PIC16F1704-E/P - 8-bit 32MHz 7KB Flash MCU | Microchip DIP-14
MPN: PIC16F1704-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.1 | $110.00 |
| 500 | $0.96 | $480.00 |
| 1,000 | $0.85 | $850.00 |
PIC16F1704-E/P Overview
An 8-bit PIC microcontroller is a RISC-based CMOS processor that executes single-cycle instructions in 200 nanoseconds at 32MHz, providing deterministic real-time control for embedded applications. PIC microcontrollers belong to the broader category of microcontrollers (MCUs), which are single-chip computers integrating CPU, memory, and peripherals; they sit within the integrated circuit (IC) family and serve applications from consumer appliances to industrial sensor interfaces.
Key differentiating specifications include on-chip op amps for analog signal conditioning, a 10-bit ADC with computation, an 8-bit DAC for voltage reference generation, and Peripheral Pin Select (PPS) for flexible I/O mapping. The device also integrates Enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), I2C, and SPI interfaces, providing connectivity to sensors, displays, and communication modules without requiring external peripheral ICs.
The PIC16F1704 architecture uses an enhanced mid-range 16-bit instruction word with a 14-bit program memory bus, optimizing code density. Core Independent Peripherals such as CLC and COG execute logic functions without CPU intervention, enabling deterministic timing for motor control, power conversion, and signal generation tasks. PPS allows peripheral signals to be remapped to different I/O pins, simplifying PCB layout and reducing design constraints.
Typical applications include IoT sensor nodes, battery-powered handheld instruments, LED lighting controllers, consumer appliance interfaces, and industrial process control loops. The wide -40°C to +125°C operating range supports automotive under-hood and outdoor industrial deployments where temperature extremes are routine.
When designing with this MCU, ensure adequate decoupling by placing a 0.1µF ceramic capacitor adjacent to each VDD pin and a bulk capacitor on the power rail. The internal 32MHz oscillator eliminates the need for external crystals in cost-sensitive designs, but crystals provide better frequency accuracy for timing-critical UART or USB applications.
This page synthesizes distributor pricing, drop-in alternative recommendations, and practical engineering design notes not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F1704-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 PIC16F1704-E/P (same form factor and footprint) — differing in ADC, Mounting Type, Package, Program Memory (Flash), RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1704-I/P
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →PIC16F1705-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1614-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.08 / Unit
View Datasheet →PIC16F15324-E/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1503-E/ST
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.52 / Unit
View Datasheet →PIC16F1704-E/P Maximum Ratings & Electrical Characteristics
| Product Family | PIC® XLP™ 16F |
| Core Architecture | 8-bit PIC RISC (enhanced mid-range) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| RAM | 512 bytes |
| EEPROM / Data EEPROM | 0 bytes (no on-chip data EEPROM) |
| Maximum CPU Frequency | 32 MHz |
| Instruction Cycle Time | 200 ns at 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Operating Temperature | -40 °C to +125 °C (Extended -E grade) |
| I/O Pins | 12 |
| ADC | 10-bit, up to 8 channels |
| DAC | 8-bit, 1 channel |
| On-chip Op Amps | Yes (2) |
| Comparators | Yes (high-speed) |
| Core Independent Peripherals | CLC, COG, ZCD, NCO, PWM |
| Communication Interfaces | EUSART, I2C, SPI |
| Peripheral Pin Select (PPS) | Yes |
| Package | PDIP-14 (14-pin Plastic DIP, 0.300 inch / 7.62 mm row spacing) |
| Mounting Type | Through-Hole |
| MSL Level | Not applicable (through-hole) |
| RoHS Status | Compliant |
PIC16F1704-E/P Pin Configuration
| Pin 1 | RA3/AN3/C1IN+/C2IN+/ZCD — Bidirectional I/O; analog input 3; comparator non-inverting input; zero-cross detect input |
| Pin 2 | RA4/AN4/C1OUT/T0CKI — Bidirectional I/O; analog input 4; comparator 1 output; Timer0 clock input |
| Pin 3 | RA5/MCLR/VPP — Bidirectional I/O; Master Clear (reset) input; programming voltage input |
| Pin 4 | RA0/AN0/C1IN0-/DACOUT — Bidirectional I/O; analog input 0; comparator inverting input; DAC output |
| Pin 5 | RA1/AN1/C1IN0-/OPA1OUT — Bidirectional I/O; analog input 1; op-amp 1 output |
| Pin 6 | RA2/AN2/C2IN0-/OPA2OUT — Bidirectional I/O; analog input 2; op-amp 2 output |
| Pin 7 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RB4/AN10/C2IN1-/SDA/SDI — Bidirectional I/O; analog input 10; I2C data / SPI data in |
| Pin 10 | RB5/AN11/RX/DT — Bidirectional I/O; EUSART RX / data input |
| Pin 11 | RB6/SCK/SCL — Bidirectional I/O; SPI clock / I2C clock |
| Pin 12 | RB7/TX/CK — Bidirectional I/O; EUSART TX / clock |
| Pin 13 | RC0/PWM/PPS — Bidirectional I/O; PWM output; PPS-mappable peripheral |
| Pin 14 | RC1/PWM/PPS — Bidirectional I/O; PWM output; PPS-mappable peripheral |
Typical Applications
PIC16F1704-E/P is suitable for 7 applications: IoT Sensor Edge Node, LED Lighting Controller, Industrial Process Sensor Interface, Consumer Appliance Control Panel, Automotive Body Electronics, Portable Medical Monitoring Device, Power Supply Digital Control Loop.
IoT Sensor Edge Node
The PIC16F1704-E/P suits battery-powered IoT sensor nodes where its 32 MHz CPU, 7 KB Flash, and on-chip op amps enable local analog signal conditioning before ADC sampling. The integrated 10-bit ADC with computation (ADC2) can average samples in hardware, offloading CPU cycles and reducing active-mode power. The XLP deep-sleep current of approximately 50 nA allows years of operation from a single CR2032 coin cell when the MCU wakes only briefly to acquire and transmit sensor data via EUSART or I2C.
Recommended
LED Lighting Controller
For LED driver control, the PIC16F1704-E/P's Complementary Output Generator (COG) and PWM peripherals provide hardware-based dimming and dead-band control without CPU intervention, freeing the core for communication and user-interface tasks. The on-chip 8-bit DAC can generate analog reference voltages for current control loops, while the high-speed comparators enable fault detection for over-current and over-temperature protection in constant-current LED strings.
Recommended
Industrial Process Sensor Interface
Industrial 4-20 mA loop sensors, RTDs, and bridge transducers benefit from the PIC16F1704-E/P's two on-chip op amps, which can buffer and amplify low-level signals without external instrumentation amplifiers. The 10-bit ADC with hardware computation handles linearization and averaging in background, while the -40 °C to +125 °C extended temperature grade ensures operation in factory-floor environments. The EUSART and I2C interfaces connect to industrial communication backbones such as RS-485 transceivers or HMI displays.
Recommended
Consumer Appliance Control Panel
The PIC16F1704-E/P's Peripheral Pin Select (PPS) flexibility simplifies PCB routing when implementing complex user interfaces with multiple keypads, displays, and rotary encoders in home appliances. Core Independent Peripherals such as the Configurable Logic Cell (CLC) and Zero Cross Detect (ZCD) handle AC mains zero-crossing events for TRIAC dimming without CPU load. The 512 bytes of RAM and 7 KB Flash support small graphical user interfaces and capacitive-touch firmware libraries.
Recommended
Automotive Body Electronics
Automotive body modules such as window lift controllers, seat position memory, and lighting dimmers leverage the PIC16F1704-E/P's -40 °C to +125 °C operating range and PWM/COG peripherals for motor drive. The on-chip comparators detect motor stall conditions by sensing back-EMF, while the 10-bit ADC monitors battery voltage and current. Designers should note that automotive qualification typically requires the AEC-Q100 Q-grade part (PIC16F1704-E/P is industrial grade); pair with automotive transceivers and protection ICs for full compliance.
Recommended
Portable Medical Monitoring Device
Battery-powered portable medical monitors such as pulse oximeters and digital thermometers benefit from the PIC16F1704-E/P's XLP low-power modes and on-chip op amps for analog front-end conditioning of biosensor signals. The 10-bit ADC samples photodiode or thermistor outputs while the Core Independent Peripherals handle timing-critical sensor drive waveforms without CPU wake-up. The extended temperature range supports wearable and skin-contact applications, and the 32 MHz CPU executes DSP-like filtering algorithms on small sensor datasets.
Recommended
Power Supply Digital Control Loop
Digital control of switch-mode power supplies benefits from the PIC16F1704-E/P's high-speed ADC and PWM with complementary outputs, enabling peak-current-mode and voltage-mode control loops. The on-chip op amps implement Type-II or Type-III compensation networks around the feedback path, while the high-speed comparators trip cycle-by-cycle current limits without CPU latency. The 32 MHz CPU and Core Independent Peripherals execute the digital compensator while auxiliary tasks such as housekeeping and telemetry run in parallel.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1704-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1704-I/P | PIC16F1705-E/P | PIC16F1614-E/P | PIC16F15324-E/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-14 | PDIP-14 (same) | PDIP-14 (same) | PDIP-14 (same) | PDIP-14 (same) |
| Flash Memory | 7 KB | 7 KB | 14 KB | 7 KB | 7 KB |
| RAM | 512 B | 512 B | 1024 B | 512 B | 512 B |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C |
| On-chip Op Amps | 2 | 2 | 2 | 0 | 0 |
| DAC | 8-bit | 8-bit | 8-bit | None | 5-bit |
| Core Independent Peripherals | CLC, COG, ZCD, NCO, PWM | CLC, COG, ZCD, NCO, PWM (same) | CLC, COG, ZCD, NCO, PWM (same) | CLC, PWM only | CLC, COG, ZCD, PWM |
| Unit Price (qty 1, USD) | 1.42 | 1.30 | 1.55 | 1.15 | 1.40 |
Key Differentiators
- Integrated op amps eliminate external signal-conditioning ICs (vs PIC16F1614-E/P)
- Higher temperature grade for harsh environments (vs PIC16F1704-I/P)
- 8-bit DAC for analog output without external IC (vs PIC16F15324-E/P)
Design Notes
Place a 0.1 µF ceramic decoupling capacitor within 5 mm of each VDD pin (pin 7) and a 10 µF bulk capacitor on the power rail. The PIC16F1704-E/P's XLP deep-sleep current drops to approximately 50 nA with the WDT disabled, but rises to ~500 nA when the WDT is enabled; choose the WDT interval based on wake-up latency tolerance. For battery applications, route high-current loads through P-channel MOSFETs controlled by GPIO to minimize MCU-supplied leakage paths.
Keep analog input traces (RA0-RA3, RB4-RB5) short and guarded with ground traces on both sides to minimize crosstalk from digital signals. If using the on-chip op amps for high-impedance sensors, route op-amp output traces away from PWM switching nodes. Place the MCLR pull-up resistor (typically 10 kΩ) close to pin 5 to avoid spurious resets from capacitive coupling during in-circuit programming.
Do not assume the PIC16F1704-E/P contains data EEPROM; it has 0 bytes of dedicated data EEPROM. Use Flash with wear-leveling for non-volatile parameters, or pair with an external I2C EEPROM such as 24LC256. When migrating from PIC16F88 or PIC16F877A designs, note that the PPS feature requires explicit pin-mapping configuration in code; peripheral functions no longer map to fixed pin locations by default.
The internal 32 MHz HFINTOSC provides ±2% accuracy at room temperature and ±5% across the -40 °C to +125 °C range, which is insufficient for tight UART baud-rate matching without calibration. Use the FOSCTUN register to trim the oscillator, or switch to an external 32.768 kHz crystal + PLL configuration when UART communications require better than ±1% frequency accuracy. The PPS-mappable EUSART supports both asynchronous UART and synchronous SPI master/slave modes without pin constraints.
Compliance Information
RoHS and REACH compliant per Microchip product page; industrial grade not AEC-Q100 qualified (use automotive Q-grade variants for vehicle applications). Lead-free PDIP package with matte-tin lead finish.
