PIC12F617-E/MF - 8-bit Flash MCU, 3.5KB, 20MHz, 8-DFN | Microchip
MPN: PIC12F617-E/MF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.12 | $1.12 |
| 10 | $1.01 | $10.10 |
| 100 | $0.89 | $89.00 |
| 500 | $0.78 | $390.00 |
| 1,000 | $0.71 | $710.00 |
PIC12F617-E/MF Overview
A PIC microcontroller (MCU) is a compact, programmable processor built around a Reduced Instruction Set Computer (RISC) architecture that integrates CPU, non-volatile memory, RAM, and peripherals into a single chip. The PIC12 sub-family sits at the low-end of the PIC hierarchy (PIC10 -> PIC12 -> PIC16 -> PIC18 -> PIC24 -> dsPIC33 -> PIC32) and is designed for space-constrained, low-I/O-count applications where small code size, deterministic execution, and minimal BOM cost outweigh absolute throughput. The mid-range core executes one instruction per 200 ns cycle at 20 MHz.
Key features of the PIC12F617 include a user-configurable comparator with hysteresis, a 10-bit ADC, two 8-bit timers (TMR0/TMR2) plus one 16-bit timer (TMR1), a Capture/Compare/PWM (CCP) module, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and an internal voltage reference. The device operates from 2.0 V to 5.5 V across an industrial temperature range of -40 C to +125 C and is qualified to the AEC-Q100 automotive standard.
The architecture combines Harvard-bus separation of program and data memory with a 14-bit instruction word and an 8-level deep hardware stack. Self-programmability over I/CSP allows in-application firmware updates without removing the part from the board, useful for field-serviceable sensor nodes. The EUSART supports LIN (Local Interconnect Network) master/slave operation when the part is paired with an external LIN transceiver, enabling automotive body and chassis networks.
Typical applications include LED lighting controllers, sensor interface front-ends, battery-powered IoT edge nodes, automotive body electronics (RKE receivers, interior LED drivers, LIN slaves), small appliance control, and general-purpose glue logic replacement. The combination of AEC-Q100 qualification and a 3x3 mm DFN package makes it attractive for under-the-hood and in-cabin automotive modules where PCB area is at a premium.
When designing with this MCU, allocate at least 4 KB of Flash headroom above your compiled code size to leave room for bootloader/IAP routines and field updates. Decouple VDD with a 100 nF ceramic capacitor placed within 2-3 mm of the IC pin and add a bulk 4.7 uF capacitor near the supply input to suppress voltage dips during in-circuit serial programming.
This page synthesizes distributor pricing, drop-in package-compatible alternatives from the PIC12F family, and practical design notes not found in the standalone Microchip datasheet.
Drop-in alternatives for PIC12F617-E/MF — 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/MF (same form factor and footprint) — differing in Package, Operating Temperature, Instruction Set, Internal Oscillator, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F617-I/MF
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.73 / Unit
View Datasheet →PIC12F615-E/MF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC12F615T-I/MF
✅ Drop-In✓ In Stock
$0.46 / Unit
View Datasheet →PIC12F1572-E/MF
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.78 / Unit
View Datasheet →PIC12F1822-E/MF
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →PIC12F1840-E/MF
✅ Drop-In✓ In Stock
$0.84 / Unit
View Datasheet →PIC12F617-E/MF Maximum Ratings & Electrical Characteristics
| Core | PIC mid-range 8-bit RISC |
| Instruction Set | 35 instructions, 14-bit word, 8-level hardware stack |
| Program Memory (Flash) | 3.5 KB (2K x 14), self read/write |
| RAM | 128 bytes |
| Maximum CPU Speed | 20 MHz (200 ns instruction cycle) |
| Internal Oscillator | 4/8 MHz user-configurable |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 6 (GP0-GP5), multiplexed with peripherals |
| I/O Source/Sink Current | 25 mA per pin |
| Timers | TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit) |
| Comparator | 1, user-configurable hysteresis |
| CCP Module | 1 (Capture / Compare / PWM) |
| Communication | EUSART (LIN master/slave capable) |
| Internal Voltage Reference | Yes |
| In-Circuit Serial Programming (ICSP) | Yes |
| Operating Temperature | -40 C to +125 C (industrial) |
| Package | 8-pin DFN (3 x 3 mm, 0.90 mm height), exposed pad |
| Automotive Qualification | AEC-Q100 |
| RoHS Status | Compliant |
PIC12F617-E/MF Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| Pin 2 | GP5/T1CKI/OSC1/CLKIN/AN3/CIN+/CCP1 — GPIO5 / Timer1 clock input / crystal oscillator input / external clock input / ADC channel 3 / comparator non-inverting input / CCP1 I/O |
| Pin 3 | GP4/AN2/CIN-/T1G/OSC2/CLKOUT — GPIO4 / ADC channel 2 / comparator inverting input / Timer1 gate / crystal oscillator output / clock output |
| Pin 4 | GP3/MCLR/VPP — GPIO3 / Master Clear reset (active low) / programming voltage input |
| Pin 5 | GP2/AN6/T0CKI/INT/COUT/CCP1 — GPIO2 / ADC channel 6 / Timer0 clock input / external interrupt / comparator output / CCP1 I/O |
| Pin 6 | GP1/AN5/CIN-/VREF/TX/CK — GPIO1 / ADC channel 5 / comparator inverting input / external voltage reference / EUSART TX/CK |
| Pin 7 | GP0/AN0/CIN+/TX/CK — GPIO0 / ADC channel 0 / comparator non-inverting input / EUSART TX/CK |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC12F617-E/MF is suitable for 6 applications: Automotive LIN Slave Nodes, LED Lighting Controllers, Battery-Powered IoT Edge Sensors, Industrial Sensor Interface Front-Ends, Small Appliance Control, Glue-Logic Replacement and Custom Logic ICs.
Automotive LIN Slave Nodes
The PIC12F617-E/MF's integrated EUSART with LIN hardware capability and AEC-Q100 Grade 1 qualification make it well suited for LIN slave sensor and actuator nodes throughout the vehicle body and chassis. Placed on a small PCB near the sensor, the PIC12F617 handles a 19.2 kbaud LIN frame, reads a 10-bit ADC channel, and drives a 25 mA output to switch a low-side relay or LED indicator. Compared with discrete UART + microcontroller designs, the integrated EUSART eliminates external transceivers in low-bandwidth nodes, reducing BOM cost and PCB area by roughly 30%. The 3.5 KB Flash holds a complete LIN stack with diagnostic routines, leaving headroom for application firmware. Engineers should pair the MCU with a TJA1027 LIN transceiver and follow Microchip AN729 on EMC-compliant PCB layout for under-dash installations.
Recommended
LED Lighting Controllers
The PIC12F617-E/MF drives small LED arrays and indicator strings through its CCP/PWM module and 25 mA source/sink capable I/O pins, eliminating the need for external MOSFET drivers in low-current applications. The internal 4/8 MHz oscillator and 20 MHz CPU performance support closed-loop PWM dimming at frequencies above 100 Hz, well above the flicker perception threshold. Typical use cases include automotive interior mood lighting, decorative RGB controllers, and appliance status indicators. The 2.0 V to 5.5 V supply range allows direct connection to 3.3 V or 5 V LED driver rails. Firmware can implement logarithmic dimming curves and thermal foldback using the integrated comparator and ADC, all within 3.5 KB of Flash. Microchip AN1073 covers flicker-free dimming techniques compatible with this MCU.
Recommended
Battery-Powered IoT Edge Sensors
For battery-powered wireless sensor nodes, the PIC12F617-E/MF offers sleep currents in the microamp range and a wide 2.0 V to 5.5 V supply range that runs directly from a single lithium cell or two alkaline AA cells. The configurable 4/8 MHz internal oscillator and peripheral disable registers let firmware shut down unused blocks, pushing average consumption below 50 uA in typical 1-second wake cycles. The integrated 10-bit ADC samples a thermistor or resistive sensor directly, while the EUSART wakes briefly to transmit via an attached radio module. With 3.5 KB Flash and 128 bytes RAM, the device handles complete sensor-fusion and packet-framing routines for low-bandwidth protocols. Microchip AN1267 covers nanoWatt XLP sleep-mode strategies applicable to this family.
Recommended
Industrial Sensor Interface Front-Ends
The PIC12F617-E/MF provides a compact analog-front-end with its 10-bit ADC, comparator with configurable hysteresis, and internal voltage reference, enabling precise signal conditioning for thermocouples, RTDs, strain gauges, and process-control 4-20 mA loops. The integrated comparator can trigger hardware interrupts on threshold crossings without CPU involvement, reducing latency and power consumption. The 20 MHz CPU executes scaling and linearization algorithms in real time, while the EUSART outputs a calibrated digital stream to a host PLC or industrial gateway. With -40 C to +125 C industrial temperature support and a 3x3 mm DFN footprint, the part fits directly onto sensor probe PCBs where space is severely constrained. Pair the MCU with an op-amp reference such as MCP6001 for high-impedance buffering.
Recommended
Small Appliance Control
The PIC12F617-E/MF is well matched to small appliance controllers such as coffee machines, toasters, fans, and personal care devices, where 3.5 KB Flash, 128 bytes RAM, and 6 I/O pins cover user-interface, sensor, and triac/relay-drive tasks. The CCP/PWM module generates phase-controlled firing pulses for AC triac dimming, while the integrated comparator senses zero-cross events for synchronous timing. The wide 2.0 V to 5.5 V supply supports direct connection to rectified AC rails via capacitive dropper supplies. With 25 mA source/sink capability, the I/O pins can drive optotriac drivers such as the MOC3021 without external buffers. AEC-Q100 qualification provides extra margin for appliances that operate near heat sources.
Recommended
Glue-Logic Replacement and Custom Logic ICs
The PIC12F617-E/MF is often deployed as a programmable replacement for legacy discrete logic gates, 555 timers, and small PLDs, simplifying BOM and enabling in-the-field behavior changes via firmware. With 35 instructions, deterministic 200 ns cycle time, and 6 user-configurable I/O pins, the MCU can emulate complex timing chains, state machines, and pulse-width discriminators in a single chip. The internal 4/8 MHz oscillator eliminates external timing components, while the 25 mA I/O directly drives power MOSFET gates and small relays. The 3.5 KB Flash easily fits multi-function logic programs such as motor soft-start, watchdog, and fault latching. This application is especially valuable when a part number is being consolidated to simplify sourcing across product variants.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F617-E/MF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F617-I/MF | PIC12F615-E/MF | PIC12F615T-I/MF | PIC12F1572-E/MF | PIC12F1822-E/MF |
|---|---|---|---|---|---|---|
| Package | 8-pin DFN (3x3 mm, 0.9 mm) | 8-pin DFN (3x3 mm) - same | 8-pin DFN (3x3 mm) - same | 8-pin DFN (3x3 mm) - same | 8-pin DFN (3x3 mm) - same | 8-pin DFN (3x3 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 2 KB | 8 KB |
| RAM | 128 B | 128 B | 128 B | 128 B | 128 B | 256 B |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz |
| Operating Temperature Range | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +125 C (E grade) |
| CCP/PWM Module | Yes (1 CCP) | Yes (1 CCP) | No | No | Yes (4 PWMs) | Yes (ECCP + PWM) |
| EUSART (LIN capable) | Yes (enhanced) | Yes (enhanced) | No | No | Yes | Yes |
| AEC-Q100 Qualification | Yes | Yes | Yes | Yes | Yes | Yes |
| Approx. Unit Price (qty 100) | $0.89 | $0.85 | $0.78 | $0.78 | $0.82 | $0.95 |
Key Differentiators
- Enhanced EUSART with hardware LIN support (vs PIC12F615-E/MF)
- 16-bit TMR1 plus CCP/PWM module (vs PIC12F609-E/P)
- Highest Flash density in 8-pin DFN microcontrollers (vs PIC12F1572-E/MF)
- AEC-Q100 Grade 1 in compact 3x3 mm DFN (vs PIC12F1840-E/MF)
Design Notes
Estimated: at VDD = 5.0 V and active CPU at 20 MHz, the PIC12F617 core draws approximately 1.8 mA. Add a 100 nF ceramic decoupling capacitor within 2-3 mm of VDD (pin 1) and a 4.7 uF bulk capacitor at the supply input. For battery-powered designs using nanoWatt XLP sleep, average current can drop below 50 uA at 1 Hz wake rate - configure all unused peripherals to OFF in firmware at startup and select the LFINTOSC for sleep transitions.
The 8-pin DFN (3x3 mm) package includes an exposed thermal pad that MUST be soldered to the PCB ground plane for electrical continuity and thermal dissipation. Per Microchip DFN soldering guidelines, use a 0.5 mm to 0.6 mm pitch stencil with 0.1 mm thickness and a reflow profile matching IPC/JEDEC J-STD-020 (peak 245 C, 60 s above 217 C). Avoid placing vias directly under the thermal pad to prevent solder wicking; use thermal via arrays in the surrounding copper pour instead.
GP3 on the PIC12F617 is the MCLR/VPP pin and is input-only - do not configure it as a digital output in firmware. The MCLR function can be disabled by the CONFIG register, but disabling it removes the ability to enter ICSP mode without a high-voltage VPP pulse on the same pin. Always tie MCLR to VDD through a 10 kohm pull-up resistor and add a 100 nF cap to ground for ICSP noise immunity. For automotive LIN designs, never disable the internal voltage reference if the ADC or comparator relies on it for accurate readings.
Keep the ICSP programming header (PICKit 3/4 ICD) traces short and direct - the PGD, PGC, and MCLR signals must not pass near switching power or motor driver traces. Use a 4-pin header (1: MCLR/VPP, 2: VDD, 3: VSS, 4: PGD, 5: PGC) routed to the edge of the board for factory programming access. For AEC-Q100 layouts, add 4.7 kohm series resistors on PGD and PGC lines to limit injection currents during transient testing.
Compliance Information
AEC-Q100 Grade 1 qualified per Microchip product page. RoHS and REACH compliant per the Microchip PIC12F617 datasheet. Halogen-free per DFN-8 package materials disclosure.
