PIC17C752-16I/PT - 8-bit OTP MCU 16KB EPROM 50 I/O | Microchip
Référence : PIC17C752-16I/PT ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.78 | $9,78 |
| 10 | $8.71 | $87,10 |
| 100 | $7.42 | $742,00 |
| 500 | $6.55 | $3 275,00 |
| 1 000 | $6.13 | $6 130,00 |
PIC17C752-16I/PT Présentation
A PIC microcontroller (Programmable Interface Controller) is a family of 8/16/32-bit RISC microcontrollers built around a Harvard architecture with separate program and data memory buses, designed for embedded control applications. PIC MCUs sit within the broader category hierarchy of microcontroller -> embedded processor -> semiconductor device, and the PIC17C sub-family is one of Microchip's high-performance 8-bit lines positioned between the baseline PIC16 and the 16-bit dsPIC/PIC24 families. The "C" suffix denotes EPROM/OTP program memory (One-Time Programmable), which is well suited to prototyping and low-volume production.
Key features include only 58 single-word instructions for fast code ramp-up, single-cycle hardware multiplication, dual-cycle program branches and table read/write operations, four capture inputs for timing measurements, three PWM outputs for motor or power control, and an external memory bus that allows the 16 KB of internal program memory to be expanded. The -I suffix denotes the industrial operating temperature range, allowing the device to operate from -40C to +85C ambient.
Typical applications include industrial automation controllers, motor control systems, HVAC interface panels, security and access-control panels, instrumentation front-ends, and sensor aggregation hubs where the on-chip 10-bit ADC, PWM, and capture peripherals reduce total BOM. Microchip explicitly recommends the newer PIC18F6520 as the modern migration path for new designs, indicating that the PIC17C752 is now a mature legacy line maintained primarily for installed-base designs.
When designing with this part, ensure the EPROM windowed parts (JW package) are reserved only for prototype development because once programmed under the UV-erasable window they cannot be reprogrammed without erasure. Use the on-chip UART and SSP peripherals to offload communication and reduce firmware complexity, and provide adequate decoupling (0.1 uF + 10 uF bulk) near both VDD pins to support the high-current transients of the EPROM read and the ADC conversion clock.
This page consolidates distributor pricing, drop-in same-package alternatives from the PIC17C family, and practical design notes not found on the manufacturer product page.
Alternatives de remplacement direct pour PIC17C752-16I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC17C752-16I/PT (même facteur de forme et même empreinte) — différant par Package, Maximum Clock Frequency, RAM Size, Operating Temperature, Program Memory Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC17C752-16/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC17C752-16E/PT
✅ Remplacement direct✓ En stock
$10.85 / unité
Voir la fiche technique →PIC17C752T-16I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC17C752T-16E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC17C752-16I/PT Valeurs maximales et caractéristiques électriques
| Family | PIC PIC 17C |
| Core Size | 8-bit |
| Program Memory Type | OTP (EPROM) |
| Program Memory Size | 16 KB (8K x 16) |
| RAM Size | 678 bytes |
| Fréquence d'horloge maximale | 16 MHz (33 MHz internal frequency) |
| Instruction Cycle Time | 121 ns |
| MIPS Performance | 8.25 MIPS |
| I/O Pins | 50 |
| ADC | 10-bit, 12 channels |
| PWM Channels | 3 |
| Capture Inputs | 4 |
| Timers | Multiple (TMR0, TMR1, TMR2, TMR3) |
| Serial Interfaces | 1x SSP (SPI/I2C), 2x USART (UART) |
| External Memory Bus | Yes |
| Tension d'alimentation | 4.5 V to 5.5 V |
| Température de fonctionnement | -40 C to +85 C (Industrial, "I" grade) |
| Boîtier | 64-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Oscillator Type | External (4x PLL up to 33 MHz internal) |
| Hardware Multiplier | 8-bit x 8-bit single-cycle |
| Instruction Set | 58 single-word instructions |
| Watchdog Timer | Yes |
| Brown-out Reset | Yes |
Configuration des broches de PIC17C752-16I/PT
| Broche 1 | OSC1/CLKIN — Oscillator input / external clock input |
| Broche 2 | OSC2/CLKOUT — Oscillator output / 4x clock output |
| Broche 3 | MCLR — Master clear reset input (active low) |
| Broche 4 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Broche 5 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Broche 6 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Broche 7 | RA3/AN3 — PORTA bit 3 / analog input 3 / VREF+ |
| Broche 8 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| Broche 9 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| Broche 10 | RA6/AN6 — PORTA bit 6 / analog input 6 |
| Broche 11 | RA7/AN7 — PORTA bit 7 / analog input 7 |
| Broche 12 | VSS — Ground reference |
| Broche 13 | VDD — Positive supply (4.5 V to 5.5 V) |
| Broche 14 | RB0/INT — PORTB bit 0 / external interrupt |
| Broche 15 | RB1 — PORTB bit 1 |
| Broche 16 | RB2 — PORTB bit 2 |
| Broche 17 | RB3 — PORTB bit 3 |
| Broche 18 | RB4 — PORTB bit 4 |
| Broche 19 | RB5 — PORTB bit 5 |
| Broche 20 | RB6 — PORTB bit 6 / programming clock |
| Broche 21 | RB7 — PORTB bit 7 / programming data |
| Broche 22 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / clock input |
| Broche 23 | RC1/T1OSI — PORTC bit 1 / Timer1 oscillator input |
| Broche 24 | RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1 |
| Broche 25 | RC3/CCP2 — PORTC bit 3 / Capture/Compare/PWM 2 |
| Broche 26 | RC4/CCP3 — PORTC bit 4 / Capture/Compare/PWM 3 |
| Broche 27 | RC5/SDO/SDA — PORTC bit 5 / SPI data out / I2C data |
| Broche 28 | RC6/SDI/SCL — PORTC bit 6 / SPI data in / I2C clock |
| Broche 29 | RC7/SCK — PORTC bit 7 / SPI clock |
| Broche 30 | VSS — Ground reference |
| Broche 31 | VDD — Positive supply (4.5 V to 5.5 V) |
| Broche 32 | RD0 — PORTD bit 0 / external memory bus |
| Broche 33 | RD1 — PORTD bit 1 / external memory bus |
| Broche 34 | RD2 — PORTD bit 2 / external memory bus |
| Broche 35 | RD3 — PORTD bit 3 / external memory bus |
| Broche 36 | RD4 — PORTD bit 4 / external memory bus |
| Broche 37 | RD5 — PORTD bit 5 / external memory bus |
| Broche 38 | RD6 — PORTD bit 6 / external memory bus |
| Broche 39 | RD7 — PORTD bit 7 / external memory bus |
| Broche 40 | RE0/RD — PORTE bit 0 / external memory read strobe |
| Broche 41 | RE1/WR — PORTE bit 1 / external memory write strobe |
| Broche 42 | RE2/CS — PORTE bit 2 / external memory chip select |
| Broche 43 | RE3 — PORTE bit 3 |
| Broche 44 | VSS — Ground reference |
| Broche 45 | VDD — Positive supply (4.5 V to 5.5 V) |
| Broche 46 | RF0 — PORTF bit 0 |
| Broche 47 | RF1 — PORTF bit 1 |
| Broche 48 | RF2 — PORTF bit 2 |
| Broche 49 | RF3 — PORTF bit 3 |
| Broche 50 | RF4 — PORTF bit 4 |
| Broche 51 | RF5 — PORTF bit 5 |
| Broche 52 | RF6 — PORTF bit 6 / TX2 (USART2 transmit) |
| Broche 53 | RF7/RX2 — PORTF bit 7 / RX2 (USART2 receive) |
| Broche 54 | RG0 — PORTG bit 0 |
| Broche 55 | RG1 — PORTG bit 1 |
| Broche 56 | RG2 — PORTG bit 2 |
| Broche 57 | RG3 — PORTG bit 3 |
| Broche 58 | RG4 — PORTG bit 4 |
| Broche 59 | AVSS — Analog ground reference |
| Broche 60 | AVDD — Analog positive supply (4.5 V to 5.5 V) |
| Broche 61 | NC — Not connected |
| Broche 62 | NC — Not connected |
| Broche 63 | TX1/CK1 — USART1 transmit / clock |
| Broche 64 | RX1/DT1 — USART1 receive / data |
Applications typiques
PIC17C752-16I/PT convient pour 6 applications: Industrial Automation Controllers, Motor Control and PWM Drive Systems, HVAC Control Panels, Security and Access-Control Panels, Instrumentation Front-Ends, Sensor Aggregation Hubs.
Industrial Automation Controllers
The PIC17C752-16I/PT fits industrial automation controllers because its 16 KB OTP memory and 50 I/O lines are sufficient for sequencing relays, reading limit switches, and driving indicator panels without external bus expansion. The 12-channel 10-bit ADC handles analog sensor inputs (pressure, temperature, level) directly, and the three PWM outputs plus four capture inputs simplify closed-loop motor and valve control. The 4.5 V to 5.5 V supply and -40 C to +85 C industrial temperature grade support factory-floor operation, while the SSP (SPI/I2C) and two USARTs enable integration with HMIs, PLCs, and fieldbus gateways. The 64-pin TQFP footprint provides enough GPIO to drive parallel LCDs or keypad matrices.
Recommandé
Motor Control and PWM Drive Systems
The PIC17C752-16I/PT suits motor control designs because it integrates three dedicated PWM channels and four capture inputs alongside the 8.25 MIPS core, enough to implement trapezoidal or sinusoidal commutation on small BLDC or stepper motors. The 12-channel 10-bit ADC samples back-EMF and current-sense signals, while the single-cycle 8x8 hardware multiplier accelerates PI loop calculations. With a 121 ns instruction cycle the controller can service a 20 kHz PWM rate plus feedback sampling within tight interrupt latency. The 64-pin TQFP exposes enough I/O to drive three half-bridges plus encoder feedback directly.
Recommandé
HVAC Control Panels
The PIC17C752-16I/PT is well matched to HVAC control panel logic because its 50 I/O lines and SSP peripherals can directly scan keypads, drive character LCDs, and interface with temperature/humidity sensors via SPI or I2C. The 10-bit ADC is adequate for thermistor and pressure-transducer conditioning, and the four capture inputs handle AC zero-cross detection for triac-fired heater elements. The industrial -40 C to +85 C temperature range tolerates equipment-room environments, while the EPROM/OTP memory suits long-lifecycle HVAC products where firmware rarely changes after release. PIC18F6520 is the recommended Flash-based successor for new SKUs.
Recommandé
Security and Access-Control Panels
The PIC17C752-16I/PT supports security and access-control panels by combining 50 I/O lines for keypad matrix, door-strike relays, and zone-status LEDs with two USARTs for connecting to central-station modems or local RS-485 keypads. The 16 KB OTP memory is large enough to store user credential tables and event logs, while the 10-bit ADC monitors backup battery voltage and tamper-loop currents. The 4.5 V to 5.5 V supply matches common 5 V regulated alarm-bus rails, and the industrial temperature range survives unheated equipment closets. The SSP port supports secure EEPROM credential storage via SPI.
Recommandé
Instrumentation Front-Ends
The PIC17C752-16I/PT works well as an instrumentation front-end controller because its 12-channel 10-bit ADC and the 8.25 MIPS core can scan multiple analog inputs, apply linearization, and drive character displays. The four capture inputs handle frequency-to-voltage measurements from flow meters or tachogenerators, while the SSP (SPI/I2C) and two USARTs allow connection to laboratory data loggers, PC-based calibration tools, or remote sensor heads. The 64-pin TQFP provides 50 I/O lines for relay multiplexers, range-selection switching, and front-panel switches without external bus expansion.
Recommandé
Sensor Aggregation Hubs
The PIC17C752-16I/PT serves as a sensor-aggregation hub because it can simultaneously sample up to 12 analog channels via the on-chip 10-bit ADC while running SPI or I2C master transactions to additional digital sensors on the SSP bus. The 50 I/O lines support multiple 4-20 mA loops, discrete status inputs, and actuator drive outputs in parallel, while the two USARTs provide redundant uplink paths to a central controller or modem. The 678 bytes of RAM buffer bursty sensor traffic, and the industrial -40 C to +85 C range tolerates outdoor or factory-cabinet deployments where PIC17C legacy designs are still common.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC17C752-16I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC17C752-16/PT | PIC17C752-16E/PT | PIC17C752T-16I/PT | PIC17C752T-16E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Temperature Grade | Industrial -40C to +85C | Commercial 0C to +70C | Extended -40C to +125C | Industrial -40C to +85C (T&R) | Extended -40C to +125C (T&R) |
| Program Memory | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP | 16 KB OTP |
| RAM | 678 bytes | 678 bytes | 678 bytes | 678 bytes | 678 bytes |
| Maximum Clock | 16 MHz (33 MHz internal) | 16 MHz (33 MHz internal) | 16 MHz (33 MHz internal) | 16 MHz (33 MHz internal) | 16 MHz (33 MHz internal) |
| I/O Pins | 50 | 50 | 50 | 50 | 50 |
| Packaging | Tray | Tray | Tray | Tape & Reel | Tape & Reel |
Principaux différenciateurs
- Industrial temperature grade with extended design support (vs PIC17C752-16/PT)
- Extended temperature range for harsh-environment designs (vs PIC17C752-16E/PT)
- Tray packaging for prototype and low-volume production (vs PIC17C752T-16I/PT)
Notes de conception
The PIC17C752-16I/PT has two VDD pins (13 and 31) and two VSS pins (12 and 30) plus a separate analog AVDD/AVSS pair (60/59); both digital supplies must be connected with their own 0.1 uF ceramic decoupling placed within 5 mm of each pin, plus a single 10 uF bulk tantalum or ceramic at the regulator. EPROM read operations produce sharp current transients on the order of 30 to 50 mA peak; insufficient bulk capacitance will cause VDD sag during reads and potential EPROM read errors. The analog AVDD pin should be filtered separately with a ferrite bead or 10 ohm resistor plus 0.1 uF + 10 uF to keep ADC reference noise below 1 LSB.
EPROM/OTP memory can be programmed only once, so prototype designs must use the windowed (JW) ceramic package variant. Once sealed in the OTP -I/PT plastic TQFP, any firmware bug forces board rework. For production firmware development, follow this sequence: (1) develop and debug on a JW part, (2) verify UV-erase cycle, (3) order the production -I/PT parts only after the final firmware revision is locked. Additionally, the PIC17C family's 4x PLL means an 8 MHz external crystal produces 33 MHz internal; do not exceed the 33 MHz internal frequency maximum even with a faster external clock.
Route the 50 I/O lines on the PIC17C752-16I/PT away from the oscillator traces and the MCLR pull-up to avoid injecting switching noise into the clock or reset paths. Place the 4x PLL bypass capacitor (typically specified in the datasheet at 0.1 uF between OSC1 and ground) as close to pins 1 and 2 as physically possible. The 64-pin TQFP (10x10 mm) has 0.5 mm pitch - use 0.15 mm trace/space design rules with 0.2 mm vias under the package if escape routing is tight. Tie MCLR (pin 3) high through a 10 kohm resistor to VDD with a 100 nF capacitor to ground for noise immunity.
Informations de conformité
RoHS, REACH, lead-free, and halogen-free status not present in the verified distributor data and marked as [DATA_NEEDED]. Microchip publishes a current C of C on the product page that should be requested before shipping product into the EU or California markets. The PIC17C family was launched before RoHS-2 (2011); original lots are likely non-compliant, but lead-free PT package variants exist on request.
