PIC17C752T-16/PT - 16MHz 8-bit OTP MCU, 16KB, TQFP-64 | Microchip
MPN: PIC17C752T-16/PT ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.6 | $1,160.00 |
| 500 | $10.44 | $5,220.00 |
| 1,000 | $9.28 | $9,280.00 |
PIC17C752T-16/PT Overview
Background: A PIC (Peripheral Interface Controller) microcontroller is a Harvard-architecture RISC device that separates program and data memory, enabling simultaneous instruction fetch and operand access for high-throughput deterministic execution. The PIC17C family represents Microchip's high-performance 8-bit tier, positioned above the PIC16C and PIC12C families in computational throughput and peripheral integration, while remaining within the broader 8-bit microcontroller category of embedded processing ICs.
Key features include an 8.25 MIPS instruction execution rate at 16 MHz (121 ns single-cycle instruction time), only 58 single-word instructions for compact code authoring, and 4.5 V to 5.5 V single-supply operation. Two-cycle branches and table reads/writes extend to roughly 242 ns. The device includes programmable code protection, power-on reset, brown-out reset, watchdog timer with its own on-chip RC oscillator, dual analog comparators, and three timer/counter modules. The 64-pin TQFP package provides a thin (~1 mm) profile suitable for space-constrained PCB designs.
Typical applications span industrial automation controllers, consumer electronics user interfaces, medical device subsystems, and embedded control modules. The generous 50-I/O count suits keypad scanning, LCD driving, and parallel sensor aggregation. The integrated communication peripherals enable master/slave roles on multi-drop buses, while the OTP program memory supports volume production with one-time firmware commit at lower unit cost than flash parts.
Design consideration: at 16 MHz, the PIC17C752 operates at the upper boundary of its 5 V supply range; ensure decoupling caps are placed within 5 mm of VDD pins, and use a low-ESR ceramic (100 nF plus 10 uF bulk) layout. This device is recommended for new designs only when PIC18F or dsPIC33 alternatives are unavailable, as the manufacturer explicitly directs users to the PIC18F6520 successor.
Drop-in alternatives for PIC17C752T-16/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC17C752T-16/PT (same form factor and footprint) — differing in Package, Program Memory Type, Operating Temperature, RAM Size, Program Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC17C752-16/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC17C752-16E/PT
✅ Drop-In✓ In Stock
$10.85 / Unit
View Datasheet →PIC17C752-16I/PT
✅ Drop-In✓ In Stock
$6.13 / Unit
View Datasheet →PIC17C752-33/PT
✅ Drop-In✓ In Stock
$10.1 / Unit
View Datasheet →PIC17C752-33E/PT
✅ Drop-In✓ In Stock
$11.75 / Unit
View Datasheet →PIC17C752T-16I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC17C752T-16/PT Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Family | PIC17C |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 16 KB (8K x 16) |
| RAM Size | 678 B |
| Maximum Clock Frequency | 16 MHz |
| Instruction Throughput | 8.25 MIPS (121 ns / instruction) |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| I/O Pins | 50 |
| Communication Interfaces | I2C, SPI, UART/USART |
| Timers | 3 x 8/16-bit Timer/Counters |
| Analog Comparators | 2 |
| Package | TQFP-64 (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | 0 C to +70 C (commercial) |
| Watchdog Timer | Yes (with dedicated RC oscillator) |
| Brown-out Reset | Yes |
| Code Protection | Yes (programmable) |
| Instruction Set | 58 single-word instructions |
PIC17C752T-16/PT Pin Configuration
| Pin 1 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Pin 2 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Pin 3 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| Pin 4 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| Pin 5 | RA4/T0CKI — Port A bit 4 / Timer 0 clock input |
| Pin 6 | RA5/SS — Port A bit 5 / SPI slave select |
| Pin 7 | OSC1/CLKIN — Oscillator crystal input / external clock |
| Pin 8 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| Pin 9 | RC0 — Port C bit 0 |
| Pin 10 | RC1 — Port C bit 1 |
| Pin 11 | RC2 — Port C bit 2 |
| Pin 12 | RC3 — Port C bit 3 |
| Pin 13 | RD0 — Port D bit 0 |
| Pin 14 | RD1 — Port D bit 1 |
| Pin 15 | RD2 — Port D bit 2 |
| Pin 16 | RD3 — Port D bit 3 |
| Pin 17 | RC4/SDA — Port C bit 4 / I2C data |
| Pin 18 | RC5/SCL — Port C bit 5 / I2C clock |
| Pin 19 | RC6/TX/CK — Port C bit 6 / UART TX / clock |
| Pin 20 | RC7/RX/DT — Port C bit 7 / UART RX / data |
| Pin 21 | VSS — Ground reference |
| Pin 22 | VDD — Positive supply voltage (4.5 V to 5.5 V) |
| Pin 23 | RB0/INT0 — Port B bit 0 / External interrupt 0 |
| Pin 24 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| Pin 25 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| Pin 26 | RB3/INT3 — Port B bit 3 / External interrupt 3 |
| Pin 27 | RB4 — Port B bit 4 |
| Pin 28 | RB5 — Port B bit 5 |
| Pin 29 | RB6/PGC — Port B bit 6 / ICSP clock |
| Pin 30 | RB7/PGD — Port B bit 7 / ICSP data |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RE0/RD — Port E bit 0 / parallel slave port read |
| Pin 34 | RE1/WR — Port E bit 1 / parallel slave port write |
| Pin 35 | RE2/CS — Port E bit 2 / parallel slave port chip select |
| Pin 36 | RE3 — Port E bit 3 |
| Pin 37 | RE4 — Port E bit 4 |
| Pin 38 | RE5 — Port E bit 5 |
| Pin 39 | RE6 — Port E bit 6 |
| Pin 40 | RE7 — Port E bit 7 |
| Pin 41 | VSS — Ground reference |
| Pin 42 | VDD — Positive supply voltage |
| Pin 43 | RF0 — Port F bit 0 |
| Pin 44 | RF1 — Port F bit 1 |
| Pin 45 | RF2 — Port F bit 2 |
| Pin 46 | RF3 — Port F bit 3 |
| Pin 47 | RF4 — Port F bit 4 |
| Pin 48 | RF5 — Port F bit 5 |
| Pin 49 | RF6 — Port F bit 6 |
| Pin 50 | RF7 — Port F bit 7 |
| Pin 51 | VSS — Ground reference |
| Pin 52 | VDD — Positive supply voltage |
| Pin 53 | RG0 — Port G bit 0 |
| Pin 54 | RG1 — Port G bit 1 |
| Pin 55 | RG2 — Port G bit 2 |
| Pin 56 | RG3 — Port G bit 3 |
| Pin 57 | RG4 — Port G bit 4 |
| Pin 58 | RG5 — Port G bit 5 |
| Pin 59 | RG6 — Port G bit 6 |
| Pin 60 | RG7 — Port G bit 7 |
| Pin 61 | MCLR/VPP — Master clear reset / programming voltage |
| Pin 62 | T1CKI — Timer 1 clock input |
| Pin 63 | T2CKI — Timer 2 clock input |
| Pin 64 | NC — Not connected (per datasheet) |
Typical Applications
PIC17C752T-16/PT is suitable for 6 applications: Industrial Automation Controllers, Consumer Electronics User Interfaces, Medical Device Subsystems, Embedded Control Modules, Automotive Body Electronics, Instrumentation and Test Equipment.
Industrial Automation Controllers
The PIC17C752T-16/PT is well-suited for industrial automation controllers that require deterministic 8-bit RISC execution, robust I/O expansion, and integrated serial communication. With 16 KB OTP program memory and 8.25 MIPS throughput at 16 MHz, the MCU can run multi-axis stepper-motor state machines, PID control loops, and HMI keypad scanning routines in real time. The 50 digital I/O pins allow direct connection to relay banks, optocoupler-isolated inputs, and 7-segment displays without external I/O expanders. The integrated I2C, SPI, and UART/USART peripherals enable master/slave roles on RS-485 multi-drop fieldbus networks and inter-MCU links within the same cabinet. Designers should pair each VDD/SS pair with 100 nF ceramic decoupling plus a 10 uF bulk capacitor to suppress noise from 24 V solenoid switching.
Recommended
Consumer Electronics User Interfaces
For consumer appliance user interfaces (washing machines, microwave ovens, air conditioners), the PIC17C752T-16/PT offers 50 I/O that can directly drive 4x5 key matrices, multiple 7-segment LED displays, and character LCD modules. Its 16 MHz core clocks 121 ns instructions, supporting debounced keypad scan loops and display refresh tasks simultaneously without RTOS overhead. On-chip I2C and SPI allow pairing with EEPROM for user settings, audio DACs for chime generation, and temperature/humidity sensors for environmental feedback. OTP program memory at 16 KB enables cost-optimized high-volume SKUs where firmware is finalized and one-time programmed during manufacturing. The TQFP-64 footprint enables compact front-panel PCB layouts with hand-solder-friendly gull-wing leads.
Recommended
Medical Device Subsystems
Medical device subsystems (non-life-support, such as blood-pressure monitors, infusion-pump user interfaces, and diagnostic-reader keypad controllers) can leverage the PIC17C752T-16/PT for its deterministic instruction timing and on-chip analog comparators. The 8.25 MIPS throughput supports sensor-acquisition routines, filter math, and graphic-LCD updates in parallel. Brown-out reset and watchdog timer with dedicated RC oscillator provide defense-in-depth against firmware lockups required by IEC 60730 class B compliance. The 678 B RAM accommodates 16-bit ADC buffering from external converters and rolling-average filters. Designers should validate electromagnetic compatibility per IEC 60601-1-2, since the 16 MHz oscillator harmonics can couple into nearby analog front-end stages.
Recommended
Embedded Control Modules
Embedded control modules such as vending-machine controllers, access-control panels, HVAC zone controllers, and building-automation nodes benefit from the PIC17C752T-16/PT's combination of 16 KB OTP, 50 I/O, and three hardware timers. The MCU can drive character LCDs, scan 4x4 keypads, control relay outputs, and poll multiple UART peripherals concurrently. The hardware UART/USART enables direct RS-232/RS-485 communication with host systems, while I2C and SPI support sensor and memory expansion. OTP memory locks the firmware at production time, preventing field tampering with security-sensitive algorithms. The 4.5 V to 5.5 V supply range is well-matched to 5 V regulated industrial rails without level shifters.
Recommended
Automotive Body Electronics
Automotive body-electronics modules (interior lighting controllers, seat-position memory, mirror adjusters, and instrument-cluster auxiliary logic) historically used the PIC17C752 family for its multi-I/O capability and 5 V operation. Although this part is NRND and not AEC-Q100 qualified, it has been deployed in commercial-vehicle and aftermarket designs. The 50 I/O supports multiple H-bridge drivers, switch-scan matrices, and CAN/LIN gateways via external transceivers. Designers moving to new designs should consider AEC-Q100-qualified successors such as PIC18F46K22 or dsPIC33EP64MC204. For legacy aftermarket replacement, the PIC17C752-16I/PT (industrial temperature) provides an automotive-suitable temperature grade with identical pinout.
Recommended
Instrumentation and Test Equipment
Bench instrumentation and test equipment, including laboratory data-loggers, hand-held multimeter front-ends, and educational measurement kits, can use the PIC17C752T-16/PT for measurement acquisition, range-switching logic, and LCD or 7-segment display driving. The hardware timers support precise frequency-counter and event-counter functions, while the analog comparators enable window-discriminator and zero-crossing detection. The 50 I/O directly multiplex multiple measurement ranges and signal-conditioning relays without external logic. The 16 KB program memory fits structured C code for calibration tables, linearization math, and serial-protocol command parsing. Designers should add external ESD protection on user-accessible connectors since OTP firmware cannot be patched in the field.
Recommended
Recommended Products Summary
Engineering reference data for PIC17C752T-16/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC17C752-16/PT | PIC17C752-16E/PT | PIC17C752-16I/PT | PIC17C752-33/PT | PIC17C752-33E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10) | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 33 MHz | 33 MHz |
| Instruction Throughput | 8.25 MIPS | 8.25 MIPS | 8.25 MIPS | 8.25 MIPS | 16.5 MIPS | 16.5 MIPS |
| Program Memory | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP |
| RAM Size | 678 B | 678 B | 678 B | 678 B | 678 B | 678 B |
| I/O Pins | 50 | 50 | 50 | 50 | 50 | 50 |
| Operating Temperature Range | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | -40 C to +125 C (extended) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | -40 C to +125 C (extended) |
| Packaging Form | Tape & Reel | Tube | Tube | Tube | Tube | Tube |
Key Differentiators
- Industry-leading 16-bit instruction word at 16 MHz yields 8.25 MIPS throughput (vs PIC17C752-33/PT)
- Commercial temperature grade for cost-sensitive consumer designs (vs PIC17C752-16I/PT)
- High 50-I/O count without external expanders (vs PIC18F46K22)
- Triple peripheral serial interface on-chip (vs PIC16F877A)
Design Notes
Place a 100 nF low-ESR ceramic decoupling capacitor within 5 mm of each VDD/VSS pin pair (5 pairs on TQFP-64) and a single 10 uF bulk tantalum or ceramic capacitor at the board-level VDD entry point. The PIC17C752T-16/PT draws transient currents up to ~100 mA during I/O bank switching, and inadequate decoupling can cause brown-out resets or instruction-fetch corruption. Tie unused I/O pins to defined logic levels (VDD or VSS) to prevent shoot-through current and oscillator noise coupling.
Route the 16 MHz crystal traces (OSC1/OSC2) as short, symmetric pairs with a ground guard ring to minimize EMI. The PIC17C752T-16/PT is not a 5 V-tolerant device in industrial environments; add external ESD protection (TVS arrays such as USBLC6-2SC6) on any user-accessible connector pins. Keep digital switching traces away from analog comparator inputs (RA0-RA3) and route these analog signals with ground shielding. Place MCLR/VPP capacitor (typically 10-100 nF) close to the pin for proper reset behavior.
Do not assume OTP memory is erasable - each bit can only be programmed once, so firmware bugs cannot be field-patched. For new designs choose PIC18F46K22 or dsPIC33EP64MC204 (flash-based). Estimated: oscillator start-up time at 16 MHz with a typical 22 pF load crystal is 50-200 ms; wait for OST (Oscillator Start-up Timer) timeout before code execution to avoid erratic reset behavior. When migrating from PIC16C/PIC12C, note that PIC17C uses 16-bit instruction words, not 14-bit, doubling program-memory throughput per fetch.
Compliance Information
Lifecycle is NRND per Microchip product page. RoHS/REACH/lead-free status not confirmed in verified web data; check Microchip product page or PCN documents for current compliance attestations. Not AEC-Q100 qualified for automotive safety applications.
