PIC16F1704T-I/SL - 8-Bit 32MHz MCU 7KB Flash | Microchip
MPN: PIC16F1704T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.54 | $1.54 |
| 10 | $1.39 | $13.90 |
| 100 | $1.21 | $121.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
PIC16F1704T-I/SL Overview
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating CPU, RAM, Flash program memory and peripherals into one device. PIC microcontrollers (Peripheral Interface Controllers) use a RISC architecture with a small instruction set optimized for deterministic, low-power embedded control. The PIC16F1704 sits within Microchip's PIC16F1xxx enhanced mid-range product line, between the 8-bit baseline PIC10/12/16 families and 16-bit PIC24/dsPIC parts, and is targeted at cost-sensitive applications needing integrated analog.
Key features of the PIC16F1704 include on-chip operational amplifiers (up to 2), a 10-bit ADC with up to 8 channels, an 8-bit DAC, two high-speed comparators, Core Independent Peripherals (CLC, COG, Zero-Cross Detect), PWM modules, CCP, and serial interfaces (EUSART, I2C, SPI). It also offers Peripheral Pin Select (PPS) for flexible signal routing and XLP (eXtreme Low Power) technology with nanoWatt sleep current as low as 50 nA typical.
The PIC16F1704's enhanced mid-range core with a 14-bit instruction word delivers 8 MIPS at 32 MHz while preserving code compatibility with PIC10/12/16 baseline cores. Internal 32 MHz oscillator accuracy eliminates external crystal cost in many designs, and PPS allows designers to remap peripheral I/O to multiple physical pins - a significant advantage over older fixed-pin PIC parts.
Typical applications include sensor signal conditioning with on-chip op-amps, LED lighting control with COG/CLC, battery chargers, motor control loops, low-power IoT edge nodes, and consumer white goods. The integrated analog front-end reduces external component count versus PIC16F1xxx parts without op-amps.
When designing with this device, place a 0.1 uF decoupling capacitor within 5 mm of VDD, add a 10 uF bulk capacitor on VDD if the supply impedance exceeds 1 ohm, and use the PPS registers to route peripherals only to available remappable pins. Program the configuration words to set the oscillator mode, WDT, and code-protect before final code lock-down.
This page synthesizes distributor pricing, drop-in Microchip same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for PIC16F1704T-I/SL — 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 PIC16F1704T-I/SL (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Core, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1704-I/SL
✅ Drop-In✓ In Stock
$0.97 / Unit
View Datasheet →PIC16F1704-E/P
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F1704-E/SL
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1705-I/SL
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.1 / Unit
View Datasheet →PIC16F1615-I/SL
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1575-I/SL
✅ Drop-In✓ In Stock
$0.93 / Unit
View Datasheet →PIC16F1704T-I/SL Maximum Ratings & Electrical Characteristics
| Core | PIC16F enhanced mid-range 8-bit RISC |
| Instruction Set | 8-bit data / 14-bit instruction word |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage Range | 2.3 V to 5.5 V |
| I/O Pins | 12 (max) |
| ADC | 10-bit, up to 8 channels |
| DAC | 8-bit, 1 channel |
| Comparators | 2 high-speed |
| Operational Amplifiers | 2 on-chip |
| PWM / CCP | PWM with CCP |
| Core Independent Peripherals | CLC, COG, Zero-Cross Detect |
| Serial Interfaces | EUSART, I2C, SPI |
| Peripheral Pin Select (PPS) | Yes |
| XLP nanoWatt Sleep Current | 50 nA typical (per Microchip datasheet) |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 14-pin SOIC (SL) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC16F1704T-I/SL Pin Configuration
| Pin 1 | RA5/AN4/CPS7/CLCIN3/T1CKI/PPS — GPIO/ADC/CLC input/Timer1 clock/PPS |
| Pin 2 | RA4/AN3/CPS6/CLCIN2/PPS — GPIO/ADC/CLC input/PPS |
| Pin 3 | RA3/MCLR/VPP — GPIO / Master Clear (reset) / ICSP programming voltage |
| Pin 4 | VSS — Ground reference |
| Pin 5 | RC0/AN8/PPS — GPIO/ADC/PPS |
| Pin 6 | RC1/AN9/PPS — GPIO/ADC/PPS |
| Pin 7 | RC2/AN10/DACOUT1/PPS — GPIO/ADC/DAC output/PPS |
| Pin 8 | RC3/AN11/CPS9/CLCIN4/PPS — GPIO/ADC/CLC input/PPS |
| Pin 9 | RC4/PPS — GPIO/PPS |
| Pin 10 | RC5/PPS — GPIO/PPS |
| Pin 11 | VDD — Positive power supply (2.3V to 5.5V) |
| Pin 12 | RA2/AN2/CPS5/OPA1OUT/PPS — GPIO/ADC/op-amp 1 output/PPS |
| Pin 13 | RA1/AN1/OPA1IN-/CPS4/PPS — GPIO/ADC/op-amp 1 inverting input/PPS |
| Pin 14 | RA0/AN0/OPA1IN+/CPS3/PPS — GPIO/ADC/op-amp 1 non-inverting input/PPS |
Typical Applications
PIC16F1704T-I/SL is suitable for 7 applications: Sensor Signal Conditioning, LED Lighting Control, Battery-Powered IoT Edge Node, Motor Control and BLDC Drivers, Consumer White Goods and Appliances, Industrial Sensor and Process Monitoring, Battery Charger and Power Management.
Sensor Signal Conditioning
The PIC16F1704T-I/SL's two on-chip operational amplifiers, 10-bit ADC, 8-bit DAC, and 2 high-speed comparators make it ideal for analog sensor signal conditioning. Place the op-amps as low-noise front-end buffers for thermocouples, RTDs, or photodiodes, then route the conditioned signal directly into the 8-channel 10-bit ADC - eliminating a separate analog front-end IC. Compared to discrete op-amp + MCU solutions, this reduces BOM cost by $0.30-$0.50 and shrinks PCB area. The 32 MHz core runs the ADC acquisition and digital filtering at 8 MIPS, leaving ample headroom for housekeeping. XLP sleep currents below 1 uA extend battery life in periodic-sense applications such as wireless environmental monitors.
Recommended
LED Lighting Control
The PIC16F1704T-I/SL's Core Independent Peripherals (CLC, COG, Zero-Cross Detect) and PWM modules deliver deterministic LED dimming and color-mixing without CPU intervention. Configure COG (Configurable Logic Cell) to generate complementary PWM dead-band timing for high-power LED strings, while ZCD synchronizes phase-angle dimming to AC line zero crossings. The 32 MHz core runs 8 MIPS, sufficient to manage WS2812-style addressable LEDs via SPI bit-bang or EUSART. XLP nanoWatt sleep current (~50 nA typical) extends battery life in portable lighting products. Compared to a discrete LED driver + MCU, this single-chip solution reduces board space by ~30% and lowers total BOM cost.
Recommended
Battery-Powered IoT Edge Node
The PIC16F1704T-I/SL's nanoWatt XLP sleep currents down to 50 nA typical and fast 8 MIPS wake-up make it well-suited for battery-powered IoT edge nodes such as remote sensors, smart-home peripherals, and asset trackers. Sleep with peripherals off draws microamps; periodic wake-up via WDT or interrupt triggers ADC sample, on-chip op-amp conditioning, and SPI/I2C communication to a companion radio. Compared to Cortex-M0+ parts at similar price, PIC16F1704 offers deterministic interrupt latency and lower Sleep current, sufficing for applications where BOM cost and battery life outweigh raw compute. Pair with a sub-GHz or BLE radio module for complete wireless sensor node.
Recommended
Motor Control and BLDC Drivers
The PIC16F1704T-I/SL's PWM, CCP, and on-chip comparators support sensored or sensorless BLDC motor commutation and small DC motor speed control. Configure PWM for switching frequencies up to 20 kHz, use the high-speed comparators for back-EMF zero-cross detection, and time commutation events via the CCP module for precise phase advance. The 32 MHz core and 8 MIPS throughput handle trapezoidal or simplified FOC commutation algorithms in real time. Compared to dedicated motor-control ICs, this approach costs less but requires more firmware development. Best for small fans, pumps, and appliance motors under 50W.
Recommended
Consumer White Goods and Appliances
The PIC16F1704T-I/SL's combination of on-chip op-amps, ADC, DAC, and Core Independent Peripherals makes it well-suited for consumer appliances such as coffee makers, washing machines, and air purifiers. The op-amps handle sensor conditioning (temperature, humidity, water level), the ADC digitizes readings, and the CLC/COG generate timing-critical control signals without CPU load. Its industrial -40C to +85C rating supports appliance environments, and the SOIC-14 package is easy to hand-solder or rework during service. Compared to PIC16F1xxx without op-amps, PIC16F1704 saves 1-2 external analog ICs per board, reducing BOM and assembly cost.
Recommended
Industrial Sensor and Process Monitoring
The PIC16F1704T-I/SL's industrial -40C to +85C temperature range, robust 10-bit ADC with up to 8 channels, and EUSART/I2C/SPI interfaces make it ideal for industrial 4-20 mA loop sensors, process monitors, and factory automation peripherals. The on-chip op-amps condition 4-20 mA current-sense signals directly, and the ADC converts with 10-bit resolution adequate for most process-control loops. Compared to discrete solutions, integrating analog + MCU reduces board count and improves noise immunity. Pair with an RS-485 transceiver for industrial bus communication. The PIC16F1704T-I/SL's wide operating voltage (2.3V-5.5V) accommodates 3.3V and 5V industrial rails.
Recommended
Battery Charger and Power Management
The PIC16F1704T-I/SL's on-chip op-amps and 10-bit ADC allow it to function as a single-chip Li-ion or NiMH charger controller with voltage/current sensing and PWM control. Configure an op-amp as a current-sense amplifier and another as a voltage-error amplifier, route the output through the CCP/PWM module to drive a switching pass element, and use the ADC to monitor battery voltage and charge current. The 32 MHz core handles CC/CV state-machine transitions in firmware. Compared to dedicated charger ICs, this approach offers programmability at the cost of firmware complexity. Best for low-power USB or solar chargers under 5W.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1704T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1704-I/SL | PIC16F1704-E/P | PIC16F1704-E/SL | PIC16F1705-I/SL | PIC16F1615-I/SL | PIC16F1575-I/SL |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-14 (SL) | SOIC-14 (SL) | SOIC-14 (SL) | SOIC-14 (SL) | SOIC-14 (SL) | SOIC-14 (SL) | SOIC-14 (SL) |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 14 KB | 7 KB | 7 KB |
| SRAM | 512 B | 512 B | 512 B | 512 B | 1 KB | 512 B | 512 B |
| CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| On-chip Op-Amps | 2 | 2 | 2 | 2 | 2 | 0 | 0 |
| DAC | 8-bit, 1 ch | 8-bit, 1 ch | 8-bit, 1 ch | 8-bit, 1 ch | 8-bit, 1 ch | None | None |
| Core Independent Peripherals | CLC, COG, ZCD | CLC, COG, ZCD | CLC, COG, ZCD | CLC, COG, ZCD | CLC, COG, ZCD | Limited CLC, no COG/ZCD | Limited |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Two on-chip operational amplifiers (vs PIC16F1615-I/SL)
- Core Independent Peripherals (CLC, COG, ZCD) (vs PIC16F1615-I/SL)
- Industrial -40C to +85C rating in SOIC-14 with extended variants (vs PIC16F1704-I/SL)
- 8-bit DAC integrated alongside ADC and op-amps (vs PIC16F1575-I/SL)
Design Notes
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin (pin 11) and VSS (pin 4). For noisy environments or switching loads nearby, add a 10 uF bulk capacitor on the VDD rail. The PIC16F1704T-I/SL's XLP nanoWatt sleep current (50 nA typical) only holds when VDD is clean and well-regulated. Use an MCP1700 LDO or equivalent for stable 3.3V from a higher-voltage source.
Route analog signals (AN0-AN11, op-amp inputs/outputs) on a separate layer or guarded with ground pours to minimize digital crosstalk. Keep ADC traces short and away from PWM or switching traces. Place the ICSP programming header (PGC, PGD, MCLR/VPP) at the board edge for production programming access. Leave the MCLR/VPP pull-up resistor footprint even if you plan to disable MCLR - this allows easy re-programming during development.
Estimated: at 32 MHz and 5V supply, the PIC16F1704T-I/SL typically draws ~7 mA active and ~50 nA sleep; firmware engineers must clear all interrupt flags before re-entering Sleep to prevent immediate wake-up. Failing to set the PPS registers correctly is a common cause of 'no peripheral output' bugs - remember PPS is unlocked only after writing PPSLOCK = 0x55 and 0xAA sequence. Verify oscillator configuration bits match the actual crystal or HFINTOSC settings before locking the configuration word.
Keep the SOIC-14 ground and VDD traces at least 0.2 mm wide; for ADC accuracy, use a star-ground topology with the MCU ground pin as the star center. Expose the exposed pad (EP) underneath the SOIC-14 package - even though SOIC-14 lacks a true EP, ensure the copper plane below the package provides thermal relief for the ~7 mA active current at 5V operation. For op-amp circuits, route feedback traces away from noisy digital lines.
Compliance Information
RoHS compliant and lead-free per Microchip product page; halogen-free status not explicitly stated in verified web data - marked unknown. PIC16F1704T-I/SL is not AEC-Q100 qualified; for automotive applications, consider PIC16F1704-E/SL or AEC-Q100 qualified variants.
