PIC16F753-I/P - 8-Bit 20MHz 3.5KB Flash MCU | Microchip | 14-PDIP
MPN: PIC16F753-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.74 | $1.74 |
| 10 | $1.58 | $15.80 |
| 100 | $1.39 | $139.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.02 | $1,020.00 |
PIC16F753-I/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that uses an 8-bit data path, optimized for low cost, low power, and deterministic real-time control. Within the semiconductor taxonomy, an MCU sits under microcontroller -> embedded processor -> integrated circuit. PIC microcontrollers use a Harvard RISC architecture, separating program and data memory for predictable instruction timing. The 14-bit instruction word width makes PIC16 devices a balance of code density and simplicity, suitable for cost-sensitive consumer, industrial, and IoT edge applications.
Key features of the PIC16F753 include 3.5KB Flash, 128 bytes RAM, 14-pin PDIP packaging, and an integrated 8MHz internal oscillator that lowers BOM cost. The device also integrates a 9-bit DAC, multiple comparators, PWM modules, ADC, and Core Independent Peripherals, enabling standalone analog and motor control without external ICs. Operating voltage spans 2V to 5.5V, with low-power sleep modes suitable for battery applications.
The PIC16F753 uses a 13-bit program counter addressing an 8K x 14 program memory space, with the first 2K x 14 physically implemented. Its Harvard architecture, RISC instruction set, and integrated CIPs allow designers to consolidate analog signal conditioning, motor control loops, and digital logic in one chip, reducing system cost, board area, and firmware complexity.
Typical applications include LED lighting control, sensor signal conditioning, small motor control (fan, pump), battery chargers, and low-power IoT edge nodes. The 14-pin PDIP form factor is well suited to through-hole prototyping and industrial designs where socketed parts ease serviceability.
When designing with the PIC16F753, configure the configuration bits for oscillator selection (INTOSC vs. external) and ensure the analog peripherals are properly initialized. An ICD header or ICSP programming pads are required for in-circuit programming; consult the MPLAB X IDE for development toolchain support.
This page synthesizes Microchip datasheet specifications, distributor pricing, drop-in same-package alternatives from Microchip's PIC16F family, and practical design notes not consolidated in the manufacturer datasheet, all of which help engineers source, compare, and qualify parts efficiently.
Drop-in alternatives for PIC16F753-I/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F753-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F753-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1503-I/P
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F1933-I/P
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F753-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 (8-bit Harvard RISC) |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| RAM | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Internal Oscillator | 8 MHz |
| Operating Voltage | 2 V to 5.5 V |
| Package | 14-pin PDIP (through-hole) |
| Mounting Type | Through-Hole (DIP) |
| Instruction Set Width | 14-bit |
| Program Counter Width | 13-bit (8K x 14 address space; 2K x 14 implemented) |
| Integrated DAC | 9-bit |
| Operating Temperature Range | -40C to +85C (Industrial, I temp grade) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F753-I/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2V-5.5V) |
| Pin 2 | RA5/AN4/C1IN0-/T1CKI/P1A — Bidirectional I/O with analog input, comparator input, timer1 clock, PWM output |
| Pin 3 | RA4/AN3/C1IN1-/T1G/P1B — Bidirectional I/O with analog input, comparator input, timer1 gate, PWM output |
| Pin 4 | RA3/MCLR/VPP — Input with MCLR reset (active-low) and ICSP programming voltage |
| Pin 5 | RA2/AN2/C1IN0+/C1IN1+/DAC9OUT/P1C — Bidirectional I/O with analog input, comparator inputs, 9-bit DAC output, PWM output |
| Pin 6 | RA1/AN1/C1IN3-/ICSPCLK/INT — Bidirectional I/O with analog input, comparator input, ICSP clock, external interrupt |
| Pin 7 | RA0/AN0/C1IN+/DACREF/ICSPDAT — Bidirectional I/O with analog input, comparator input, DAC reference, ICSP data |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7/OSC1/CLKIN — Bidirectional I/O / external clock input / crystal oscillator input |
| Pin 10 | RA6/OSC2/CLKOUT — Bidirectional I/O / crystal oscillator output / CPU clock output |
| Pin 11 | RC0 — Bidirectional I/O (Port C bit 0) [DATA_NEEDED: alternate function names] |
| Pin 12 | RC1 — Bidirectional I/O (Port C bit 1) [DATA_NEEDED: alternate function names] |
| Pin 13 | RC2 — Bidirectional I/O (Port C bit 2) [DATA_NEEDED: alternate function names] |
| Pin 14 | RC3 — Bidirectional I/O (Port C bit 3) [DATA_NEEDED: alternate function names] |
Typical Applications
PIC16F753-I/P is suitable for 6 applications: LED Lighting Control, Sensor Signal Conditioning, Small Motor Control (Fan / Pump), Battery Chargers, Low-Power IoT Edge Nodes, Industrial Through-Hole Controllers.
LED Lighting Control
The PIC16F753-I/P is well suited to LED lighting drivers and color-mixing controllers thanks to its integrated 9-bit DAC, multiple PWM channels, and Core Independent Peripherals (CIPs) that handle dimming, color cross-fade, and current regulation in hardware. The 20 MHz CPU runs PID-style feedback loops fast enough for stable dimming without flicker, while the integrated comparators support over-temperature and current-sense protection without external op-amps. At 2V-5.5V operation the MCU can be powered from a single-cell Li-Ion or 3.3V regulated bus, simplifying the analog supply chain. The 14-pin PDIP form factor eases breadboard prototyping, and the 8 MHz INTOSC eliminates the need for an external crystal in cost-sensitive fixtures. Engineers pair the PIC16F753 with companion LED driver ICs (e.g. constant-current regulator and high-side MOSFET) using PWM outputs and the on-chip DAC for analog dim control, achieving high-resolution dimming with minimal external parts.
Recommended
Sensor Signal Conditioning
For sensor signal conditioning nodes, the PIC16F753-I/P integrates the analog front-end and the digital processing in one chip: the on-chip 9-bit DAC biases resistive bridges, comparators threshold thermistor or photodiode outputs, and ADC channels digitize the conditioned signal. The 20 MHz CPU computes linearization, calibration, and digital filtering in real time, and the 128-byte RAM plus 3.5 KB Flash accommodate modest lookup tables and FSM code. Low-power Sleep and peripheral wake-on-interrupt modes enable battery-friendly duty cycling, while the 2V-5.5V operating range supports both 3.3V and 5V analog rails. Pair the MCU with a low-noise LDO (e.g. MCP1700) and a precision analog op-amp (e.g. MCP6001) for the sensor front-end; the CIP architecture means the MCU plus three passives often replaces a discrete analog board, reducing BOM cost and PCB area.
Recommended
Small Motor Control (Fan / Pump)
The PIC16F753-I/P is a strong fit for low-power brushed DC, fan, and small pump control loops because it combines PWM outputs, a fast on-chip comparator for back-EMF sensing, and a 9-bit DAC for programmable reference thresholds. Hardware-level CIP blocks (configurable logic cells, PWM, comparators) generate commutation events autonomously, freeing the 20 MHz CPU for higher-level supervisory tasks like RPM measurement, stall detection, and soft-start ramps. The 14-pin PDIP package simplifies prototyping on a perfboard; the 2V-5.5V supply range allows direct operation from a regulated 5V rail or a single-cell Li-Ion pack. Pair the MCU with a gate driver (e.g. MCP14xx) and an N-channel MOSFET half-bridge, and use the on-chip comparator for current limiting without an external op-amp, achieving compact, BOM-efficient motor control.
Recommended
Battery Chargers
The PIC16F753-I/P can act as a smart controller in linear or switch-mode battery chargers for single-cell Li-Ion, Ni-MH, or sealed lead-acid chemistries. Its integrated 9-bit DAC programs charge-current/voltage setpoints, the on-chip ADC monitors battery voltage and temperature, and the PWM module drives the pass element or DC-DC converter. The 20 MHz CPU executes CC/CV charge profiles and safety timers, while the wide 2V-5.5V supply range suits both 5V USB-powered and pack-mounted configurations. CIPs offload the PWM and comparator handling into hardware, leaving bandwidth for user interfaces like LED status indicators or push-button input. Pair the MCU with an MCP73831 Li-Ion charge controller IC or external power-MOSFET pass element, and use a low-Iq LDO (e.g. MCP1700) for the analog rail.
Recommended
Low-Power IoT Edge Nodes
For low-power IoT edge nodes, the PIC16F753-I/P delivers deterministic 8-bit processing with event-driven Sleep and peripheral wake-on-interrupt modes that minimize average current draw. The 8 MHz INTOSC eliminates external crystals, reducing BOM and board area, while the 3.5 KB Flash and 128-byte RAM accommodate sensor reading, threshold checks, and simple protocol stacks. The integrated 9-bit DAC, comparators, and ADC are ideal for environmental sensor interfaces (temperature, light, moisture). Pair it with a sub-GHz or 2.4 GHz transceiver (e.g. MRF24XA or external radio) and a low-Iq LDO (MCP1700), and the resulting node can run for years on a small primary battery in remote-monitoring deployments.
Recommended
Industrial Through-Hole Controllers
The PIC16F753-I/P in 14-pin PDIP is ideal for industrial through-hole controllers that demand socketed serviceability and robust hand-soldered or wave-soldered assembly. Its -40C to +85C industrial temperature rating, 5.5V absolute maximum supply, and integrated analog peripherals suit factory-floor equipment such as process timers, counter modules, and relay drivers. The PIC16F7XX Harvard RISC architecture provides deterministic interrupt latency for time-critical sequencing, and the 14-bit instruction set is well documented for IEC 61508-style safety reviews. Pair the MCU with an opto-isolated relay driver (e.g. CPC1017N) and a wide-input DC-DC (e.g. TSR 1-2450) to build a complete industrial control module in a few square centimeters of board area.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F753-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F753-I/SO | PIC16F753-E/P | PIC16F1503-I/P | PIC16F1933-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-PDIP (through-hole) | 14-SOIC (surface-mount) | 14-PDIP (same) | 14-PDIP (same) | 14-PDIP (same) |
| Flash Memory | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 3.5 KB (more efficient CIPs) | 7 KB |
| RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 256 bytes |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz |
| Internal Oscillator | 8 MHz INTOSC | 8 MHz INTOSC | 8 MHz INTOSC | 16 MHz HFINTOSC | 16 MHz HFINTOSC |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +85C | -40C to +85C |
| Integrated DAC | 9-bit | 9-bit | 9-bit | 5-bit + 8-bit DACs | 5-bit + 8-bit DACs |
| Lifecycle Status | Active (Newer Device Available) | Active | Active | Active | Active |
Key Differentiators
- Same 14-PDIP footprint across same-brand variants (vs PIC16F753-I/SO)
- Extended-temperature grade option (vs PIC16F753-E/P)
- Upward migration path with more Flash/RAM (vs PIC16F1933-I/P)
Design Notes
Estimated: at VDD=3.3V and an average active current of approximately 2 mA at 20 MHz, the PIC16F753-I/P draws roughly 6.6 mW active. For battery applications, configure the MCU in Sleep mode (typical current in the low-microamp range per the datasheet) and use peripheral interrupts or WDT wake-up. Add a bulk 10uF + 0.1uF ceramic decoupling pair near VDD, and a 0.1uF cap on AVSS if analog peripherals are used, to minimize switching noise on the analog rail.
Route the ICSP signals (ICSPCLK/ICSPDAT) and MCLR/VPP to a 5-pin header so the PICkit 4 or ICD 4 can program/debug without removing the MCU. Keep the crystal/oscillator traces short and guard them with a ground pour to reduce clock jitter. For analog pins (AN0-AN4), separate analog and digital ground return paths and join them at a single star point near VSS to minimize digital switching noise coupling into the ADC/DAC.
Do not forget to set the configuration bits (CONFIG1/CONFIG2) for the correct oscillator source (INTOSC vs. external crystal) and to disable the MCLR pin if not used (or to enable internal weak pull-up). Failure to configure WDT correctly can cause unintended resets; failure to disable analog peripherals not in use increases active current. Always verify the configuration bits in MPLAB X IDE before programming production units, and use the ICD to confirm clock and reset behavior on first prototypes.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Industrial temperature grade (-40C to +85C). For automotive AEC-Q100 qualified variants, consult the Microchip automotive product portfolio.
