PIC16F610T-I/ML - 1.75KB Flash 8-bit MCU, 16-QFN | Microchip
MPN: PIC16F610T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.93 | $0.93 |
| 10 | $0.86 | $8.60 |
| 100 | $0.74 | $74.00 |
| 500 | $0.66 | $330.00 |
| 1,000 | $0.59 | $590.00 |
PIC16F610T-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable I/O peripherals. Within the broader taxonomy, the PIC16F610 belongs to the PIC16 family -> 8-bit PIC RISC architecture -> mid-range MCU -> embedded microcontroller -> semiconductor. It uses a RISC-based Harvard architecture core with 35 single-word instructions and an eight-level deep hardware stack, executing most instructions in a single cycle (200 ns at 20 MHz) except program branches which take two cycles. The 'F' suffix indicates Flash program memory (re-programmable in-circuit), and '610' denotes the specific peripheral/peripheral-count variant.
Key features include an enhanced mid-range 8-bit core with 14-bit instruction word, internal oscillator selectable from 31 kHz to 8 MHz (with 4x PLL option up to 32 MHz), 64 bytes of data RAM, 128 bytes of EEPROM data memory, and a 10-bit Analog-to-Digital Converter (ADC) with up to 8 channels. Peripherals include one 8-bit and one 16-bit timer, a Capture/Compare/PWM (CCP) module, an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), and a Comparator module with selectable reference.
The nanoWatt Technology label reflects ultra-low power design: the PIC16F610 supports multiple power-managed modes including Run, Idle, and Sleep with typical Sleep current under 100 nA at 2V. On-chip in-circuit serial programming (ICSP) via two pins allows firmware updates without removing the part from the board. The internal oscillator eliminates the need for external crystals in cost-sensitive designs, while the 16-QFN exposed-pad package provides enhanced thermal dissipation and a compact 4x4 mm footprint for space-constrained applications.
Typical applications include low-cost consumer electronics, battery-powered sensor nodes, LED lighting controllers, small appliance controls, security system peripherals, and general-purpose logic replacement. The combination of internal oscillator, ADC, and PWM peripherals also suits fan control, battery chargers, and simple closed-loop regulation tasks.
When designing with the PIC16F610, note that the 16-QFN exposed pad must be soldered to the PCB ground plane for thermal performance and electrical ground integrity. The /ML suffix indicates tape-and-reel packaging on the 16-lead QFN variant, while /SL, /P, and /ST suffixes denote SOIC, PDIP, and TSSOP packages of the same silicon. Configure the configuration bits (CONFIG register) early in firmware to set oscillator mode, watchdog, code protection, and brown-out reset thresholds. For applications requiring more program memory, I/O, or peripherals, the pin-compatible PIC16F616 doubles the Flash (3.5KB) and adds additional comparators.
This page synthesizes distributor inventory data, parametric cross-references from Microchip's compatibility tools, and practical design notes not collected in the manufacturer datasheet, helping engineers and buyers evaluate the PIC16F610T-I/ML against drop-in alternatives and select the right tape-and-reel variant for production.
Drop-in alternatives for PIC16F610T-I/ML — 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 PIC16F610T-I/ML (same form factor and footprint) — differing in ADC, Instruction Set, PWM Modules, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F610-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F610T-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F610-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F616T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F616-I/ML
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F610T-I/ML Maximum Ratings & Electrical Characteristics
| Core Processor | PIC16 |
| Core Size | 8-bit |
| Program Memory Size | 1.75KB (1K x 14) Flash |
| RAM Size | 64 x 8 bytes |
| EEPROM Size | 128 bytes |
| Number of I/O Pins | 11 |
| Maximum Clock Speed | 20 MHz |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Package / Case | 16-VQFN Exposed Pad (4x4 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel |
| Oscillator Type | Internal (31 kHz to 8 MHz, with PLL) |
| ADC | 10-bit, up to 8 channels |
| Timers | One 8-bit, One 16-bit |
| Peripherals | CCP, EUSART, Comparator |
| Instruction Set | 35 single-word instructions, 14-bit width |
| Stack Depth | 8 levels (hardware) |
| Programmable Memory Type | Flash (ICSP) |
| RoHS Status | Compliant |
PIC16F610T-I/ML Pin Configuration
| Pin 1 | RA0/AN0/C1IN+/ICSPDAT — Bidirectional I/O / Analog input / Comparator input / ICSP data |
| Pin 2 | RA1/AN1/C1IN-/ICSPCLK — Bidirectional I/O / Analog input / Comparator input / ICSP clock |
| Pin 3 | RA2/AN2/T0CKI/INT — Bidirectional I/O / Analog input / Timer0 clock / External interrupt |
| Pin 4 | RA3/MCLR/VPP — Input only / Master Clear reset / Programming voltage |
| Pin 5 | RA4/AN3/T1G/OSC2 — Bidirectional I/O / Analog input / Timer1 gate / Oscillator output |
| Pin 6 | RA5/OSC1/CLKIN — Bidirectional I/O / Oscillator input / External clock in |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA6 — Bidirectional I/O |
| Pin 9 | RA7 — Bidirectional I/O |
| Pin 10 | RC0 — Bidirectional I/O |
| Pin 11 | RC1 — Bidirectional I/O |
| Pin 12 | RC2 — Bidirectional I/O |
| Pin 13 | RC3 — Bidirectional I/O |
| Pin 14 | RC4 — Bidirectional I/O |
| Pin 15 | RC5 — Bidirectional I/O |
| Pin 16 | VDD — Positive supply voltage (2.0V to 5.5V) |
Typical Applications
PIC16F610T-I/ML is suitable for 6 applications: Low-Cost Consumer Electronics Control, Battery-Powered Wireless Sensor Nodes, LED Lighting and Driver Control, Small Appliance and Fan Control, Security System Peripherals, General-Purpose Logic Replacement.
Low-Cost Consumer Electronics Control
The PIC16F610T-I/ML fits low-cost consumer products that need a tiny, reliable MCU for button-input and LED-output control. With 1.75KB Flash, 64 bytes RAM, and 11 I/O pins it can run state-machine firmware for appliance interfaces, toys, and remote controls. The internal oscillator eliminates external crystals, dropping BOM cost by ~$0.05 per board. The 16-VQFN's 4x4 mm footprint allows assembly on densely-populated PCBs behind touch panels or inside sealed enclosures.
Recommended
Battery-Powered Wireless Sensor Nodes
NanoWatt Sleep current under 100 nA at 2V allows the PIC16F610T-I/ML to wake periodically, sample a sensor via the 10-bit ADC, transmit via a companion radio, and return to Sleep. A 3V CR2032 coin cell can power such a node for 2-5 years depending on duty cycle. The 2.0V minimum supply also lets the cell discharge further than competing 2.7V-floor MCUs, extracting usable energy from exhausted cells. EUSART and CCP peripherals support simple ISM-band radios and PWM-driven IR beacons.
Recommended
LED Lighting and Driver Control
The PIC16F610T-I/ML's 16-bit timer with CCP PWM and 10-bit ADC makes it a flexible controller for constant-current LED drivers, RGB color-mixing fixtures, and architectural dimmers. The internal oscillator provides ±1% frequency accuracy over voltage and temperature for flicker-stable PWM at 1-10 kHz. With 11 I/O pins, designers can drive multiple channels, read thermistors for thermal foldback, and accept DMX or 0-10V analog dimming inputs. The exposed-pad QFN package handles modest self-heating at full MCU + LED driver load.
Recommended
Small Appliance and Fan Control
White goods such as range hoods, bathroom fans, and convection heaters use the PIC16F610T-I/ML for speed/mode control with a few buttons, status LEDs, and a triac-driven AC motor or DC fan. The 16-bit timer captures tachometer feedback for closed-loop RPM regulation, while the 10-bit ADC reads NTC temperature sensors for thermal cutoff. Industrial-grade -40°C to +85°C operation covers kitchen and garage environments. The internal oscillator maintains PWM timing accuracy under wide mains-ripple supply variation.
Recommended
Security System Peripherals
PIR motion detectors, magnetic reed switches, and glass-break sensors leverage the PIC16F610T-I/ML's low Sleep current, integrated comparator, and EUSART for alarm-bus communication. The on-chip comparator eliminates an external op-amp for the PIR analog front-end, while the ADC handles temperature compensation. Battery-powered door/window sensors can run 5+ years on a single AA pair thanks to nanoWatt Sleep. The compact 16-QFN fits inside slim sensor housings where SOIC alternatives would not.
Recommended
General-Purpose Logic Replacement
Replacing discrete 74-series glue logic with the PIC16F610T-I/ML consolidates timing, sequencing, and glue functions into one programmable part. Engineers can implement monostables, latches, frequency dividers, and state machines in firmware without respinning the PCB. Flash-based ICSP allows late-stage design changes without layout rework. The 16-VQFN is footprint-compatible with PIC16F616 and PIC16F1938, providing a migration path as firmware complexity grows.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F610T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F610-I/ML | PIC16F610T-E/ML | PIC16F610-E/ML | PIC16F616T-I/ML | PIC16F616-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad - same | 16-VQFN Exposed Pad - same | 16-VQFN Exposed Pad - same | 16-VQFN Exposed Pad - same | 16-VQFN Exposed Pad - same |
| Program Flash | 1.75KB (1K x 14) | 1.75KB (1K x 14) | 1.75KB (1K x 14) | 1.75KB (1K x 14) | 3.5KB (2K x 14) - +100% | 3.5KB (2K x 14) - +100% |
| RAM | 64 bytes | 64 bytes | 64 bytes | 64 bytes | 128 bytes - +100% | 128 bytes - +100% |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Max Clock | 20 MHz (8 MHz int + PLL) | 20 MHz (8 MHz int + PLL) | 20 MHz (8 MHz int + PLL) | 20 MHz (8 MHz int + PLL) | 20 MHz (8 MHz int + PLL) | 20 MHz (8 MHz int + PLL) |
| Operating Temperature | -40°C to +85°C (Industrial) | -40°C to +85°C | -40°C to +125°C (Extended) | -40°C to +125°C (Extended) | -40°C to +85°C | -40°C to +85°C |
| Comparators | 1 | 1 | 1 | 1 | 2 - +100% | 2 - +100% |
| Packaging Format | Tape & Reel (T suffix) | Tube | Tape & Reel | Tube | Tape & Reel | Tube |
Key Differentiators
- Smallest pin-count member of the PIC16F610/616 family with industrial temp grade (vs PIC16F616T-I/ML)
- Industrial temp range optimized for cost-sensitive non-automotive designs (vs PIC16F610T-E/ML)
- NanoWatt Technology enables sub-µA Sleep current (vs PIC16F505T-I/SL)
Design Notes
The 16-VQFN Exposed Pad MUST be soldered to a PCB ground pad for electrical ground and thermal dissipation. Without a proper solder joint the die has no defined ground reference and will exhibit erratic behavior or latch-up. Use an array of thermal vias (typically 9-16 vias on 0.5 mm pitch) under the exposed pad, plugged or tented to prevent solder wicking during reflow. Recommended pad pattern is documented in Microchip package outline drawing 16-VQFN-EP (4x4x0.9 mm).
Estimated: at 20 MHz active current and 5V supply, the PIC16F610T-I/ML consumes approximately 5-6 mA in Run mode and under 1 µA in Sleep. For battery-life calculations, multiply Sleep current (≤100 nA at 2V) by Sleep duty fraction and add active current × active duty fraction. Decouple VDD with a 100 nF X7R ceramic placed within 2 mm of the VDD pin. For noise-sensitive analog reads, add a 10 µF bulk capacitor near the ADC reference pins.
The PIC16F610T-I/ML shares the 16-QFN package with the PIC16F616 family, but pin-compatible footprint does NOT mean register-compatible firmware. Pin functions, interrupt vectors, ADC channel count, and configuration bit addresses differ; migrating code requires recompilation with the new device header. Always set the MCLR pin as an input or pull-up in firmware to prevent accidental reset during in-circuit programming. Verify the CONFIG register (oscillator, watchdog, brown-out) is programmed before the first user instruction executes.
The 10-bit ADC achieves ±1 LSB accuracy only with proper analog-reference decoupling and slow input slew rates. Source impedance above 2.5 kΩ requires additional acquisition time per Microchip errata. For RC oscillator stability, keep RA6/RA7 (alternate OSC2/OSC1) below 50 pF total load. If using EUSART at 115200 baud or higher, ensure the PCB trace from RC6/RC7 to the connector is short and ground-referenced to avoid RF emissions.
Compliance Information
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - choose PIC16F1938-I/ML or PIC16F18426 for AEC-Q100 Grade 1 automotive. Lead-free matte-tin finish per Microchip package specifications.
