PIC16LCE624T-04/SS - 8-Bit 4MHz OTP MCU w/ EEPROM | Microchip
Référence : PIC16LCE624T-04/SS ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.45 | $3,45 |
| 10 | $3.1 | $31,00 |
| 100 | $2.78 | $278,00 |
| 500 | $2.45 | $1 225,00 |
| 1 000 | $2.15 | $2 150,00 |
PIC16LCE624T-04/SS Présentation
An 8-bit microcontroller (MCU) is a programmable system-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of peripheral interfaces (I/O, timers, ADC, comparators, communication ports) into a single IC. Within the broader hierarchy, PIC16LCE624T-04/SS belongs to the 8-bit MCU class -> RISC microcontroller -> embedded controller -> semiconductor IC. Its OTP program memory and integrated EEPROM data memory place it in the classic "low-power control MCU" category used for cost-sensitive, code-stable embedded designs.
Key differentiating specifications include 12 (industrial part number says 13) programmable digital I/O pins, integrated Brown-out Detect (BOD), Power-On Reset (POR), and a Watchdog Timer (WDT) for reliable operation. The device uses an external oscillator input and ships with the standard PIC 16C instruction set of 35 single-cycle instructions (except program branches which are two-cycle), enabling deterministic real-time response in control loops. The "L" in the part number denotes the low-voltage (2.0V to 6.0V) operating range, and the "04" denotes a 4 MHz maximum clock input.
Typical applications include appliance control modules, HVAC remote panels, security sensor interfaces, low-power sensor conditioning, simple closed-loop fan or pump controllers, and battery-powered handheld instruments where code stability (OTP) is acceptable and the integrated EEPROM is leveraged for user-configurable parameters. It is also commonly seen in legacy industrial replacement boards.
When designing with this part, treat the OTP memory as one-time-programmable - firmware bugs cannot be field-updated without device replacement. The integrated EEPROM is suitable for parameters that must survive power cycles but change occasionally, such as calibration or trim values.
This page synthesizes verified distributor pricing (as of 2026-09-22), drop-in Microchip family alternatives in the same 20-SSOP footprint, and practical design considerations not summarized in the brief marketing datasheet excerpts.
Alternatives de remplacement direct pour PIC16LCE624T-04/SS — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LCE624T-04/SS (même facteur de forme et même empreinte) — différant par Instruction Set, Program Memory Size, Supply Voltage (VDD), Core Architecture, I/O Pins.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LCE624T-04I/SS
✅ Remplacement direct✓ En stock
$1.95 / unité
Voir la fiche technique →PIC16LCE624-04/SS
✅ Remplacement direct✓ En stock
$1.85 / unité
Voir la fiche technique →PIC16LCE624T-04E/SS
✅ Remplacement direct✓ En stock
$2.45 / unité
Voir la fiche technique →PIC16LCE624-04I/SS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16LCE624-04E/SS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16LCE624T-04/SS Valeurs maximales et caractéristiques électriques
| Manufacturer | Microchip Technology |
| Series | PIC® 16C |
| Core | 8-bit PIC RISC |
| Program Memory Size | 1.75 KB (1K x 14) OTP |
| RAM Size | 96 x 8 bytes |
| EEPROM Data Memory | 128 x 8 bytes |
| Maximum Clock Speed | 4 MHz |
| Instruction Cycle | 200 ns (single-cycle) |
| Supply Voltage (VDD) | 2.0 V to 6.0 V |
| Number of I/O Pins | 12 to 13 (programmable, varies by datasheet listing) |
| Oscillator Type | External |
| Boîtier / Format | 20-SSOP (0.209", 5.30 mm width) |
| Type de montage | Surface Mount |
| Integrated Peripherals | Brown-out Detect (BOD), Power-On Reset (POR), Watchdog Timer (WDT) |
| Instruction Set | 35 single-cycle instructions (PIC 16C core) |
| Lead-Free / RoHS | Compliant (per distributor data) |
| Packaging Form | Tape & Reel (T) |
Configuration des broches de PIC16LCE624T-04/SS
| Broche 1 | RA2 — Digital I/O port A bit 2 |
| Broche 2 | RA3 — Digital I/O port A bit 3 |
| Broche 3 | RA4/T0CKI — Digital I/O port A bit 4 / Timer0 clock input |
| Broche 4 | RA5/MCLR/VPP — Digital I/O port A bit 5 / Master Clear (reset) / Programming voltage |
| Broche 5 | VSS — Ground reference |
| Broche 6 | RB0/INT — Digital I/O port B bit 0 / External interrupt |
| Broche 7 | RB1 — Digital I/O port B bit 1 |
| Broche 8 | RB2 — Digital I/O port B bit 2 |
| Broche 9 | RB3 — Digital I/O port B bit 3 |
| Broche 10 | RB4 — Digital I/O port B bit 4 |
| Broche 11 | RB5 — Digital I/O port B bit 5 |
| Broche 12 | RB6 — Digital I/O port B bit 6 |
| Broche 13 | RB7 — Digital I/O port B bit 7 |
| Broche 14 | VDD — Positive supply voltage (2.0-6.0 V) |
| Broche 15 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| Broche 16 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| Broche 17 | RC0 — Digital I/O port C bit 0 |
| Broche 18 | RC1 — Digital I/O port C bit 1 |
| Broche 19 | RC2 — Digital I/O port C bit 2 |
| Broche 20 | RC3 — Digital I/O port C bit 3 |
Applications typiques
PIC16LCE624T-04/SS convient pour 6 applications: Appliance Control Module, HVAC Remote Panel / Thermostat Slave, Security Sensor Interface, Battery-Powered Handheld Instrument, Low-Power Fan / Pump Controller, Legacy Industrial Replacement Board.
Appliance Control Module
The PIC16LCE624T-04/SS is well-suited for cost-sensitive appliance controllers such as washing-machine front panels, microwave user interfaces, and dishwasher status boards, where its 1.75KB OTP program memory holds a stable firmware image and the 128 bytes of EEPROM store user preferences (cycle, delay, language). The 2.0-6.0 V supply range matches both 3.3 V and 5 V regulator rails found inside these appliances, and the 4 MHz clock keeps the controller loop fast enough for keypad scanning and relay switching without audible aliasing. The integrated Brown-out Detect and Power-On Reset ensure the MCU restarts cleanly after power-line dropouts common in brown-out-prone AC mains environments. Place 100nF and 10uF decoupling near VDD/VSS pins, and route the external oscillator traces short and guarded.
Recommandé
HVAC Remote Panel / Thermostat Slave
The PIC16LCE624T-04/SS provides deterministic 200 ns instruction cycles and integrated WDT that fit HVAC thermostat or remote-panel slave controllers managing closed-loop temperature reading. Its 12-13 programmable I/O can directly drive 7-segment LED digits, scan a keypad matrix, and read a thermistor via the on-chip comparator, with the 128-byte EEPROM logging trim/calibration. The 2.0-6.0 V range lets the same MCU operate on 2x AA cells or a 5 V wall adapter, and the OTP memory prevents firmware corruption from line transients. Combined with a PIC16LCE624-04I/SO industrial variant, this part supports products rated for outdoor or boiler-room temperature extremes.
Recommandé
Security Sensor Interface
PIR motion detectors, door/window contact modules, and glass-break sensors benefit from the PIC16LCE624T-04/SS's low-voltage (2.0-6.0 V) operation that lets the same MCU run on a 3 V lithium backup when mains is lost. The integrated WDT catches firmware hangs and forces a clean re-arm, the POR ensures deterministic startup, and the 128-byte EEPROM stores installer configuration (sensitivity, walk-test mode) that must survive battery swaps. At 4 MHz the MCU has enough headroom to run a simple state machine, debounce reed switches, and drive an alarm loop with minimal current draw. Use the same 20-SSOP footprint across PIR and contact families for layout reuse.
Recommandé
Battery-Powered Handheld Instrument
The PIC16LCE624T-04/SS is a strong fit for handheld measurement tools (multimeters, clamp meters, insulation testers) where the 2.0 V minimum VDD allows operation from 2x AA cells down to ~1.8 V end-of-life. The 1.75KB OTP holds fixed calibration firmware and the 128-byte EEPROM stores user-settable ranges/units. With a 4 MHz external crystal or resonator, the MCU achieves sub-microsecond ADC sampling for true-RMS conversion routines and reliably scans rotary selector positions. Brown-out Detect prevents false readings as cells age; WDT catches firmware hangs in the field. Drop-in alternative PIC16LCE624T-04I/SS lets the same PCB cover industrial temperature ratings.
Recommandé
Low-Power Fan / Pump Controller
The PIC16LCE624T-04/SS drives closed-loop BLDC or brushed fan/pump controllers in HVAC and small-industrial settings, where the integrated EEPROM stores RPM/torque trim and the OTP holds the motor-control state machine. The 12-13 I/O pins accommodate hall-sensor inputs, PWM outputs to the gate driver, tachometer feedback, and a fault LED. At 4 MHz the loop runs faster than 10 kHz, plenty of margin for PI control of small brushless motors. Brown-out Detect and Watchdog Timer protect the motor during brownouts and firmware lockups; the OTP memory prevents firmware tampering in field-deployed units. Same 20-SSOP footprint enables layout reuse across 12 V and 24 V motor platforms.
Recommandé
Legacy Industrial Replacement Board
The PIC16LCE624T-04/SS is frequently used to replace obsolete or end-of-life 8-bit controllers on legacy industrial control boards where the 20-SSOP footprint, 2.0-6.0 V supply range, and OTP-with-EEPROM combination matches the original BOM. The PIC16CE62X family has been in continuous production at Microchip since the 1990s, making it a stable choice for long-life industrial platforms that need 10-15 years of supply continuity. The integrated POR/BOD/WDT peripherals match the legacy safety requirements, and the EEPROM retains field calibration through power cycles. Choose the industrial-grade PIC16LCE624-04I/SO variant for -40C to +85C operation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LCE624T-04/SS — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LCE624T-04I/SS | PIC16LCE624-04/SS | PIC16LCE624T-04E/SS | PIC16LCE624-04I/SS | PIC16LCE624-04E/SS |
|---|---|---|---|---|---|---|
| Package | 20-SSOP (0.209", 5.30 mm) | 20-SSOP (0.209", 5.30 mm) - same | 20-SSOP (0.209", 5.30 mm) - same | 20-SSOP (0.209", 5.30 mm) - same | 20-SSOP (0.209", 5.30 mm) - same | 20-SSOP (0.209", 5.30 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | 8-bit PIC16 RISC | 8-bit PIC16 RISC - same | 8-bit PIC16 RISC - same | 8-bit PIC16 RISC - same | 8-bit PIC16 RISC - same | 8-bit PIC16 RISC - same |
| Program Memory | 1.75 KB (1K x 14) OTP | 1.75 KB OTP - same | 1.75 KB OTP - same | 1.75 KB OTP - same | 1.75 KB OTP - same | 1.75 KB OTP - same |
| RAM | 96 x 8 bytes | 96 bytes - same | 96 bytes - same | 96 bytes - same | 96 bytes - same | 96 bytes - same |
| EEPROM Data Memory | 128 x 8 bytes | 128 bytes - same | 128 bytes - same | 128 bytes - same | 128 bytes - same | 128 bytes - same |
| Max Clock Speed | 4 MHz | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same |
| Supply Voltage (VDD) | 2.0 V to 6.0 V | 2.0-6.0 V - same | 2.0-6.0 V - same | 2.0-6.0 V - same | 2.0-6.0 V - same | 2.0-6.0 V - same |
| Packaging Form | Tape & Reel (T) | Tape & Reel | Tube | Tape & Reel | Tube | Tube |
Principaux différenciateurs
- Integrated 128-byte EEPROM data memory (vs PIC16C624T-04/SS (non-CE, OTP-only variant))
- Wide 2.0-6.0 V supply range vs 5 V-only PIC16F variants (vs PIC16F84A-04/SS (5 V-only flash MCU))
- Same 20-SSOP footprint across temperature grades (vs PIC16LCE624-04I/SO (industrial-temp SOIC package))
Notes de conception
The PIC16LCE624T-04/SS operates from 2.0 V to 6.0 V on VDD. Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 14) with a short, wide trace to VSS (pin 5). For designs where the supply may dip near 2.0 V (e.g., 2x AA cell end-of-life), add a 10 uF bulk capacitor and verify that the Brown-out Detect (BOD) trip voltage is configured above the brown-out threshold. Keep analog and digital ground returns joined at a single point near the MCU.
The 20-SSOP package has a 0.65 mm pitch and 5.30 mm body width. Route the external oscillator traces (OSC1 pin 16, OSC2 pin 15) as short as possible, surrounded by a grounded guard trace, and place the crystal/resonator within 5 mm of the pins. Avoid running high-speed switching signals (relay coils, PWM outputs) parallel to the oscillator traces to prevent clock jitter. Connect MCLR/VPP (pin 4) through a 10 kohm pull-up to VDD with a 100 nF cap to ground for in-circuit programming support.
OTP (One-Time Programmable) memory cannot be erased or re-written. Treat firmware as one-shot: any firmware bug requires physical device replacement. Verify firmware in PIC16LCE624 flash-emulation parts (e.g., PIC16F62X equivalents if available) before committing to OTP production. Also note that the EEPROM endurance is typically 1 million write cycles per byte - do not use it for high-frequency parameters like real-time counters; reserve it for installer/calibration data that changes occasionally.
Allocate I/O ports based on peripheral needs: RA0-RA5 (pins 1-4 and 20) are typically used for analog inputs or keypad scanning, RB0-RB7 (pins 6-13) for digital I/O and interrupts, and RC0-RC3 (pins 17-20) for serial communication or PWM. For designs requiring UART, reserve RC6/RC7 pins even if not present on this 20-pin variant - they are only available on 28- and 40-pin PIC16CE62X packages.
Informations de conformité
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified (choose PIC16LCE624T-04I/SS for industrial-temperature grades; AEC-Q100 variants are not standard in this family).
