor pricing, drop-in replacement candidates, and practical engineering guidance that is not compiled in the manufacturer datasheet itself.
直接替换替代料： PIC17LC752-08I/PT ——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： PIC17LC752-08I/PT （相同外形与封装尺寸） ——差异在于 Maximum Clock Frequency, I/O Pins, Package, Program Memory Size, Program Memory Type.
快速对比工具——选择替代料号进行并排对比：
PIC17LC752-08/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC17LC752T-08I/PT
✅ 直接替换✓ 有现货
$7.45 / 个
查看数据手册 →PIC17C752-08I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC17C752-16I/PT
✅ 直接替换✓ 有现货
$6.13 / 个
查看数据手册 →PIC17C752-33I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC17LC756A-08I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$12.3 / 个
查看数据手册 →PIC17LC752-08I/PT 最大额定值与电气特性
| Architecture | PIC 8-bit RISC |
| Instruction Set | 58 single-word instructions |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 16 KB (8K x 16) |
| RAM Size | 678 bytes |
| 最大时钟频率 | 33 MHz (external input) |
| Internal CPU Clock | 8 MHz (8 MHz part suffix) |
| Instruction Cycle | 121 ns (single-cycle) |
| 电源电压 | 2.5 V to 5.5 V |
| I/O Pins | 33 |
| Communication Peripherals | USART, SSP (SPI/I2C) |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | PDIP-40 (PT) |
| 安装类型 | Through-Hole (DIP) |
| 数据总线宽度 | 16-bit (instruction) / 8-bit (data) |
PIC17LC752-08I/PT 引脚配置
| 引脚 1 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| 引脚 2 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| 引脚 3 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| 引脚 4 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| 引脚 5 | RA4/AN4/T0CKI — Port A bit 4 / Analog input 4 / Timer0 clock input |
| 引脚 6 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| 引脚 7 | RA6/OSC2 — Port A bit 6 / Oscillator output |
| 引脚 8 | RA7/OSC1 — Port A bit 7 / Oscillator input |
| 引脚 9 | MCLR/VPP — Master clear / Programming voltage |
| 引脚 10 | VSS — Ground |
| 引脚 11 | VDD — Positive supply voltage |
| 引脚 12 | RB0/INT0 — Port B bit 0 / External interrupt 0 |
| 引脚 13 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| 引脚 14 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| 引脚 15 | RB3 — Port B bit 3 |
| 引脚 16 | RB4 — Port B bit 4 |
| 引脚 17 | RB5 — Port B bit 5 |
| 引脚 18 | RB6 — Port B bit 6 |
| 引脚 19 | RB7 — Port B bit 7 |
| 引脚 20 | RC0 — Port C bit 0 |
| 引脚 21 | RC1 — Port C bit 1 |
| 引脚 22 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| 引脚 23 | RC3/CCP2 — Port C bit 3 / Capture/Compare/PWM 2 |
| 引脚 24 | RC4 — Port C bit 4 |
| 引脚 25 | RC5 — Port C bit 5 |
| 引脚 26 | RC6/TX/CK — Port C bit 6 / USART TX / clock |
| 引脚 27 | RC7/RX/DT — Port C bit 7 / USART RX / data |
| 引脚 28 | RD0 — Port D bit 0 |
| 引脚 29 | RD1 — Port D bit 1 |
| 引脚 30 | RD2 — Port D bit 2 |
| 引脚 31 | RD3 — Port D bit 3 |
| 引脚 32 | RD4 — Port D bit 4 |
| 引脚 33 | RD5 — Port D bit 5 |
| 引脚 34 | RD6 — Port D bit 6 |
| 引脚 35 | RD7 — Port D bit 7 |
| 引脚 36 | RE0/AN6 — Port E bit 0 / Analog input 6 |
| 引脚 37 | RE1/AN7 — Port E bit 1 / Analog input 7 |
| 引脚 38 | RE2/AN8 — Port E bit 2 / Analog input 8 |
| 引脚 39 | VSS — Ground |
| 引脚 40 | VDD — Positive supply voltage |
典型应用
PIC17LC752-08I/PT 适用于 6 应用s: Industrial Control Front-End, HVAC and Appliance Controller, Motor Control Peripheral Board, Instrumentation Front Panel, Embedded Sensor Hub, Security and Access Control Panel.
Industrial Control Front-End
The PIC17LC752-08I/PT's 8 MIPS throughput, 33 I/O lines, and integrated 10-bit A/D converter make it well suited to industrial control front-end boards where deterministic real-time response is critical. The 121 ns instruction cycle provides predictable interrupt latency, simplifying firmware timing analysis in safety-related control loops. Operating from a 2.5 V to 5.5 V rail allows direct connection to common 24 V-buck-derived 5 V or 3.3 V industrial power supplies without additional level shifters. The wide -40C to +85C industrial temperature grade handles factory floor thermal stress.
推荐
HVAC and Appliance Controller
The PIC17LC752-08I/PT is well matched to HVAC and appliance controllers where multiple sensors, triac drivers, and user interfaces must be coordinated. The 10-bit ADC handles thermistor and pressure-sensor inputs, while the 33 I/O lines drive relay coils, TRIAC optocouplers, and display multiplexers. The OTP EPROM memory is sufficient for fixed-function firmware that does not require field updates, lowering per-unit cost in volume appliance production.
推荐
Motor Control Peripheral Board
The PIC17LC752-08I/PT's Capture/Compare/PWM modules and high-throughput core suit brushed DC and stepper motor peripheral boards. PWM channels drive H-bridge MOSFET gates while the ADC samples current-sense amplifiers for closed-loop torque control. The 8 MIPS performance ensures PWM loops execute without jitter, and the wide supply range simplifies integration with 5 V gate driver supplies typical in industrial motor drives.
推荐
Instrumentation Front Panel
The PIC17LC752-08I/PT drives front-panel keypads, LCD or VFD displays, and rotary encoders on bench-top instruments. Its 33 I/O lines handle matrix keypads and parallel display interfaces, while the USART connects to main DSP or FPGA signal-processing boards. The 10-bit ADC reads front-panel potentiometers and analog reference voltages, and the 2.5 V to 5.5 V range accommodates instrumentation-grade power rails.
推荐
Embedded Sensor Hub
The PIC17LC752-08I/PT acts as a sensor hub aggregating I2C and SPI sensor data and forwarding it over USART to a host controller. The integrated SSP port supports both SPI and I2C masters, enabling direct connection to accelerometers, temperature sensors, and EEPROMs without glue logic. The 678-byte RAM buffers sensor frames, and the deterministic instruction cycle preserves sensor timing integrity.
推荐
Security and Access Control Panel
The PIC17LC752-08I/PT handles keypad entry, RFID reader interfaces, and alarm loop monitoring in access control panels. Its 33 I/O lines drive relay outputs for door strikes, read magnetic contact inputs, and interface to Wiegand-format card readers. OTP EPROM prevents firmware tampering, and the industrial temperature grade ensures reliability in unheated entry vestibules and outdoor enclosures.
推荐
推荐产品汇总
工程参考数据： PIC17LC752-08I/PT ——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 | PIC17LC752-08/PT | PIC17LC752T-08I/PT | PIC17C752-08I/PT | PIC17C752-16I/PT | PIC17C752-33I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-40 (PT) | PDIP-40 (PT) - same | PDIP-40 (PT) - same | PDIP-40 (PT) - same | PDIP-40 (PT) - same | PDIP-40 (PT) - same |
| Program Memory | 16 KB OTP EPROM | 16 KB OTP EPROM | 16 KB OTP EPROM | 16 KB OTP EPROM | 16 KB OTP EPROM | 16 KB OTP EPROM |
| CPU Clock Speed | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 16 MHz | 33 MHz |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| I/O Pins | 33 | 33 | 33 | 33 | 33 | 33 |
| RAM Size | 678 bytes | 678 bytes | 678 bytes | 678 bytes | 678 bytes | 678 bytes |
关键差异点
- Wide 2.5 V to 5.5 V supply voltage range （对比 PIC17C752-08I/PT)
- 8 MHz CPU clock with 121 ns instruction cycle （对比 PIC17C752-33I/PT)
- Industrial -40C to +85C temperature grade （对比 PIC17LC752-08/PT)
设计说明
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of each VDD pin (pins 11 and 40) and add a bulk 10 uF tantalum or aluminum polymer capacitor at the board entry point. The PIC17LC752 has dual VDD/VSS pin pairs to reduce digital switching noise injection into analog sections. Keep the analog VDD/VSS pair and digital VDD/VSS pair star-grounded at a single point near the MCU to preserve A/D converter accuracy.
Route the OSC1/OSC2 crystal traces as short, symmetric loops with the load capacitors placed close to the MCU. For 33 MHz operation, use a fundamental-mode crystal with ESR under 60 ohm. Keep high-current switching traces (TRIAC gate drives, relay coils) routed away from the analog input pins (AN0-AN8) to minimize ADC sampling crosstalk.
Do not apply MCLR/VPP (pin 9) above VDD + 0.3 V during normal operation - this pin is used for in-circuit programming and can damage the part if driven by an external logic signal accidentally. Always include a 10 kohm pull-up on MCLR and a 100 nF decoupling cap to VDD at the MCLR pin. Also ensure brown-out reset is enabled in the configuration word to prevent undefined execution at low VDD.
Estimated: at maximum CPU activity (8 MIPS, VDD = 5.5 V), power dissipation is approximately 30-50 mW, well within the PDIP-40 package's thermal limit. Junction temperature rise above ambient is roughly 5 C/W x 0.05 W = 0.25 C, negligible. No heatsink or thermal management is required for normal operation even in sealed enclosures at +85C ambient.
合规信息
RoHS, REACH, lead-free, and halogen-free status were not specified in the retrieved web data and are marked [DATA_NEEDED] in the specs array. AEC-Q100 is not applicable for this industrial-grade MCU - it is not qualified for automotive applications. Contact Microchip directly for the latest compliance certificates.
