PIC16LCE624T-04E/SS - 8-Bit 4MHz OTP MCU 1.75KB | Microchip
N.º de pieza: PIC16LCE624T-04E/SS ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.85 | $3,85 |
| 10 | $3.47 | $34,70 |
| 100 | $3.05 | $305,00 |
| 500 | $2.74 | $1.370,00 |
| 1.000 | $2.45 | $2.450,00 |
PIC16LCE624T-04E/SS Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + data), and peripherals onto one silicon die. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> semiconductors. The PIC16C family in particular uses a RISC (Reduced Instruction Set Computer) architecture with a fixed 14-bit instruction width, distinguishing it from 8-bit CISC architectures such as the 8051. The "L" prefix denotes the low-voltage (2.5V to 5.5V) variant suitable for battery-powered designs, while the "CE" suffix indicates the integrated EEPROM data memory peripheral.
Key features include 13 programmable digital I/O pins, an external oscillator interface, integrated Brown-out Detect and Reset (BOR), Power-On Reset (POR), and Watchdog Timer (WDT) for safety-critical applications. The OTP program memory allows one-time field programming ideal for low-cost production runs, and the 35-instruction RISC set enables deterministic interrupt response within 200ns to 400ns depending on branch type. The industrial-grade -40C to +125C operating temperature range qualifies the device for harsh-environment deployments.
The PIC16LCE624 architecture uses a Harvard memory layout with separate program and data buses, eliminating fetch bottlenecks and enabling single-cycle execution of most instructions. The integrated EEPROM provides 1 million erase/write cycles endurance, suitable for parameter storage in field-deployed nodes. Brown-out detection protects against incorrect execution at marginal supply voltages during power transients.
Typical applications include low-power industrial sensor nodes, consumer appliance control boards, automotive body electronics sub-modules, and replacement designs for legacy PIC16C systems. The 20-SSOP package offers a compact 5.30mm body width suitable for high-density PCB layouts. Designers often pair it with the PICkit programmer for in-circuit serial programming (ICSP) during prototyping.
When designing with this part, ensure the VDD rail stays within 2.5V to 5.5V and respect the 4MHz maximum clock input. Brown-out detection should be enabled via the configuration bits to prevent code execution at sub-threshold voltages. The OTP memory cannot be reprogrammed - use the PIC16F624 (Flash-based) variant for development iteration.
This page synthesizes distributor pricing, parametric data, drop-in alternatives, and practical design notes not found on standard distributor listings, enabling faster engineering decisions for legacy PIC16C replacement designs.
Alternativas directas para PIC16LCE624T-04E/SS — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16LCE624T-04E/SS (mismo factor de forma y huella) — difiere en Instruction Set, Package, Program Memory Size, RAM Size, Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16LCE624-04I/SS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LCE624-04/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.85 / unidad
Ver hoja de datos →PIC16LCE623-04E/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.18 / unidad
Ver hoja de datos →PIC16LCE625-04E/SS
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.63 / unidad
Ver hoja de datos →PIC16F624-I/SS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1827T-I/SS
✅ Sustitución directa✓ En stock
$0.95 / unidad
Ver hoja de datos →PIC16LCE624T-04E/SS Valores máximos y características eléctricas
| Core Architecture | 8-bit RISC (PIC16C family) |
| Program Memory Size | 1.75 KB (1K x 14) OTP |
| RAM Size | 96 x 8 (96 bytes) |
| EEPROM Data Memory | 128 x 8 (128 bytes) |
| Maximum Clock Speed | 4 MHz |
| Instruction Cycle Time | 200 ns (single-cycle) |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Number of I/O Pins | 13 |
| Oscillator Type | External |
| Encapsulado / Carcasa | 20-SSOP |
| Rango de temperatura de funcionamiento | -40 C to +125 C |
| Tipo de montaje | Surface Mount |
| Packaging | Tape & Reel |
| Integrated Peripherals | Brown-out Detect/Reset, POR, WDT |
| Instruction Set | 35 instructions, single-cycle except branches |
| Estado RoHS | Compliant |
Configuración de pines de PIC16LCE624T-04E/SS
| Pin 1 | RA0 — Bidirectional I/O port A bit 0 |
| Pin 2 | RA1 — Bidirectional I/O port A bit 1 |
| Pin 3 | RA2 — Bidirectional I/O port A bit 2 |
| Pin 4 | RA3 — Bidirectional I/O port A bit 3 |
| Pin 5 | RA4/T0CKI — Bidirectional I/O port A bit 4 / Timer0 clock input (open-drain) |
| Pin 6 | RA5 — Bidirectional I/O port A bit 5 |
| Pin 7 | RB0/INT — Bidirectional I/O port B bit 0 / External interrupt input |
| Pin 8 | RB1 — Bidirectional I/O port B bit 1 |
| Pin 9 | RB2 — Bidirectional I/O port B bit 2 |
| Pin 10 | RB3 — Bidirectional I/O port B bit 3 |
| Pin 11 | RB4 — Bidirectional I/O port B bit 4 |
| Pin 12 | RB5 — Bidirectional I/O port B bit 5 |
| Pin 13 | RB6/PGC — Bidirectional I/O port B bit 6 / In-circuit debugger clock |
| Pin 14 | RB7/PGD — Bidirectional I/O port B bit 7 / In-circuit debugger data |
| Pin 15 | VSS — Ground reference |
| Pin 16 | VDD — Positive supply voltage (2.5V to 5.5V) |
| Pin 17 | OSC2/CLKOUT — Oscillator crystal connection / clock output |
| Pin 18 | OSC1/CLKIN — Oscillator crystal connection / external clock input |
| Pin 19 | MCLR/VPP — Master Clear reset input / programming voltage input |
| Pin 20 | NC — Not connected (per datasheet) |
Aplicaciones típicas
PIC16LCE624T-04E/SS es adecuado para 6 aplicacións: Low-Power Industrial Sensor Nodes, Consumer Appliance Control Boards, Automotive Body Electronics Sub-Modules, Legacy PIC16C System Replacement, Battery-Powered Remote Control Units, Smart Meter and Energy Monitoring.
Low-Power Industrial Sensor Nodes
The PIC16LCE624T-04E/SS's 2.5V to 5.5V operating range and Extended -40C to +125C temperature grade suit industrial sensor nodes requiring low quiescent current. Its 13 programmable I/O pins interface directly to digital sensors, while the integrated EEPROM stores calibration coefficients and node identifiers. The 4MHz clock delivers 200ns instruction cycles, fast enough for sub-millisecond sensor polling in Modbus RTU slave implementations. Pair with an RS-485 transceiver and 4-20mA loop interface for field-deployed process instrumentation.
Recomendado
Consumer Appliance Control Boards
The PIC16LCE624T-04E/SS is commonly deployed in white goods control boards (washing machines, dishwashers, microwave ovens) where 1.75KB OTP memory holds the appliance state machine. Its 13 I/O pins drive relay coils, read user buttons, and interface to LED or 7-segment displays. The integrated Watchdog Timer and Brown-out Reset prevent code lockups in electrically noisy motor drive environments. The 20-SSOP package fits compact appliance control PCBs and the Extended temperature grade tolerates elevated ambient temperatures near motors.
Recomendado
Automotive Body Electronics Sub-Modules
The PIC16LCE624T-04E/SS Extended temperature grade and OTP memory make it suitable for non-safety automotive body modules like interior lighting controllers, seat position memory, and HVAC damper actuators. Its 2.5V to 5.5V range tolerates 12V battery cranking transients when paired with a 5V regulator. The 13 I/O pins interface to LIN bus transceivers, H-bridge drivers, and switch panels. Note: this part is not AEC-Q100 qualified; for certified automotive designs, use PIC16F15344T-I/SS or PIC16F1827T-I/SS instead.
Recomendado
Legacy PIC16C System Replacement
The PIC16LCE624T-04E/SS provides modern low-voltage compatibility for legacy designs that originally specified the 3.0V to 6.0V PIC16C624. Its 1.75KB OTP memory and 96-byte RAM match the original PIC16C624 resource profile, allowing firmware recompilation without code restructuring. The 20-SSOP package is pin-compatible with older PIC16C624 SOIC designs when using the SSOP adapter footprint. The 4MHz clock preserves the original instruction timing for systems with cycle-accurate timing loops.
Recomendado
Battery-Powered Remote Control Units
The PIC16LCE624T-04E/SS's 2.5V minimum supply voltage extends battery life in 3V lithium-cell-powered remote controls for garage doors, gate openers, and industrial key fobs. The 4MHz oscillator supports encrypted rolling-code protocols with deterministic 200ns instruction timing. The 13 I/O pins drive RF transmitter modules, read button matrices, and interface to piezo buzzers. Brown-out Reset protects against code corruption when the battery voltage sags below threshold during transmit bursts.
Recomendado
Smart Meter and Energy Monitoring
The PIC16LCE624T-04E/SS fits compact energy metering sub-modules where 1.75KB OTP memory stores calibration data, communication stacks, and tamper-detection routines. Its 96-byte RAM accommodates Modbus or DLMS/COSEM protocol buffers for residential smart meter communication. The Extended -40C to +125C temperature range tolerates outdoor meter enclosure thermal cycling. Brown-out detection protects metrology accuracy during grid power disturbances, and the Watchdog Timer recovers from firmware hangs in unattended deployments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LCE624T-04E/SS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16LCE624-04I/SS | PIC16LCE624-04/SS | PIC16LCE623-04E/SS | PIC16F624-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Program Memory | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 0.875 KB OTP | 1.75 KB Flash |
| Maximum Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.0 V to 5.5 V |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C |
| Memory Type | OTP (one-time programmable) | OTP | OTP | OTP | Flash (reprogrammable) |
| Packaging Format | Tape & Reel | Tube | Tube | Tube/Tape & Reel | Tube/Tape & Reel |
Diferenciadores clave
- Extended temperature grade -40C to +125C in Tape & Reel packaging (frente a PIC16LCE624-04I/SS)
- Lower-voltage operation threshold at 2.5V (vs 3.0V standard PIC16C) (frente a PIC16C624)
- Integrated EEPROM data memory vs external EEPROM requirement (frente a PIC16F84A)
Notas de diseño
The PIC16LCE624T-04E/SS operates from 2.5V to 5.5V with Brown-out Reset (BOR) configurable via CONFIG bits. Place a 100nF decoupling capacitor as close as possible to the VDD pin (pin 16) and a 10uF bulk capacitor on the supply rail. For battery-powered designs, enable BOR at the lowest threshold (~2.5V) to prevent code corruption when the battery sags during transmit bursts. The integrated Power-On Reset (POR) holds the device in reset until VDD reaches a stable threshold, eliminating the need for an external reset IC in most applications.
OTP memory cannot be erased or rewritten - any firmware bug requires a new chip. For development, use the PIC16F624-I/SS Flash variant with the PICkit 3 programmer to iterate, then transition to the PIC16LCE624T-04E/SS for production. The MCLR pin (pin 19) must be pulled high through a 10k resistor; leaving it floating causes random resets. The RA4 pin (pin 5) is open-drain and requires an external pull-up resistor when used as a digital output.
Keep the crystal or external clock traces to pins 17 and 18 short (under 10mm) and surround them with a ground guard ring to minimize EMI pickup. Place decoupling capacitors within 3mm of the VDD pin with direct vias to the ground plane. The ICSP pins RB6/PGC (pin 13) and RB7/PGD (pin 14) should be accessible for in-circuit programming without removing components from the PCB. Avoid routing high-frequency signals (above 50MHz) near the oscillator pins to prevent clock jitter.
At 4MHz clock and 5.5V supply, the PIC16LCE624T-04E/SS draws approximately 2mA active current and 1uA sleep current. Estimated: junction-to-ambient thermal resistance (theta_JA) for the 20-SSOP package is approximately 90 C/W on a 1oz copper 4-layer board. At maximum 2mA active dissipation, the junction temperature rise is negligible (less than 1C above ambient). The Extended -40C to +125C operating range is suitable for outdoor industrial enclosures without additional thermal management.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - migrate to PIC16F15344T-I/SS or PIC16F1827T-I/SS for AEC-Q100 automotive designs.
