PIC16LV54A-02/SO - 8-bit MCU, 2MHz, 768B OTP, SOIC-18 | Microchip
MPN: PIC16LV54A-02/SO ✓ فعالPIC16LV54A-02/SO جائزہ
An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, RAM, program memory, and peripherals on a single die. The PIC16C5X family uses a 12-bit wide instruction set with RISC architecture, delivering 2:1 code compression over competing 8-bit MCUs in the same price class, making it well suited for high-volume, memory-constrained designs. Within the broader taxonomy, PIC16LV54A sits in the hierarchy: microcontroller -> embedded MCU -> RISC MCU -> 8-bit MCU -> PIC16C5X -> PIC16LV5X (low-voltage OTP variant).
Key features include a fixed-length, single-cycle instruction set, 12 bidirectional I/O pins, an 8-bit real-time clock/counter with 8-bit prescaler, watchdog timer with on-chip RC oscillator, power-on reset, and brown-out protection. The "LV" prefix denotes low-voltage operation, allowing battery-powered designs to run directly from a single lithium cell (3.6 V max) without additional regulation.
The PIC16LV54A-02/SO uses a Harvard-architecture RISC core that executes instructions in a single instruction cycle, providing deterministic timing for interrupt-driven and polled control loops. Its 33 instruction set enables compact code generation, while the OTP (one-time programmable) memory supports production programming with per-unit firmware customization.
Typical applications include consumer appliance controls, battery-powered sensor interfaces, simple motor control, LED driver controllers, and replacement of discrete logic in legacy designs. The wide 2.0 V to 6.0 V range supports both 3.3 V and 5 V rails, simplifying integration into mixed-voltage systems.
When designing with this part, note that OTP memory cannot be re-programmed; use PIC16F54 or PIC16HV540 flash-based siblings during prototyping. The 18-pin SOIC footprint is also available in PDIP (P) and SSOP (SS) variants for layout flexibility.
کے لیے ڈراپ اِن متبادل PIC16LV54A-02/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16LV54A-02/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Data RAM, Instruction Set, Program Memory Size, Timers.
PIC16LV54A-02I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LV54AT-02/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LV54A-02/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F54-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LV54A-02/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16C5X, 8-bit RISC |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 768 bytes (512 x 12) |
| RAM Size | 25 bytes |
| Maximum Clock Speed | 2 MHz |
| Supply Voltage Range | 2.0 V to 6.0 V |
| I/O Pins | 12 |
| Instruction Set | 33 instructions, 12-bit wide |
| Instruction Cycle | 1 cycle per instruction |
| Timers | 1 x 8-bit RTCC with 8-bit prescaler |
| Watchdog Timer | Yes (on-chip RC oscillator) |
| Brown-out Reset | Yes |
| Power-on Reset | Yes |
| پیکیج | 18-pin SOIC (SO) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| آپریٹنگ درجہ حرارت | 0C to +70C (Commercial) |
| Terminal Form | Gull Wing |
PIC16LV54A-02/SO پن کنفیگریشن
| پن 1 | /MCLR — Master Clear (reset) input, active low |
| پن 2 | RA0 — Bidirectional I/O pin, Port A bit 0 |
| پن 3 | RA1 — Bidirectional I/O pin, Port A bit 1 |
| پن 4 | RA2 — Bidirectional I/O pin, Port A bit 2 |
| پن 5 | RA3 — Bidirectional I/O pin, Port A bit 3 |
| پن 6 | RB0 — Bidirectional I/O pin, Port B bit 0 / interrupt |
| پن 7 | RB1 — Bidirectional I/O pin, Port B bit 1 |
| پن 8 | RB2 — Bidirectional I/O pin, Port B bit 2 |
| پن 9 | RB3 — Bidirectional I/O pin, Port B bit 3 |
| پن 10 | RB4 — Bidirectional I/O pin, Port B bit 4 |
| پن 11 | RB5 — Bidirectional I/O pin, Port B bit 5 |
| پن 12 | RB6 — Bidirectional I/O pin, Port B bit 6 |
| پن 13 | RB7 — Bidirectional I/O pin, Port B bit 7 |
| پن 14 | VSS — Ground reference |
| پن 15 | OSC2 — Oscillator output / CLKOUT |
| پن 16 | OSC1 — Oscillator input / CLKIN |
| پن 17 | VDD — Positive supply voltage (2.0 V to 6.0 V) |
| پن 18 | T0CKI — Timer 0 clock input |
عام استعمالات
PIC16LV54A-02/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Consumer Appliance Control, Battery-Powered Sensor Interface, LED Driver and Lighting Controller, Simple Motor Control (Brushed DC, Stepper), Replacement of Discrete Logic, Toy and Hobby Electronics.
Consumer Appliance Control
The PIC16LV54A-02/SO fits low-cost consumer appliance controllers such as coffee makers, toasters, and small kitchen devices where fixed-function firmware and minimal BOM cost are priorities. Its 2.0-6.0 V operating range connects directly to rectified mains-derived DC rails or 3 V battery backup without an LDO, eliminating a regulator stage and reducing BOM cost by approximately $0.05-0.10 per unit. The 12-bit-wide RISC instruction set delivers 2:1 code compression versus competing 8-bit MCUs, allowing typical appliance state machines (timer + button input + relay/LED output) to fit in the 768-byte OTP memory. The integrated watchdog timer with dedicated RC oscillator provides reliable brown-out recovery without external components, critical for unattended appliance operation. With industrial-grade (-40C to +85C) variants available (PIC16LV54A-02I/SO), designs can extend to outdoor and garage appliance markets without redesign.
تجویز کردہ
Battery-Powered Sensor Interface
The PIC16LV54A-02/SO is well suited to battery-powered wireless sensor end-node controllers, particularly those pairing with sub-GHz radio modules like the MRF89XA in intermittent-duty cycle applications. Operating from 2.0 V, it runs directly from a single AA alkaline (1.5 V x 2) or single CR2032 lithium coin cell without boost conversion, extending battery life by eliminating idle quiescent losses from an LDO. The 25-byte RAM accommodates small sensor buffers and protocol framing, while the 8-bit RTCC with prescaler handles periodic wake-up timing for duty-cycled measurement loops. Power-on reset and brown-out protection ensure clean start-up across battery end-of-life voltage, and the integrated watchdog prevents MCU lockup in electrically noisy industrial environments. The 12 I/O pins drive sensor enables, indicator LEDs, and interrupt inputs without external muxing.
تجویز کردہ
LED Driver and Lighting Controller
For fixed-pattern LED controllers, decorative lighting, and indicator-light drivers, the PIC16LV54A-02/SO provides deterministic PWM generation via its 8-bit RTCC with software-driven bit-banging or hardware interrupt timing. The 12 I/O pins directly drive up to 12 LED channels or a smaller number of high-current LED strings via external MOSFETs, replacing discrete 555-timer-based sequencers with a programmable solution. The 2 MHz clock provides sufficient resolution for chase, fade, and breathing-pattern effects at refresh rates above 100 Hz to avoid visible flicker. Its commercial temperature range (0C to +70C) suits indoor lighting products; outdoor/automotive lighting designs should select the PIC16LV54A-02I/SO industrial variant. The 18-pin SOIC footprint enables compact PCB layouts behind thin LED strips and within tight decorative-lighting enclosures.
تجویز کردہ
Simple Motor Control (Brushed DC, Stepper)
The PIC16LV54A-02/SO's RISC core, with single-cycle instruction execution and deterministic interrupt response, suits low-speed brushed DC and unipolar stepper motor control in appliances and small actuators. The 12 I/O pins drive H-bridge enable inputs (2-4 pins), direction logic (1-2 pins), and current-sense comparator inputs (1-2 pins) while the RTCC provides commutation timing. At 2 MHz clock, the MCU can sustain 5-10 kHz PWM frequencies with software loops for speed regulation in pump and fan applications. Brown-out reset prevents motor stalls during supply droop, and the watchdog timer recovers from EMI-induced lockup common in motor circuits. OTP memory ensures production firmware immutability, preventing accidental field reprogramming that could violate safety certifications.
تجویز کردہ
Replacement of Discrete Logic
The PIC16LV54A-02/SO is widely deployed as a replacement for legacy 74HC-series glue-logic in industrial and consumer designs, where a single 8-bit MCU can replace dozens of gates, latches, and timers while adding programmability. The 12 I/O pins handle typical glue-logic tasks: button debouncing, timing generation, signal conditioning, mode selection, and LED multiplexing. At less than $1.50 USD per unit in qty-100, the MCU is cost-competitive with discrete logic implementations at 4-6 gates while adding reconfigurability. The deterministic instruction cycle simplifies timing analysis for safety-critical sequences, and the brown-out reset prevents undefined logic states during power transitions. PIC16C5X family longevity and second-source availability make it a stable design choice for long-life-cycle industrial products.
تجویز کردہ
Toy and Hobby Electronics
For hobby electronics, RC accessories, and educational microcontroller kits, the PIC16LV54A-02/SO's low unit cost ($1.62 at qty-1 as of 2026-09-25) and minimal external component count (single bypass cap + resonator) make it an attractive learning and prototyping MCU. Its 33-instruction RISC set is small enough to master in an afternoon, yet powerful enough to drive LEDs, read buttons, generate tones on a piezo speaker, and interface with simple sensors. The 18-pin SOIC package works well on breadboard adapters and stripboard layouts for hobby projects. PICkit 1/2/3 programmers can program the OTP memory via ICSP for production runs. For hobbyists wanting in-circuit reprogramming during development, the pin-compatible PIC16F54-I/SO flash-based sibling offers the same instruction set with the added benefit of being rewritable.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LV54A-02/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LV54A-02I/SO | PIC16LV54AT-02/SO | PIC16F54-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (SO) | 18-SOIC (SO) - same | 18-SOIC (SO) - same | 18-SOIC (SO) - same |
| Program Memory Type | OTP (768 bytes) | OTP (768 bytes) - same | OTP (768 bytes) - same | Flash (768 bytes) |
| Operating Temperature | 0C to +70C (Commercial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) |
| Maximum Clock Speed | 2 MHz | 2 MHz | 2 MHz | 20 MHz |
| Supply Voltage Range | 2.0 V to 6.0 V | 2.0 V to 6.0 V | 2.0 V to 6.0 V | 2.0 V to 5.5 V |
| RAM Size | 25 bytes | 25 bytes | 25 bytes | 25 bytes |
| I/O Pins | 12 | 12 | 12 | 12 |
اہم امتیازی خصوصیات
- Lower unit cost than flash-based siblings (بمقابلہPIC16F54-I/SO)
- Industrial temperature grade available in same package (بمقابلہPIC16LV54A-02I/SO)
- True drop-in pin compatibility with PIC16F54 flash MCU (بمقابلہPIC16F54-I/SO)
ڈیزائن نوٹس
The PIC16LV54A-02/SO has no internal voltage regulator and operates directly from VDD. Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 17), with a 10 uF bulk capacitor on the VDD rail if supply impedance is above 1 ohm. The /MCLR pin (pin 1) should be tied to VDD through a 10 kohm pull-up resistor for normal operation; if not used, it must not be left floating - connect directly to VDD with a 10 kohm resistor.
The PIC16LV54A-02/SO supports four oscillator modes: RC (low-cost, low-accuracy), LP (low-power crystal), XT (standard crystal up to 4 MHz), and HS (high-speed crystal). For the 2 MHz -02 speed grade, XT mode with a 2.000 MHz crystal or ceramic resonator is recommended for general designs. The OSC1/OSC2 trace lengths should be kept under 10 mm and surrounded by a ground guard ring to minimize EMI pickup. The CLKOUT function on OSC2 (in RC mode) provides a system clock reference for peripheral synchronization.
OTP memory cannot be re-programmed - once programmed, the device must be discarded if firmware changes are needed. During prototyping, use the PIC16F54-I/SO flash-based sibling (same 18-pin SOIC package, same PIC16C5X instruction set). The CONFIG word must be set correctly before programming; in particular, the watchdog timer enable bit (WDTE) defaults to ON for many configurations - clear it if not needed. Do not leave unused I/O pins floating - configure as outputs and tie low, or configure as inputs with internal weak pull-ups enabled.
تعمیل کی معلومات
RoHS and lead-free compliance confirmed via Microchip product page and distributor listings (Mouser, DigiKey). Halogen-free status not explicitly stated in distributor data. Not AEC-Q100 qualified - this part targets consumer/commercial/industrial markets, not automotive.