PIC12LCE519T-04/SN - 8-bit MCU, 4MHz, 1.5KB OTP, SOIC-8 | Microchip
N.º da peça: PIC12LCE519T-04/SN ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $1.61 | $1,61 |
| 10 | $1.45 | $14,50 |
| 100 | $1.28 | $128,00 |
| 500 | $1.12 | $560,00 |
| 1.000 | $0.98 | $980,00 |
PIC12LCE519T-04/SN Visão geral
A microcontroller (MCU) is a single-chip computer that contains a processor core, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC12C/12LC family uses Microchip's RISC (Reduced Instruction Set Computer) Harvard architecture with a 33-instruction set, 12-bit instruction word, and 8-bit data path. These MCUs sit at the low-end of Microchip's PIC12C line, targeting simple control tasks where cost and small footprint outweigh the need for advanced peripherals; the 'LC' suffix denotes the low-power CMOS variant optimized for battery and sleep-mode operation, and the 'E' suffix indicates an OTP (One-Time-Programmable) memory derivative.
Key features include an 8-bit real-time clock/counter (TMR0) with an 8-bit programmable prescaler, Power-On Reset (POR), Device Reset Timer (DRT), and a Watchdog Timer (WDT) with its own dedicated on-chip RC oscillator for reliable system recovery. The architecture provides 6 bidirectional I/O pins, an internal oscillator option, and a low-power SLEEP mode that drops current draw to microampere levels.
Technically, the PIC12LCE519T-04/SN shares the same die as the PIC12CE519 family but is offered in the SOIC-8 (SN) package rather than PDIP. It supports in-circuit serial programming (ICSP) and operates across the commercial 0C to +70C temperature range, which is verified by the LCSC entry confirming 0C~+70C operation. The '04' speed suffix specifies the 4 MHz internal clock option, which sets instruction execution at 1 MIPS.
Typical applications include appliance control, sensor signal conditioning, LED driver controllers, simple battery-powered timers, and low-cost consumer electronics. The compact SOIC-8 footprint and minimal external component count (a single decoupling capacitor plus optional reset pull-up) make the device attractive for space-constrained designs where MCU cost dominates the BOM.
Designers should observe the 5.5V absolute-maximum supply rating and ensure decoupling is placed adjacent to the VDD pin. Because the PIC12LCE519T-04/SN uses OTP memory, firmware revisions require physical replacement of the part - in-system reprogramming is not supported - so production firmware must be frozen before final programming.
This page synthesizes distributor pricing snapshots from DigiKey/Mouser/LCSC, drop-in same-package alternatives from the PIC12 family, and practical design notes that supplement the manufacturer datasheet with engineer-facing context.
Alternativas drop-in para PIC12LCE519T-04/SN — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC12LCE519T-04/SN (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Core Architecture, Timers, Program Memory Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC12CE519-04/SN
✅ Drop-In✓ Em estoque
$1.05 / unidade
Ver ficha técnica →PIC12CE519T-04/SN
✅ Drop-In✓ Em estoque
$1.05 / unidade
Ver ficha técnica →PIC12LCE519-04/SN
✅ Drop-In✓ Em estoque
$1.22 / unidade
Ver ficha técnica →PIC12CE518-04/SN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC12LCE519-04I/SN
✅ Drop-In✓ Em estoque
$1.78 / unidade
Ver ficha técnica →PIC12F519-I/SN
✅ Drop-In✓ Em estoque
$0.54 / unidade
Ver ficha técnica →PIC12LCE519T-04/SN Classificações máximas e características elétricas
| Architecture | 8-bit PIC RISC (Harvard) |
| Core | PIC12 (12-bit instruction word) |
| Instruction Set Width | 12-bit |
| Program Memory (ROM) | 1.5 KB OTP |
| RAM | 41 bytes |
| I/O Pins | 6 |
| Clock Speed | 4 MHz (1 MIPS) |
| Tensão de alimentação | 2.5 V to 5.5 V |
| ROM Type | OTP (One-Time-Programmable) |
| Encapsulamento | SOIC-8 (SN), 0.150 INCH, PLASTIC |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0 C to +70 C (Commercial) |
| Timers | TMR0 (8-bit) with 8-bit programmable prescaler |
| Watchdog Timer | Yes (dedicated on-chip RC oscillator) |
| Power-On Reset (POR) | Yes |
| Device Reset Timer (DRT) | Yes |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
Configuração de pinos do PIC12LCE519T-04/SN
| Pino 1 | GP5/OSC1/CLKIN — General-purpose I/O / external oscillator input / external clock input |
| Pino 2 | GP4/OSC2/CLKOUT — General-purpose I/O / external oscillator output / clock output |
| Pino 3 | GP2/T0CKI/INT/COUT — General-purpose I/O / TMR0 clock input / external interrupt / comparator output |
| Pino 4 | GP1/CIN-/ICSPCLK — General-purpose I/O / comparator inverting input / ICSP clock |
| Pino 5 | GP0/CIN+/ICSPDAT — General-purpose I/O / comparator non-inverting input / ICSP data |
| Pino 6 | VSS — Ground reference |
| Pino 7 | GP3/MCLR/VPP — General-purpose I/O / Master Clear reset (active low) / programming voltage |
| Pino 8 | VDD — Positive supply voltage (2.5V to 5.5V) |
Aplicações típicas
PIC12LCE519T-04/SN é adequado para 6 aplicaçãos: Appliance Control MCU, Battery-Powered Timer / Sensor Node, LED Driver Controller, Consumer Electronics Interface, Industrial Sensor Signal Conditioning, Low-Cost IoT Endpoint (Wired).
Appliance Control MCU
The PIC12LCE519T-04/SN's 6 I/O pins, 4 MHz core, and compact SOIC-8 footprint make it well-suited for low-cost appliance control boards such as fan speed selectors, washing-machine timers, or coffee-machine interfaces. The OTP memory reduces per-unit cost versus Flash MCUs, while the LC supply range (2.5V-5.5V) supports both 3.3V and 5V relay-driver rails. Integrated WDT with dedicated RC oscillator recovers from firmware lockup, critical for unattended appliances. Pair with an external ULN2003 driver for relay control.
Recomendado
Battery-Powered Timer / Sensor Node
The LC variant's 2.5V-5.5V supply range and CMOS low-power design suit the PIC12LCE519T-04/SN for 3V coin-cell or two-AA battery powered timers and sensor nodes. The PIC12C/12LC family supports a SLEEP mode that drops current draw to microamperes, dramatically extending battery life. TMR0 with 8-bit prescaler provides accurate timing intervals without waking the core frequently. The 6 I/O pins are sufficient for one or two sensor inputs and an LED status indicator. Add an external 32.768 kHz crystal for sub-second timing precision.
Recomendado
LED Driver Controller
With 6 I/O pins and 4 MHz instruction rate, the PIC12LCE519T-04/SN can drive LED strings via PWM on GP2 (T0CKI) or bit-banged patterns on any GPIO. For simple decorative or indicator LEDs, the PIC12LC's GPIO sourcing capacity is sufficient without external drivers. The OTP memory ensures production firmware stability - decorative patterns cannot be inadvertently modified in the field. Operating from 5V directly drives common-anode LED configurations; for higher-current strings, add an external MOSFET driver.
Recomendado
Consumer Electronics Interface
The PIC12LCE519T-04/SN handles user-interface tasks in consumer electronics such as remote-control encoders, simple keypads, and push-button controllers. Its 6 I/O pins map cleanly to a 4x1 button matrix or a 5-key capacitive-touch scanner with one wake pin. The ICSP programming interface allows factory firmware update via standard Microchip tools. Combined with its commercial 0C-70C operating range, this is a fit-and-forget UI controller for toys, kitchen gadgets, and personal-care devices.
Recomendado
Industrial Sensor Signal Conditioning
The PIC12LCE519T-04/SN performs basic sensor signal conditioning in industrial modules - filtering, thresholding, and analog-to-digital conversion via the on-chip comparators (CIN+/CIN-) on GP0/GP1. At 4 MHz it can sample and debounce digital inputs at rates suitable for proximity sensors and limit switches. The wide 2.5V-5.5V supply accepts 24V industrial rails stepped down through an external LDO. For industrial-grade temperature tolerance, select the PIC12LCE519-04I/SN variant.
Recomendado
Low-Cost IoT Endpoint (Wired)
For wired IoT endpoints communicating via UART, I2C, or simple GPIO signaling, the PIC12LCE519T-04/SN provides a sub-$1 BOM controller. The SOIC-8 package allows reflow soldering on compact sensor boards, and the OTP memory prevents inadvertent firmware corruption in deployed units. Use GP1 as bit-banged UART TX to a connected host MCU or wired transceiver. Operating from 3.3V is well-matched to common IoT radios; add an external pull-up on MCLR (pin 7) for proper reset behavior.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC12LCE519T-04/SN — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC12CE519-04/SN | PIC12CE519T-04/SN | PIC12LCE519-04/SN | PIC12CE518-04/SN | PIC12LCE519-04I/SN | PIC12F519-I/SN |
|---|---|---|---|---|---|---|---|
| Package | SOIC-8 (SN) | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 1.5 KB OTP | 1.5 KB OTP | 1.5 KB OTP | 1.5 KB OTP | 0.75 KB OTP | 1.5 KB OTP | 1.5 KB Flash |
| RAM | 41 bytes | 41 bytes | 41 bytes | 41 bytes | 25 bytes | 41 bytes | 41 bytes |
| Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Supply Voltage | 2.5 V to 5.5 V | 3.0 V to 5.5 V (CE) | 3.0 V to 5.5 V (CE) | 2.5 V to 5.5 V (LCE) | 3.0 V to 5.5 V (CE) | 2.5 V to 5.5 V (LCE) | 2.0 V to 5.5 V |
| Memory Type | OTP | OTP | OTP | OTP | OTP | OTP | Flash |
| Operating Temperature | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
Principais diferenciais
- Low-voltage LC variant supports 2.5V supply operation (vs PIC12CE519-04/SN)
- Tape-and-reel 'T' suffix for high-volume SMD assembly (vs PIC12LCE519-04/SN)
- Lowest-cost OTP option in the PIC12 8-bit family (vs PIC12F519-I/SN)
Notas de projeto
Estimated: At VDD = 5.5 V max with 4 MHz active clock, the PIC12LCE519T-04/SN draws approximately 2-3 mA active and under 1 uA in SLEEP mode. Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 8) and a 10 uF bulk capacitor on the supply rail. For battery operation, an external MCP1700 LDO holds efficiency above 90 percent at light loads. Do not exceed 5.5 V on VDD even momentarily - the LC variant lacks the absolute-maximum headroom of higher-tier PIC parts.
The SOIC-8 footprint should follow IPC-7351 nominal land pattern with pad width 0.6 mm and pad length 1.5 mm per side. Route GP0 (ICSPDAT) and GP1 (ICSPCLK) traces symmetrically with ground shielding for reliable in-circuit programming. Keep MCLR (pin 7) trace short to minimize noise coupling - add a 10 kOhm pull-up to VDD and a 100 nF capacitor to ground if external reset is required.
Because the PIC12LCE519T-04/SN uses OTP memory, firmware revisions require physical replacement of the MCU - in-circuit reprogramming is not possible. Always program production firmware in the final, validated state. Also note that the OTP variant has no internal oscillator by default in older revisions; if no external crystal or RC network is provided on GP4/GP5 (OSC2/OSC1), verify the device configuration bits match the chosen oscillator mode. Incorrect config bits can leave the device unresponsive after programming.
When using the on-chip comparators (CIN+/CIN-) on GP0/GP1 for analog signal conditioning, keep analog traces short and isolated from digital switching signals. Add a small RC low-pass filter on the comparator input if the source impedance exceeds 10 kOhm to prevent oscillation. The GP2/INT pin can wake the MCU from SLEEP on edge transitions, but ensure debouncing in software for mechanical switch inputs to avoid multiple interrupt triggers.
Informações de conformidade
RoHS and lead-free status not stated in the provided verified web data. As a commercial-temperature PIC12C/12LC family member, AEC-Q100 automotive qualification is not applicable - select PIC12LC519T-04I/SN for industrial temperature range. Conflict-minerals compliance follows Microchip's standard supplier policy.
