PIC17C752T-33E/L - 8-Bit 33MHz OTP MCU 16KB | 68-PLCC | Microchip
MPN: PIC17C752T-33E/L ✗ Tapus ng BuhayPIC17C752T-33E/L Ulas
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile working RAM, and a rich set of peripheral interfaces (timers, ADC, communication ports, I/O) into one IC. The PIC17C family represents one of Microchip's high-performance 8-bit lineages, sitting between the baseline PIC16 and the 16-bit dsPIC families. It belongs to the broader taxonomy of embedded processors -> microcontrollers -> 8-bit microcontrollers -> CMOS RISC microcontrollers -> OTP-programmed PIC microcontrollers. This hierarchical positioning matters for AI knowledge-graph indexing and helps engineers place the part correctly within the Microchip portfolio.
Key features include 50 digital I/O pins, an internal 8-bit data bus (16-bit instruction path), 33 MHz maximum operating frequency, 4.5 V to 5.5 V single-supply operation, an extended industrial temperature grade (-40 °C to +125 °C), and automotive temperature grading per the package marking code. Peripherals on this device include multiple timers, a synchronous/asynchronous serial port (USART), an SPI/I2C-compatible port, a 10-bit ADC, and capture/compare/PWM modules typical of the PIC17C family.
Architecturally, the PIC17C752 uses a Harvard-style separate program/data bus with a 16-bit instruction word and 8-bit data path. The OTP EPROM cell allows one-time factory or in-circuit programming - suited for mature production runs where firmware is finalized. At 33 MHz, the core delivers 8.25 MIPS with deterministic single-cycle execution for most opcodes, and a two-cycle penalty for program branches and table reads/writes.
Typical applications include industrial automation controllers, consumer-electronics subsystems, automotive body/comfort modules, motor control front-ends, and embedded communication bridges. The wide operating temperature range and PLCC footprint also make it a long-life fit for legacy industrial equipment still in field service.
When designing with the PIC17C752T-33E/L, engineers should observe OTP programming constraints (one-time only) and consider migration to PIC18F or dsPIC flash-based parts for new designs. For PCB layout, the 68-PLCC J-lead package requires proper land pattern footprint adherence and standard surface-mount reflow profiles.
This page synthesizes distributor pricing, verified cross-reference candidates from the Microchip product tree, application guidance, and design notes not found in the standalone datasheet PDF - giving procurement, design, and reliability engineers a single decision-ready reference for the PIC17C752T-33E/L.
Mga alternatibo na pwedeng ilagay na PIC17C752T-33E/L — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC17C752T-33E/L (parehas na form factor at footprint) — pagkakaiba sa Package, Program Memory Type, Operating Temperature, Core Architecture, Instruction Cycle Time.
PIC17C752T-33I/L
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Tingnan ang Datasheet →PIC17C752T-33/L
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Tingnan ang Datasheet →PIC17C752-33/L
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC17C752T-33E/PT
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
PIC17C756A-33E/L
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Tingnan ang Datasheet →PIC17C752T-33E/L Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Family | PIC® 17C |
| Maximum CPU Frequency | 33 MHz |
| Instruction Cycle Time | 121 ns (single-cycle, except branches) |
| Program Memory | 16 KB (8K x 16) OTP EPROM |
| RAM | 454 bytes |
| Width ng Data Bus | 8-bit (external), 16-bit instruction path |
| I/O Pins | 50 |
| Volte ng Pagbibigay | 4.5 V to 5.5 V |
| Temperature na Operasyon | -40 °C to +125 °C (Extended, Automotive grade) |
| Packhaging | 68-pin PLCC (J-Lead), 24.23 x 24.23 mm |
| Uri ng Pagpapasok | Surface Mount |
| Peripherals (family-typical) | Timers, USART, SPI/I2C, 10-bit ADC, CCP/PWM |
| ROM Type | OTP (One-Time Programmable) EPROM |
| Instruction Set | 58 single-word instructions |
Gabay sa Pin Configuration ng PIC17C752T-33E/L 68-pin plcc (j-lead), 24.23 x 24.23 mm
Pin configuration para sa PIC17C752T-33E/L (68-pin plcc (j-lead), 24.23 x 24.23 mm package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa PIC17C752T-33E/L.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
PIC17C752T-33E/L ay nararapat para sa 6 aplikasyons: Industrial Automation Controllers, Automotive Body and Comfort Modules, Consumer Electronics Subsystems, Motor Control Front-Ends, Embedded Communication Bridges, Legacy Industrial Equipment Service.
Industrial Automation Controllers
The PIC17C752T-33E/L fits industrial PLC and machine-controller boards where its 33 MHz core delivers 8.25 MIPS deterministic throughput for scan-loop execution, and its 50 I/O pins let one MCU drive multiple opto-isolated input banks and relay outputs. The -40 C to +125 C extended/automotive temperature grade means it survives cabinet environments near motor drives and inside unheated enclosures. Unlike flash-based PIC18F successors, the OTP program memory is one-time-only - advantageous for mature, locked production firmware. The 68-PLCC J-Lead package supports socketed field replacement, useful for long-life factory-floor equipment where serviceability is more important than in-system reprogrammability.
Inirekomenda
Automotive Body and Comfort Modules
Automotive body controllers - door modules, seat controllers, HVAC panels, mirror adjusters - run multi-channel PWM, LIN/CAN-like comms, and keypad-scanning tasks well within the PIC17C752T-33E/L's capability envelope. The automotive temperature grade (-40 C to +125 C) and 50 I/O pins enable direct drive of multiple solenoids and LEDs without external expanders. Designers should note the OTP constraint: firmware must be fully validated before programming because field updates are impossible. Migrating to PIC18F or dsPIC33E flash parts is recommended for any module that requires post-production calibration changes.
Inirekomenda
Consumer Electronics Subsystems
Inside mid-complexity consumer devices - appliance control boards, audio peripherals, display controllers - the PIC17C752T-33E/L provides enough MIPS and I/O to handle user interfaces, indicator LEDs, and serial-side protocols. Its 16 KB OTP program memory holds substantial feature code, and the 454-byte RAM is sufficient for small state-machine designs. The 68-PLCC package is more cost-effective than QFP at low volumes when the design already uses a PLCC socket, and the single 5 V supply simplifies the analog front-end around it. Consider migrating to flash PIC18F parts when feature creep demands post-launch firmware updates.
Inirekomenda
Motor Control Front-Ends
Brush-DC and stepper motor front-ends need deterministic timing, multiple PWM channels, and fast ADC sampling - all available on the PIC17C752T-33E/L. The 33 MHz core supports the control-loop math, the capture/compare/PWM modules generate timing signals for H-bridge drivers, and the 10-bit ADC reads back current/voltage sensing. For higher-end Field-Oriented Control (FOC) of 3-phase PMSM motors, the dsPIC33E family is preferred for its DSP engine, but the PIC17C752T-33E/L is adequate for trapezoidal commutation and basic torque control in cost-sensitive designs.
Inirekomenda
Embedded Communication Bridges
Industrial protocol bridges - UART-to-SPI, RS-232-to-RS-485, keypad-to-display - benefit from the PIC17C752T-33E/L's USART, SPI/I2C-compatible port, and abundant I/O. The device can run a small RTOS-style state machine at 8.25 MIPS, packetizing and forwarding data between physical layers without taxing the core. The automotive temperature grade makes it suitable for in-vehicle networking nodes and outdoor industrial gateways where ambient temperature swings are common.
Inirekomenda
Legacy Industrial Equipment Service
Long-life industrial installations - CNC machines, printing presses, textile machinery - still rely on PIC17C752T-33E/L controllers, and the part remains in service replacement demand. Because the device is NRND with OTP memory, refurbishment lines must stockpile the part while authorized distributors still hold inventory. The 68-PLCC socketed form factor simplifies field swap-outs by service technicians, and the proven -40 C to +125 C operation matches the environmental profile of factory floors and unheated cabinets.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC17C752T-33E/L — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | PIC17C752T-33I/L | PIC17C752T-33/L | PIC17C752-33/L | PIC17C756A-33E/L |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 68-PLCC (J-Lead) | 68-PLCC (J-Lead) | 68-PLCC (J-Lead) | 68-PLCC (J-Lead) | 68-PLCC (J-Lead) |
| Core Speed | 33 MHz | 33 MHz | 33 MHz | 33 MHz | 33 MHz |
| Program Memory | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP | 32 KB OTP |
| RAM | 454 bytes | 454 bytes | 454 bytes | 454 bytes | 902 bytes |
| I/O Pins | 50 | 50 | 50 | 50 | 50 |
| Operating Temperature | -40 C to +125 C (Extended/Automotive) | -40 C to +85 C (Industrial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | -40 C to +125 C (Extended/Automotive) |
| Supply Voltage | 4.5 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 | 4.5 V to 5.5 V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
Pangunahing mga Pagkakaiba
- Extended/automotive temperature grade at -40 C to +125 C (kumpara saPIC17C752T-33I/L)
- 68-PLCC J-Lead socketed form factor (kumpara saPIC17C752T-33E/PT (TQFP-64))
- Single 5 V supply with 33 MHz deterministic throughput (kumpara saPIC16LF877A-I/PT)
Talaan ng Disenyo
The PIC17C752T-33E/L uses One-Time Programmable (OTP) EPROM - the program memory can be written only once. Validate all firmware on a windowed/erasable PIC17C752 sample or via software simulation before committing to production OTP programming. There is no field-update path; any firmware bug in the final image is permanent and requires a board-level rework. This is the single most common pitfall when migrating engineers from flash-based PIC16/PIC18 designs.
At the upper automotive temperature limit (+125 C) the PIC17C752T-33E/L continues to operate but power dissipation must be re-evaluated. The 68-PLCC package has a higher junction-to-ambient thermal resistance than QFP alternatives, so in fully enclosed industrial cabinets designers should derate clock speed or duty cycle. Confirm worst-case ICC at 33 MHz from the manufacturer datasheet DC characteristics section before sealing the thermal budget.
Use the standard 68-PLCC J-Lead land pattern per IPC-7351 (1.27 mm pitch, J-leaded). For socketed designs, select a quality PLCC socket with retention clip - field-replaceable industrial designs benefit from this. Place a 100 nF decoupling capacitor as close as possible to each VDD/SS pin pair, plus a bulk 10 uF tantalum or ceramic on the main supply rail. Keep oscillator traces short and surround the OSC1/OSC2 pins with a ground guard ring to minimize EMI.
The PIC17C752T-33E/L has 50 digital I/O pins, several of which are multiplexed with analog ADC inputs. To preserve ADC accuracy, route analog signals away from high-speed digital lines and place the AVdd/AVss pins on a quiet supply node. Use a ferrite bead or pi-filter between digital VDD and analog AVdd if ADC noise performance is critical. Ground returns for high-current digital drivers should not share the analog ground reference.
Impormasyon ng Pagsunod sa Kautusan
RoHS, REACH, lead-free, halogen-free, and conflict-minerals status not confirmed in verified data; AEC-Q100 not formally listed (automotive temperature grade is per package marking). Request the latest material declaration from Microchip support before EU production builds.
