PIC12F617-E/P - 8-Bit 20MHz MCU 3.5KB Flash 8-PDIP | Microchip
MPN: PIC12F617-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.66 | $1.66 |
| 10 | $1.49 | $14.90 |
| 100 | $1.32 | $132.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC12F617-E/P Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripheral interfaces into one package. Within the broader taxonomy, the PIC12F617 sits at the entry-level of the PIC12 mid-range family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 8-bit RISC Harvard architecture executes instructions in a single cycle (200 ns at 20 MHz), and only 35 single-word instructions are required to program the device, simplifying firmware development. PIC microcontrollers dominate cost-sensitive 8-bit applications where deterministic real-time behavior and small package size are critical.
Key features of the PIC12F617-E/P include: enhanced Capture/Compare/PWM (ECCP) with auto-shutdown, a comparator module with programmable reference, 5 timer modules, brown-out reset (BOR), power-on reset (POR), and a watchdog timer (WDT). The on-chip 10-bit ADC provides four external analog inputs, enabling direct sensor interfacing without external signal conditioning. The internal 8 MHz oscillator with PLL option eliminates the need for an external crystal, reducing BOM cost and board area.
The 8-pin PDIP package offers 6 usable I/O lines (RA0-RA5, with RA3 input-only), 1 VDD pin, 1 VSS pin, and the MCLR/RA5 pin. The 0.300" through-hole form factor (7.62 mm body width) supports prototyping, breadboards, hand-soldered designs, and legacy through-hole production lines. Programming is supported via the In-Circuit Serial Programming (ICSP) interface, allowing in-system firmware updates.
Typical applications include LED driver controllers, small sensor signal conditioning, low-end PWM motor control (fans, small solenoids), battery chargers, and replacement of discrete logic. The combination of internal oscillator, ADC, PWM, and comparator enables single-chip solutions for closed-loop analog control loops. When migrating from an 8-bit baseline PIC such as the PIC12F508/509/615 family, the PIC12F617 provides an upgrade path with more peripherals, Flash memory, and analog integration.
Drop-in alternatives for PIC12F617-E/P — 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 PIC12F617-E/P (same form factor and footprint) — differing in Timers, I/O Pins, Internal Oscillator, Comparators, Data EEPROM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F617-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.14 / Unit
View Datasheet →PIC12F615-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.74 / Unit
View Datasheet →PIC12F1822-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.05 / Unit
View Datasheet →PIC12F519-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.73 / Unit
View Datasheet →PIC12F609-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.78 / Unit
View Datasheet →PIC12F617-E/P Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-Bit |
| Maximum Clock Speed | 20 MHz |
| Program Memory Type | Flash |
| Program Memory Size | 3.5 KB (2K x 14) |
| RAM Size | 128 B |
| Data EEPROM | 0 B (no on-chip EEPROM) |
| Number of I/O | 6 |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Operating Temperature Range | -40C to +125C (Extended, -E suffix) |
| Package / Case | 8-DIP (0.300", 7.62 mm) |
| Mounting Type | Through Hole |
| ADC | 10-bit, 4 channels |
| Timers | 5 (1x 8-bit, 2x 16-bit, 1x WDT, 1x ECCP time base) |
| PWM Channels | 1 (Enhanced CCP) |
| Comparators | 1 (with programmable voltage reference) |
| Internal Oscillator | 8 MHz with PLL option |
| Connectivity | ICSP (In-Circuit Serial Programming) |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RoHS Status | Compliant |
PIC12F617-E/P Pin Configuration
| Pin 1 | VDD — Positive power supply (2.0V to 5.5V) |
| Pin 2 | GP5/T1CKI/OSC1/CLKIN — General-purpose I/O / Timer1 clock / oscillator input |
| Pin 3 | GP4/AN3/T1G/OSC2/CLKOUT — General-purpose I/O / ADC ch3 / Timer1 gate / oscillator output |
| Pin 4 | GP3/MCLR/VPP — General-purpose input only / Master Clear reset / programming voltage |
| Pin 5 | GP2/AN2/INT/COUT/CCP1 — General-purpose I/O / ADC ch2 / external interrupt / comparator output / ECCP PWM output |
| Pin 6 | GP1/AN1/CIN-/VREF/ICSPCLK — General-purpose I/O / ADC ch1 / comparator in- / Vref / ICSP clock |
| Pin 7 | GP0/AN0/CIN+/ICSPDAT — General-purpose I/O / ADC ch0 / comparator in+ / ICSP data |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC12F617-E/P is suitable for 7 applications: LED Lighting Driver Controller, Battery-Powered Sensor Signal Conditioner, Small DC Motor / Fan Speed Controller, Battery Charger State-of-Charge Controller, Discrete Logic Replacement / Glue Logic, Home Appliance User Interface Controller, Industrial Sensor Transmitter (4-20mA Loop).
LED Lighting Driver Controller
The PIC12F617-E/P fits small LED lighting drivers because its enhanced CCP (ECCP) module with auto-shutdown provides hardware PWM current control for LED dimming, while the 10-bit ADC with 4 channels enables direct photodiode or current-sense feedback. With the part running at 20 MHz from a 3.3V or 5V supply, a single chip can implement closed-loop constant-current LED drive plus status UART or DALI/0-10V interface. The internal 8 MHz oscillator eliminates the external crystal, reducing BOM to a few resistors and a MOSFET. Internal brown-out reset and watchdog timer ensure reliable operation in lighting fixtures that may experience brown-out during AC mains dips.
Recommended
Battery-Powered Sensor Signal Conditioner
The PIC12F617-E/P is well suited to battery-powered sensor signal conditioning thanks to its 2.0V-5.5V supply range, sub-50nA sleep current, and on-chip 10-bit ADC with 4 input channels. The internal 8 MHz oscillator with PLL option means no external crystal is required, and the analog comparator with programmable voltage reference enables threshold-based wake-up without waking the CPU. The part can run directly from a 2xAA battery pack (3V nominal) or a single CR2032 (with sleep mode duty-cycling). The combination of Flash, ADC, comparator, and PWM in an 8-pin package supports a complete sensor node in a single chip.
Recommended
Small DC Motor / Fan Speed Controller
For small DC motor and fan speed control, the PIC12F617-E/P delivers the key peripherals in a single chip: ECCP for hardware PWM speed control, 10-bit ADC for tachometer or back-EMF feedback, and analog comparator for zero-crossing detection. The 20 MHz clock supports 10-bit PWM resolution at typical 20 kHz switching frequency, which keeps the motor inaudible while providing fine speed granularity. The 8-pin PDIP package is ideal for hand-soldered prototypes and through-hole production. The -40C to +125C extended temperature grade is required for under-hood automotive fan and HVAC blower applications.
Recommended
Battery Charger State-of-Charge Controller
The PIC12F617-E/P can implement a single-chip NiMH or Li-ion charger controller: the 10-bit ADC monitors battery voltage and charge current, the ECCP drives a switching MOSFET for current regulation, and the analog comparator implements end-of-charge detection. The internal oscillator reduces external components, and Flash memory allows field firmware updates if the charge algorithm is tuned. The extended -40C to +125C range is essential for automotive and industrial charging environments. The 8-pin PDIP is a low-cost prototype form factor that translates easily to surface-mount (MSOP/SOIC) for production.
Recommended
Discrete Logic Replacement / Glue Logic
The PIC12F617-E/P is frequently used as a discrete logic replacement to consolidate 74HC00-series gates, counters, and shift registers into a single re-programmable chip. With 3.5 KB of Flash and 6 I/O pins, the device can replace 2-4 logic ICs on a legacy board while adding firmware-defined behavior (configurable timing, custom I/O mapping). Flash memory also enables late-stage design changes that would be impossible with discrete logic. The 8-pin PDIP is a drop-in form factor for retrofit boards and through-hole legacy designs.
Recommended
Home Appliance User Interface Controller
The PIC12F617-E/P is well suited to home appliance user interface (UI) control panels, where the 10-bit ADC reads resistive touch or potentiometer inputs, the ECCP drives LED brightness or piezo buzzer tones, and the 8 MHz internal oscillator provides deterministic response time. The 8-pin PDIP is easy to hand-solder for low-volume appliance production. The -40C to +125C extended temperature grade is required for kitchen and laundry appliances. Flash memory allows last-minute UI customization for different SKUs and regional variants.
Recommended
Industrial Sensor Transmitter (4-20mA Loop)
The PIC12F617-E/P can implement a 4-20mA current-loop sensor transmitter with a single chip: the 10-bit ADC reads a sensor, the ECCP drives the loop current via an op-amp + pass transistor, and the analog comparator provides loop fault detection. The 2.0V minimum supply is compatible with loop-powered designs that step down the 12-24V loop voltage. The -40C to +125C range covers outdoor and process-industry environments. The 8-pin PDIP supports legacy through-hole industrial panel designs and is easily hand-soldered in low-volume industrial SKUs.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F617-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F617-I/P | PIC12F615-E/P | PIC12F1822-E/P | PIC12F519-E/P | PIC12F609-E/P |
|---|---|---|---|---|---|---|
| Package | 8-DIP (0.300") | 8-DIP (0.300") - same | 8-DIP (0.300") - same | 8-DIP (0.300") - same | 8-DIP (0.300") - same | 8-DIP (0.300") - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 1.5 KB OTP EPROM | 1 KB Flash |
| RAM | 128 B | 128 B | 128 B | 128 B | 41 B | 64 B |
| Max Clock | 20 MHz | 20 MHz | 20 MHz | 32 MHz | 20 MHz | 20 MHz |
| ADC | 10-bit, 4 ch | 10-bit, 4 ch | 10-bit, 4 ch | 10-bit, 4 ch | None | None |
| ECCP / PWM | Yes (ECCP w/ auto-shutdown) | Yes (ECCP) | No ECCP auto-shutdown | Yes (multiple PWM) | No | No |
| Comparator | Yes (with Vref) | Yes | No | Yes | No | No |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Memory Type | Flash (re-programmable) | Flash | Flash | Flash | OTP EPROM (one-time) | Flash |
Key Differentiators
- ECCP module with hardware auto-shutdown for safety-critical PWM (vs PIC12F615-E/P)
- On-chip analog comparator with programmable voltage reference (vs PIC12F609-E/P)
- Flash memory with 100k erase/write cycles and ICSP re-programming (vs PIC12F519-E/P)
Design Notes
The PIC12F617-E/P has a wide 2.0V-5.5V supply range. For 5V systems, add a 0.1uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 1) and VSS pin (pin 8). For battery-powered designs below 3.3V, ensure the VDD rise time during power-up is faster than the BOR release time (typ. 1.5 ms) to avoid spurious reset. Estimated: at 5V / 20 MHz, active current is ~0.8 mA per Microchip datasheet 41302D electrical characteristics; with 50% duty cycle PWM on ECCP, the average current stays close to 0.8 mA.
Pin 4 (GP3/MCLR/VPP) is input-only on the PIC12F617 - configuring it as an output in firmware will not work even though the datasheet pinout shows it as a general-purpose pin. This is a common bug when porting code from 14-pin or 20-pin PIC12/16 parts. Also, the MCLR function is enabled by default; if not used, the pin must be tied to VDD through a 10k resistor, otherwise the part will not leave reset state. Programming via ICSP requires GP0/GP1 to be free or properly isolated from the application circuit during programming voltage application on MCLR.
Place the ICSP connector or test points on GP0 (ICSPDAT, pin 7) and GP1 (ICSPCLK, pin 6) so firmware can be updated in-circuit without removing the MCU from the board. The 8-pin PDIP package has only 6 I/O - plan the pinout carefully because GP3 cannot be used as a digital output. For noise-sensitive analog applications, keep the AVSS pin (VSS, pin 8) return path separate from high-current switching loads driven by the ECCP output (GP2/CCP1) - use a star-ground or a ferrule to prevent digital switching noise from coupling into the ADC reference.
Compliance Information
RoHS compliant per Microchip product page. The -E extended temperature grade (-40C to +125C) is not the same as AEC-Q100 automotive qualification; for AEC-Q100 qualified automotive variants consult Microchip's automotive-grade PIC portfolio.
