PIC16LC711-04E/SS - 8-bit OTP MCU, 4MHz, 1.75KB | Microchip
MPN: PIC16LC711-04E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.43 | $2.43 |
| 10 | $2.18 | $21.80 |
| 100 | $1.95 | $195.00 |
| 500 | $1.81 | $905.00 |
| 1,000 | $1.7 | $1,700.00 |
PIC16LC711-04E/SS Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, and I/O peripherals on one die. The PIC16C7X family specifically extends the mid-range PIC architecture with an on-chip ADC, making it well-suited to embedded control applications that must sample analog signals while retaining the simplicity of the 35-instruction PIC instruction set and a 14-bit wide program word. PIC microcontrollers sit within the broader taxonomy of microcontrollers -> microprocessors -> semiconductors -> integrated circuits, and remain widely used in cost-sensitive, low-power control products.
Key features include a 200 ns instruction execution time, an integrated 8-bit ADC with multiple input channels, an on-chip 8 MHz RC oscillator (with optional crystal/clock), and individual direction control on each I/O pin. The 'L' in the part number indicates the low-power CMOS process, the '04' suffix specifies 4 MHz operation, 'E' marks the extended industrial temperature grade (-40C to +125C), and '/SS' denotes the 20-pin SSOP package.
Typical applications include industrial process controllers, sensor signal conditioning front-ends, low-end consumer appliances, battery chargers with closed-loop control, white-goods motor drivers, and educational/development platforms. The integrated ADC removes the need for an external analog converter, reducing BOM cost and PCB area in measurement-oriented designs.
When designing with this part, allocate one or two analog input channels for the application's primary sensor and reserve the digital I/O for switches, LEDs, and serial interfaces. The internal RC oscillator reduces external component count but offers reduced accuracy; for timing-critical UART or PWM applications, fit an external crystal. Programming is via ICSP using a Microchip programmer such as the PICkit 3.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16LC711-04E/SS — 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 PIC16LC711-04E/SS (same form factor and footprint) — differing in ADC, Package, Timers, Program Memory Type, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LC711-04/SO
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC16LC711-04I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LC710-04/SS
✅ Drop-In✓ In Stock
$3.16 / Unit
View Datasheet →PIC16LC710T-04E/SS
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16F716-I/SS
✅ Drop-In✓ In Stock
$1.58 / Unit
View Datasheet →PIC16LC711-04E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit mid-range (PIC16C7X) |
| Program Memory Type | OTP EPROM (1K x 14) |
| Program Memory Size | 1.75 KB (1K x 14) |
| Data RAM | 68 bytes |
| Data EEPROM | None |
| Maximum Clock Speed | 20 MHz (04 suffix = 4 MHz) |
| Instruction Execution Time | 200 ns at 20 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 13 |
| ADC | 8-bit, multi-channel (4 channels typical) |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| Oscillator | Internal RC and external crystal/clock |
| Brown-Out Reset (BOR) | Yes |
| Watchdog Timer | Yes |
| Package | 20-pin SSOP (5.30 mm body width) |
| Operating Temperature | -40C to +125C (E = extended industrial) |
| Mounting Type | Surface Mount |
PIC16LC711-04E/SS Pin Configuration
| Pin 1 | RA2/AN2 — GPIO RA2 / analog input channel 2 |
| Pin 2 | RA3/AN3/VREF+ — GPIO RA3 / analog input channel 3 / ADC positive voltage reference input |
| Pin 3 | RA4/T0CKI — GPIO RA4 / Timer0 external clock input |
| Pin 4 | RA5/SS/AN4 — GPIO RA5 / slave select input / analog input channel 4 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| Pin 7 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| Pin 8 | RB0/INT — GPIO RB0 / external interrupt input |
| Pin 9 | RB1 — GPIO RB1 |
| Pin 10 | RB2 — GPIO RB2 |
| Pin 11 | RB3 — GPIO RB3 |
| Pin 12 | RB4 — GPIO RB4 |
| Pin 13 | RB5 — GPIO RB5 |
| Pin 14 | RB6/PGC — GPIO RB6 / ICSP clock input |
| Pin 15 | RB7/PGD — GPIO RB7 / ICSP data input/output |
| Pin 16 | VDD — Positive supply voltage |
| Pin 17 | RA0/AN0 — GPIO RA0 / analog input channel 0 |
| Pin 18 | RA1/AN1 — GPIO RA1 / analog input channel 1 |
| Pin 19 | VREF — ADC voltage reference (used in PIC16LC711) |
| Pin 20 | AVSS — Analog ground reference |
Typical Applications
PIC16LC711-04E/SS is suitable for 6 applications: Industrial Process Control, Battery-Powered Sensor Module, White Goods and Appliance Control, Automotive Body Electronics, Educational and Hobby Development, LED Lighting and Signage Control.
Industrial Process Control
The PIC16LC711-04E/SS is well suited to industrial process-control PLCs and sensor-interface front-ends where its 8-bit ADC provides direct analog input from 4-20 mA current loops, thermistors, or strain gauges. With 1.75 KB of program memory and 68 bytes of RAM, it can implement a PID loop with PWM output to a control valve or heater, plus UART diagnostics back to a host PLC. The extended -40C to +125C temperature range (E suffix) tolerates cabinet environments without derating, and the BOR (brown-out reset) prevents lockups during supply transients that occur when large inductive loads switch. Compared with a pure hardware implementation, the on-chip ADC and timers reduce BOM cost by eliminating a separate converter IC and external timing components. The Watchdog Timer guards against firmware hang in unsupervised installations such as remote pumping stations.
Recommended
Battery-Powered Sensor Module
The PIC16LC711-04E/SS fits battery-powered sensor modules such as wireless environmental sensors, smart-meter endpoints, and portable medical monitors. Its 2.5 V to 5.5 V supply range accommodates a single lithium cell or 3x AA alkaline pack, and the CMOS low-power variant ('L' in the part number) minimizes drain during sleep modes. The internal 8-bit ADC digitizes sensor inputs such as temperature (LM35), humidity, or gas-sensor resistance without an external converter IC, and the 13 GPIO pins drive status LEDs, interrupt wake-up lines, and a UART to a sub-GHz radio module. Compared with an ATmega or MSP430 equivalent, the PIC16LC711-04E/SS offers lower cost and a more deterministic 200 ns instruction cycle, at the expense of less RAM for buffering wireless protocol stacks.
Recommended
White Goods and Appliance Control
Washing machines, dishwashers, microwave ovens, and induction cooktops commonly embed PIC16LC711-04E/SS-class microcontrollers to drive user-interface keypads, seven-segment LED displays, relay banks, and AC-line zero-cross detection. The 13 GPIO lines handle 4x4 matrix keypads and triac-trigger outputs, while the 8-bit ADC reads motor current, water level, or temperature sensors. The Brown-Out Reset (BOR) ensures a clean restart after household power brown-outs, and the Watchdog Timer catches firmware faults that could otherwise leave a heater element energized. Compared with discrete logic, the on-chip timers (Timer0/Timer1/Timer2) generate PWM for variable-speed motor drives without additional ICs. The extended -40C to +125C rating covers oven and motor-compartment thermal environments without thermal derating.
Recommended
Automotive Body Electronics
Inside automotive body controllers such as mirror adjusters, seat-position memories, simple HVAC blend-door actuators, and lighting dimmers, the PIC16LC711-04E/SS delivers 13 GPIO to drive H-bridges, monitor switches, and read potentiometers for position feedback. The 8-bit ADC samples the wiper-position potentiometer at 4 input channels, while the timers generate PWM for DC motor speed control. With the 'E' extended temperature grade covering -40C to +125C, the device operates inside cabin and under-hood environments without thermal failure. Compared with newer AEC-Q100-qualified PIC16F families, this OTP part is cost-optimized for non-safety body functions and supports ICSP programming during production. Drop-in migration to PIC16F716-I/SS is recommended for new automotive programs that need flash reprogrammability.
Recommended
Educational and Hobby Development
Universities, technical schools, and hobbyists use the PIC16LC711-04E/SS as a teaching platform for embedded systems courses, assembly programming labs, and DIY electronics builds. Its simple 35-instruction PIC mid-range ISA is approachable for first-time embedded developers, while the integrated ADC provides hands-on experience with analog sampling, debouncing, and interrupt-driven firmware. The 20-pin SSOP package is breadboard-friendly via SSOP-to-DIP adapter boards, and the PICkit 3/4 programmer plus MPLAB X IDE deliver a free toolchain. Compared with the Arduino Uno (ATmega328P), the PIC16LC711-04E/SS offers a lower-cost entry point at the expense of less library support. The OTP nature forces good firmware-revision discipline before committing to a final programming cycle, a valuable lesson for production engineers.
Recommended
LED Lighting and Signage Control
The PIC16LC711-04E/SS drives addressable RGB LED strips, dynamic signage, and decorative lighting controllers using its 13 GPIO to bit-bang WS2812/B series protocols or generate PWM channels for analog RGB dimming. The 8-bit ADC reads ambient-light sensors for automatic brightness adjustment, while the timers deliver precise PWM for color-mixing algorithms. With 1.75 KB of program memory, it can store complex chase patterns, color gradients, and time-of-day schedules. Compared with dedicated LED-driver ICs, the PIC16LC711-04E/SS offers flexibility to change patterns via firmware (when migrating to flash PIC16F716) and integrates with the broader lighting-control system over UART. The extended -40C to +125C rating suits outdoor signage and architectural lighting enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LC711-04E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LC711-04/SO | PIC16LC711-04I/SS | PIC16LC710-04/SS | PIC16F716-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-20 (5.30 mm) | SOIC-20 (300 mil) - different footprint | SSOP-20 - same footprint | SSOP-20 - same footprint | SSOP-20 - same footprint |
| Program Memory | 1.75 KB OTP (1K x 14) | 1.75 KB OTP - same | 1.75 KB OTP - same | 0.875 KB OTP (512 x 14) | 2 KB Flash - larger |
| Data RAM | 68 bytes | 68 bytes - same | 68 bytes - same | 36 bytes | 128 bytes |
| ADC Resolution | 8-bit | 8-bit - same | 8-bit - same | 8-bit - same | 8-bit - same |
| Maximum Clock | 4 MHz | 4 MHz - same | 4 MHz - same | 4 MHz - same | 20 MHz - higher |
| Memory Type | OTP EPROM | OTP EPROM - same | OTP EPROM - same | OTP EPROM - same | Flash - reprogrammable |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C - same | -40C to +85C (Industrial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) |
Key Differentiators
- Extended industrial -40C to +125C temperature range (vs PIC16LC711-04I/SS)
- Flash reprogrammability on same footprint (vs PIC16F716-I/SS)
- Larger 1.75 KB program memory than PIC16LC710 (vs PIC16LC710-04/SS)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 16) and a bulk 10 uF tantalum or ceramic capacitor within 10 mm. The AVSS pin (pin 20) must connect to the same ground plane as VSS (pin 5) via a short trace or via-star connection to avoid ADC ground bounce. If the VREF pin (pin 19) is used as the ADC reference, add a 10 nF ceramic bypass capacitor directly at the pin to suppress digital switching noise from contaminating the analog conversion.
When routing the oscillator traces (OSC1/OSC2, pins 6 and 7), keep them short and surround them with a ground pour to minimize stray capacitance and radiated EMI. If using the internal RC oscillator to save BOM cost, leave OSC1/OSC2 unconnected; if using an external crystal, add 22 pF load capacitors matching the crystal's specified load capacitance. Place the ICSP header (RB6/PGC and RB7/PGD) on the PCB edge for production-programming access without disassembling the enclosure.
Do not assume 5V-tolerant GPIO - absolute maximum VDD is 5.5 V and any input above this will damage the device. Brown-Out Reset (BOR) must be enabled in the configuration word for production firmware, or the MCU may execute corrupted code during slow-rising supply ramps. Because the PIC16LC711-04E/SS is OTP, any firmware bug requires a new silicon blank; mitigate by prototyping on the flash-based PIC16F716-I/SS in the same SSOP-20 footprint, then porting validated code to the OTP device for production.
The PIC16LC711-04E/SS draws approximately 2-5 mA active current at 4 MHz and 5V supply, dropping below 1 uA in sleep mode (with WDT disabled). For battery-powered designs, use SLEEP instructions aggressively and wake via Timer1 overflow or external interrupt on RB0/INT. The internal RC oscillator consumes less current than an external crystal; switch to the internal 4 MHz RC source if your timing tolerance is within +/- 5 percent.
Compliance Information
RoHS/REACH/lead-free status not explicitly stated in the provided distributor snippets; consult Microchip's material declaration for the exact compliance profile. This is an OTP/EPROM-based industrial-grade part, not AEC-Q100 qualified for automotive safety functions.
